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IQ4H480HTV06NRF-G [SYNQOR]

DC-DC Regulated Power Supply Module, 1 Output, 300W, Hybrid, ROHS COMPLIANT, HALF BRICK PACKAGE-9;
IQ4H480HTV06NRF-G
型号： IQ4H480HTV06NRF-G
厂家： SYNQOR WORLDWIDE HEADQUARTERS    SYNQOR WORLDWIDE HEADQUARTERS
描述：

DC-DC Regulated Power Supply Module, 1 Output, 300W, Hybrid, ROHS COMPLIANT, HALF BRICK PACKAGE-9
文件： 总16页 (文件大小：1778K)
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Technical  
Specification  
IQ4HxxxHTXxx  
180-425V  
475V  
2.5-48V 300W  
4250V
f-brick  
DC-C Converter  
Continuous Input Transient Input  
Outputs  
Max Power Reinforced Insula
The InQor half-brick converter series is composed  
of next-generation, board-mountable, isolated  
(REINFORCED INSULATION), fixed switching  
frequency dc-dc converters that use synchronous  
rectification to achieve extremely high power  
conversion efficiency. Each module is supplied  
completely encased to provide protection from the  
harsh environments seen in many industrial and  
transportation applications.  
G
-
S
R
N
A
0
0
5
5
@
T
C
T
VOU  
H
0
0
.
5
5
0
VIN  
H
5
4
2
4
Q
-
I
0
8
1
Operational Features  
• High efficiency, 84%-88% at full rated load current  
• Delivers full power with minimal derating - no heatsink re
• Operating input voltage range: 180-425V  
• Fixed frequency switching provides predictaEMI  
• No minimum load requirement  
otecton s  
Mechanical Features  
• Input under-voltge lockout  
Output currnt limit and short circuit protection  
ve back ias limit  
• over-voltage protection  
• Thermal shutdown  
• Industry standard half-brick pfiguration  
• Size: 2.486" x 2.381 x 60.
• Total height: 0.512” )  
• Total weight: 4.9oz (13
ptional Features(Full-Feature modules)  
• Active current share for N+1 and parallel applications  
• External Clock Synchronization pin for better EMI characteristics  
• Startup Synchronization pin for more consistent startup sequence  
Control
• On/Off controreferenceto input sid
• Remote sense fr the output voltge coms for o
distribution drops  
• Output voltage trim range o-20%, +10%  
CONTENTS  
Page No.  
Family Electrical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Electrical Characteristics (5.0 Vout). . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Electrical Characteristics (12 Vout) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Electrical Characteristics (15 Vout) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Electrical Characteristics (24 Vout) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Electrical Characteristics (28 Vout) . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Electrical Characteristics (48 Vout) . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12  
Standards and Qualifications (all output voltages) . . . . . . . . . . . . . . . .13  
Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14  
Mechanical Drawing Flanged Option . . . . . . . . . . . . . . . . . . . . . . . . . .15  
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16  
Safety Fe
• Pending  
• Isolation VoltaVdc Reinforced Insulation  
• UL 60950-1 2nd E
• CAN/CSA-C22.2 No. 6007  
• EN60950-1 Ed 2.0  
• CE Marked  
• IEC 61000-4-2  
• RoHS compliant (see last page)  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 1  
Technical  
Specification  
IQ4HxxxHTXxx  
IQ4H-HT Family Electrical Characteristics  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
ABSOLUTE MAXIMUM RATINGS  
Min.  
Typ.  
Max. Units tes & Conditio
Input Voltage  
Non-Operating  
Operating  
Operating Transient Protection  
Isolation Voltage  
600  
425  
475  
V
V
Cont
Continu
100 ms trant, square wave  
Input to Output  
Input to Base-Plate  
Output to Base-Plate  
Operating Temperature  
Storage Temperature  
Voltage at ON/OFF input pin  
INPUT CHARACTERISTICS  
Operating Input Voltage Range  
Input Under-Voltage Lockout  
Turn-On Voltage Threshold  
Turn-Off Voltage Threshold  
Lockout Voltage Hysteresis  
Input Over-Voltage Shutdown  
Recommended External Input Capacit
Input Filter Component Values (L\C
DYNAMIC CHARACTERISTICS  
Turn-On Transient  
4250  
2125  
2125  
100  
c  
°C  
°C  
V
Reinfoced Insulatio
Basic nsulation  
ic Insulati
-40  
-55  
-2  
Baseplate ture  
385  
425  
V
47ient for 100 mee Note 1  
171.0  
15
10.
500  
10  
177.0  
165  
V
V
µF  
R 0.1-0.2 Ω  
28\0.408  
µH\µInterl values; see Figure E  
Turn-On Time  
Start-Up Inhibit Tim
Output Voltage O
ISOLATION CHARACTS  
Isolation Voltage (dielectric
Isolation Rce  
5  
m
m
%
Full load, Vout=90% nom.  
-40 °C to +85 °C; Figure F  
Maximum Output Capacitance  
180  
00  
V
MΩ  
pF  
See Absolute Maximum Ratings  
See Note 2  
100  
N/A  
Isolation Canput to out
TEMPERATURE R POWER DERCURVE
SemiconductoJunctiature  
Board Temperatre  
Transformer Temprature  
Maximum Baseplate mperature,
FEATURE CHARACTERISTICS  
125  
125  
125  
100  
°C  
°C  
°C  
°C  
Package rated to 150 °C  
UL rated max operating temp 130 °C  
Switching Frequency  
ON/OFF Control  
Off-State Voltage  
On-State Voltag
0  
550  
590  
kHz  
V
Isolation stage switching freq. is half this  
2.4  
-1  
18  
0.8  
ON/OFF Contro
Pull-Up Vo
Pull-Up Resist
Over-Temperature Sn OTP Trip Point  
Over-Temperature Shutestart Hysteresis  
RELIABILITY CHARACTSTICS  
Calculated MTBF (Telcordia) TR-NWT-000332  
Calculated MTBF (MIL-217) MIL-HDBK-217F  
Field Demonstrated MTBF  
Application notes Figures A & B  
Average PCB Temperature  
5
V
68.1  
125  
10  
kΩ  
°C  
°C  
6
6
6
TBD  
TBD  
10 Hrs. 80% load, 200LFM, 40 °C Ta  
10 Hrs. 80% load, 200LFM, 40 °C Ta  
10 Hrs. See our website for details  
Note 1: Input Voltage Transient dv/dt=1 V/ us  
Note 2: Isolation capacitance can be added external to the module.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 2  
Input:180-425V  
Output:5.0V  
Current:50A  
Part No.:IQ4H050HTx50  
Technical Specification  
IQ4H050HTx50 Electrical Characteristics (5.0 Vout)  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
Min.  
Typ.  
Max. Units tes & Conditio
INPUT CHARACTERISTICS  
Maximum Input Current  
No-Load Input Current  
2.4  
TBD  
TBD  
A
mA  
V
mA  
Vim up; in rent limit  
55  
5
TBD  
TBD  
Disabled Input Current  
Response to Input Transient  
Input Terminal Ripple Current  
Recommended Input Fuse  
OUTPUT CHARACTERISTICS  
Output Voltage Set Point  
Output Voltage Regulation  
Over Line  
Over Load  
Over Temperature  
Total Output Voltage Range  
Output Voltage Ripple and Noise  
Peak-to-Peak  
See Figure
RMS  
Fast ating external e recomd  
TBD  
5.05  
4.95  
5
±0.05  
75  
%
%
mV  
V
75  
4
5.125  
Ovle, line, load, perature & life  
20 MHwidth; see Note 1  
Full load  
Full load  
ubject to theral derating  
t voltage 10% Low  
TBD  
TBD  
TBD  
50  
mV  
RMS  
Operating Output Current Range  
Output DC Current-Limit Inception  
Output DC Current-Limit Shutdown Vo
Back-Drive Current Limit while Enab
Back-Drive Current Limit while Disabled  
Maximum Output Capacitance  
Output Voltage during Load Cusient  
Step Change in Outpurrent )  
Settling Time  
Output Voltage Trim Ran
Output Voltage Remote Sen
Output Ovge Protection  
EFFICIEN
0
TBD  
60.0  
3
TBD  
TBD  
TBD  
A
A
mA  
µF  
Negae current drawn from output  
Negative current drawn from output  
out nominal at full load (resistive load)  
,000  
m
µs  
%
%
V
50% to 75% to 50% Iout max  
To within 1% Vout nom  
Across Pins 8&4; Common Figures 3-5; see Note 2  
Across Pins 8&4  
-0  
10  
0  
.4  
6.1  
Over full temp range  
100% Load  
50% Load  
5  
%
%
See Figure 1 for efficiency curve  
See Figure 1 for efficiency curve  
Note 1: Output iterminatewith 1 µF and -ESR ttalum capacitors. For applications requiring reduced output voltage ripple and  
noise, consult Synor applications support suppoqor.com)  
Note 2: Trim-up ranis limited be10% at and foad.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 3  
Input:180-425V  
Output:12.0V  
Current:25A  
Part No.:IQ4H120HTx25  
Technical Specification  
IQ4H120HTx25 Electrical Characteristics (12 Vout)  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
Min.  
Typ.  
Max. Units tes & Conditio
INPUT CHARACTERISTICS  
Maximum Input Current  
No-Load Input Current  
2.2  
TBD  
TBD  
A
mA  
V
mA  
Vim up; in rent limit  
50  
5.1  
TBD  
TBD  
Disabled Input Current  
Response to Input Transient  
Input Terminal Ripple Current  
Recommended Input Fuse  
OUTPUT CHARACTERISTICS  
Output Voltage Set Point  
Output Voltage Regulation  
Over Line  
Over Load  
Over Temperature  
Total Output Voltage Range  
Output Voltage Ripple and Noise  
Peak-to-Peak  
See Figure
RMS  
Fast ating external e recomd  
5
11.88  
12  
1212  
±0.1  
180  
%
%
mV  
V
-180  
1
12.300  
Ovle, line, load, perature & life  
20 MHwidth; see Note 1  
Full load  
Full load  
ubject to theral derating  
t voltage 10% Low  
0
TBD  
TBD  
25  
mV  
RMS  
Operating Output Current Range  
Output DC Current-Limit Inception  
Output DC Current-Limit Shutdown Vo
Back-Drive Current Limit while Enab
Back-Drive Current Limit while Disabled  
Maximum Output Capacitance  
Output Voltage during Load Cusient  
Step Change in Outpurrent )  
Settling Time  
Output Voltage Trim Ran
Output Voltage Remote Sen
Output Ovge Protection  
EFFICIEN
0
TBD  
31.0  
7.2  
5
TBD  
A
A
mA  
µF  
Negae current drawn from output  
Negative current drawn from output  
out nominal at full load (resistive load)  
3
,000  
m
µs  
%
%
V
50% to 75% to 50% Iout max  
To within 1% Vout nom  
Across Pins 8&4; Common Figures 3-5; see Note 2  
Across Pins 8&4  
-0  
10  
0  
BD  
14.4  
Over full temp range  
100% Load  
50% Load  
5  
%
%
See Figure 1 for efficiency curve  
See Figure 1 for efficiency curve  
Note 1: Output iterminatewith 1 µF and -ESR ttalum capacitors. For applications requiring reduced output voltage ripple and  
noise, consult Synor applications support suppoqor.com)  
Note 2: Trim-up rane is limited be10% at and foad.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 4  
Input:180-425V  
Output:15.0V  
Current:20A  
Part No.:IQ4H150HTx20  
Technical Specification  
IQ4H150HTx20 Electrical Characteristics (15 Vout)  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
Min.  
Typ.  
Max. Units tes & Conditio
INPUT CHARACTERISTICS  
Maximum Input Current  
No-Load Input Current  
2.7  
TBD  
TBD  
A
mA  
V
mA  
Vim up; in rent limit  
55  
5
TBD  
TBD  
Disabled Input Current  
Response to Input Transient  
Input Terminal Ripple Current  
Recommended Input Fuse  
OUTPUT CHARACTERISTICS  
Output Voltage Set Point  
Output Voltage Regulation  
Over Line  
Over Load  
Over Temperature  
Total Output Voltage Range  
Output Voltage Ripple and Noise  
Peak-to-Peak  
See Figure
RMS  
Fast ating external e recomd  
5
14.85  
15  
1515  
±0.1  
225  
%
%
mV  
V
-225  
1
15.375  
Ovle, line, load, perature & life  
20 MHwidth; see Note 1  
Full load  
Full load  
ubject to theral derating  
t voltage 10% Low  
0
TBD  
TBD  
20  
mV  
RMS  
Operating Output Current Range  
Output DC Current-Limit Inception  
Output DC Current-Limit Shutdown Vo
Back-Drive Current Limit while Enab
Back-Drive Current Limit while Disabled  
Maximum Output Capacitance  
Output Voltage during Load Cusient  
Step Change in Outpurrent )  
Settling Time  
Output Voltage Trim Ran
Output Voltage Remote Sen
Output Ovge Protection  
EFFICIEN
0
TBD  
24.0  
9
TBD  
TBD  
TBD  
A
A
mA  
µF  
Negae current drawn from output  
Negative current drawn from output  
out nominal at full load (resistive load)  
,000  
m
µs  
%
%
V
50% to 75% to 50% Iout max  
To within 1% Vout nom  
Across Pins 8&4; Common Figures 3-5; see Note 2  
Across Pins 8&4  
-0  
10  
0  
BD  
18.3  
Over full temp range  
100% Load  
50% Load  
4  
%
%
See Figure 1 for efficiency curve  
See Figure 1 for efficiency curve  
Note 1: Output iterminatewith 1 µF and -ESR ttalum capacitors. For applications requiring reduced output voltage ripple and  
noise, consult Synor applications support suppoqor.com)  
Note 2: Trim-up ranis limited be10% at and foad.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 5  
Input:180-425V  
Output:24.0V  
Current:12.5A  
Part No.:IQ4H240HTx13  
Technical Specification  
IQ4H240HTx12 Electrical Characteristics (24 Vout)  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
Min.  
Typ.  
Max. Units tes & Conditio
INPUT CHARACTERISTICS  
Maximum Input Current  
No-Load Input Current  
2.7  
TBD  
TBD  
A
mA  
V
mA  
Vim up; in rent limit  
55  
5
TBD  
TBD  
Disabled Input Current  
Response to Input Transient  
Input Terminal Ripple Current  
Recommended Input Fuse  
OUTPUT CHARACTERISTICS  
Output Voltage Set Point  
Output Voltage Regulation  
Over Line  
Over Load  
Over Temperature  
Total Output Voltage Range  
Output Voltage Ripple and Noise  
Peak-to-Peak  
See Figure
RMS  
Fast ating external e recomd  
5
23.76  
24  
2424  
±0.1  
360  
%
%
mV  
V
-360  
2
24.600  
Ovle, line, load, perature & life  
20 MHwidth; see Note 1  
Full load  
Full load  
ubject to theral derating  
t voltage 10% Low  
0
TBD  
TBD  
12.5  
TBD  
mV  
RMS  
Operating Output Current Range  
Output DC Current-Limit Inception  
Output DC Current-Limit Shutdown Vo
Back-Drive Current Limit while Enab
Back-Drive Current Limit while Disabled  
Maximum Output Capacitance  
Output Voltage during Load Cusient  
Step Change in Outpurrent )  
Settling Time  
Output Voltage Trim Ran
Output Voltage Remote Sen
Output Ovge Protection  
EFFICIEN
0
TBD  
15.3  
14.4  
TBD  
TBD  
A
A
mA  
µF  
Negae current drawn from output  
Negative current drawn from output  
out nominal at full load (resistive load)  
TBD  
m
µs  
%
%
V
50% to 75% to 50% Iout max  
To within 1% Vout nom  
Across Pins 8&4; Common Figures 3-5; see Note 2  
Across Pins 8&4  
-0  
10  
0  
BD  
29.3  
Over full temp range  
100% Load  
50% Load  
BD  
%
%
See Figure 1 for efficiency curve  
See Figure 1 for efficiency curve  
Note 1: Output iterminatewith 1 µF and -ESR ttalum capacitors. For applications requiring reduced output voltage ripple and  
noise, consult Synor applications support suppoqor.com)  
Note 2: Trim-up rane is limited be10% at and foad.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 6  
Input:180-425V  
Output:28.0V  
Current:10.7A  
Part No.:IQ4H280HTx11  
Technical Specification  
IQ4H280HTx11 Electrical Characteristics (28 Vout)  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
Min.  
Typ.  
Max. Units tes & Conditio
INPUT CHARACTERISTICS  
Maximum Input Current  
No-Load Input Current  
2.7  
TBD  
TBD  
A
mA  
V
mA  
Vim up; in rent limit  
55  
5
TBD  
TBD  
Disabled Input Current  
Response to Input Transient  
Input Terminal Ripple Current  
Recommended Input Fuse  
OUTPUT CHARACTERISTICS  
Output Voltage Set Point  
Output Voltage Regulation  
Over Line  
Over Load  
Over Temperature  
Total Output Voltage Range  
Output Voltage Ripple and Noise  
Peak-to-Peak  
See Figure
RMS  
Fast ating external e recomd  
5
27.72  
28  
2828  
±0.1  
420  
%
%
mV  
V
-420  
2
28.700  
Ovle, line, load, perature & life  
20 MHwidth; see Note 1  
Full load  
Full load  
ubject to theral derating  
t voltage 10% Low  
0
TBD  
TBD  
10.7  
TBD  
mV  
RMS  
Operating Output Current Range  
Output DC Current-Limit Inception  
Output DC Current-Limit Shutdown Vo
Back-Drive Current Limit while Enab
Back-Drive Current Limit while Disabled  
Maximum Output Capacitance  
Output Voltage during Load Cusient  
Step Change in Outpurrent )  
Settling Time  
Output Voltage Trim Ran
Output Voltage Remote Sen
Output Ovge Protection  
EFFICIEN
0
TBD  
13.3  
16.8  
TBD  
TBD  
A
A
mA  
µF  
Negae current drawn from output  
Negative current drawn from output  
out nominal at full load (resistive load)  
,000  
m
µs  
%
%
V
50% to 75% to 50% Iout max  
To within 1% Vout nom  
Across Pins 8&4; Common Figures 3-5; see Note 2  
Across Pins 8&4  
-0  
10  
0  
BD  
34.2  
Over full temp range  
100% Load  
50% Load  
7  
%
%
See Figure 1 for efficiency curve  
See Figure 1 for efficiency curve  
Note 1: Output iterminatewith 1 µF and -ESR ttalum capacitors. For applications requiring reduced output voltage ripple and  
noise, consult Synor applications support suppoqor.com)  
Note 2: Trim-up ranis limited be10% at and foad.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 7  
Input:180-425V  
Output:48.0V  
Current:6.25A  
Part No.:IQ4H480HTx06  
Technical Specification  
IQ4H480HTx06 Electrical Characteristics (48 Vout)  
Ta = 25 °C, airflow rate = 300 LFM, Vin = 385V dc unless otherwise noted; full operating temperature rais -40 °°C bplate temperature  
with appropriate power derating. Specifications subject to change without notice.  
Parameter  
Min.  
Typ.  
Max. Units tes & Conditio
INPUT CHARACTERISTICS  
Maximum Input Current  
No-Load Input Current  
2.7  
TBD  
TBD  
A
mA  
V
mA  
Vim up; in rent limit  
55  
5
TBD  
TBD  
Disabled Input Current  
Response to Input Transient  
Input Terminal Ripple Current  
Recommended Input Fuse  
OUTPUT CHARACTERISTICS  
Output Voltage Set Point  
Output Voltage Regulation  
Over Line  
Over Load  
Over Temperature  
Total Output Voltage Range  
Output Voltage Ripple and Noise  
Peak-to-Peak  
See Figure
RMS  
Fast ating external e recomd  
5
47.52  
48  
4848  
±0.1  
720  
%
%
mV  
V
-720  
4
49.200  
Ovle, line, load, perature & life  
20 MHwidth; see Note 1  
Full load  
Full load  
ubject to theral derating  
t voltage 10% Low  
0
TBD  
TBD  
6.25  
TBD  
mV  
RMS  
Operating Output Current Range  
Output DC Current-Limit Inception  
Output DC Current-Limit Shutdown Vo
Back-Drive Current Limit while Enab
Back-Drive Current Limit while Disabled  
Maximum Output Capacitance  
Output Voltage during Load Cusient  
Step Change in Outpurrent )  
Settling Time  
Output Voltage Trim Ran
Output Voltage Remote Sen
Output Ovge Protection  
EFFICIEN
0
TBD  
7.5  
A
A
mA  
µF  
28.8  
TBD  
TBD  
Negae current drawn from output  
Negative current drawn from output  
out nominal at full load (resistive load)  
,000  
m
µs  
%
%
V
50% to 75% to 50% Iout max  
To within 1% Vout nom  
Across Pins 8&4; Common Figures 3-5; see Note 2  
Across Pins 8&4  
-0  
10  
0  
BD  
58.6  
Over full temp range  
100% Load  
50% Load  
8  
%
%
See Figure 1 for efficiency curve  
See Figure 1 for efficiency curve  
Note 1: Output iterminatewith 1 µF and -ESR ttalum capacitors. For applications requiring reduced output voltage ripple and  
noise, consult Synor applications support suppoqor.com)  
Note 2: Trim-up rane is limited be10% at and foad.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 8  
Technical  
Specification  
IQ4HxxxHTXxx  
BASIC OPERATION AND FEATURES  
CONTROL FEATUR
This converter series uses a two-stage power conversion  
topology. The first stage is a buck-converter that keeps the  
output voltage constant over variations in line, load, and  
temperature. The second stage uses a transformer to provide  
the functions of input/output isolation and voltage step-up or  
step-down to achieve the output voltage required.  
REMOTE ON/OFF (2): The F inp, Pin 2, permits  
the user to control when the convern or off. This input  
is referenced to returterminal ohe input s, Vin(-).  
The ON/OFF sigtive low (eaning that a low turns the  
converter o). Figuails fouossible cor driving  
the ON/OFF p. Figurdetailed look of t/  
OFF ccuitry.  
Both the first stage and the second stage switch at a fixed  
frequency for predictable EMI performance. Rectification of the  
transformer’s output is accomplished with synchronous rectifiers.  
These devices, which are MOSFETs with a very low on-state  
resistance, dissipate far less energy than Schottky diodes. This is  
the primary reason that the converter has such high effici
even at very low output voltages and very high output current
REMSENSE(+) Pins 7 and 5): NSE(+) inputs  
correcltage dros along the nductoconnthe  
converteut pins to the load.  
Pin 7 should be connecteVout(+Pin should be  
d to Vout(-) at the pthe boere regulation  
iA remote connection e load can adjust for a  
voltage drop only arge as that ied in this datasheet,  
that is  
These converters are offered totally encased to withstand harsh  
environments and thermally demanding applicatiissipation  
throughout the converter is so low that it does ire a  
heatsink for operation in many applications; howev
a heatsink provides improved thermal drating peforma
extreme situations.  
[Vout(+) - Vout(-)sense(+) - Vsense(-)] <  
Sense Ra% x Vout  
Pins 7 and be connected for proper regulation of  
toutput voltaese connections are not made, the  
converter will deliver n output voltage that is slightly higher  
than its specified value.  
This series of converters uses tndustry standard otprint  
and pin-out configuration.  
te: the otput over-voltage protection circuit senses the  
e acros the output (pins 8 and 4) to determine when  
it trigger, not the voltage across the converter’s sense  
leads (pins 7 and 5). Therefore, the resistive drop on the board  
hould be small enough so that output OVP does not trigger,  
n during load transients.  
O
ON/OFF  
(_)  
5V  
Vin(_)  
Remote EnaCircuit  
Negativ
(Permanen
Enabled)  
68.1k  
124k  
5V  
N/OFF  
ON/OFF  
TTL  
TTL/  
ON/OFF  
Vin(_)  
OS  
249k  
2200p  
Vin(_)  
Open Collecble Circuit  
VIN(-)  
Direct Logic Drive  
Figure A: Various circuits for driving the ON/OFF pin.  
Figure B: Internal ON/OFF pin circuitry  
Product # IQ4HxxxHTxxx  
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Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 9  
Technical  
Specification  
IQ4HxxxHTXxx  
OUTPUT VOLTAGE TRIM (Pin 6): The TRIM input permits the  
user to adjust the output voltage across the sense leads up or  
down according to the trim range specifications.  
PROTECTION FEATS  
Input Under-Voltagockouconvter is designed  
to turn off when the input voltage iw, helping avoid an  
input system insty proem, descriin more ail in the  
application note ” on our ebsite. The lockout circuitry  
is a compaator witsteresisWhen the t voltage is  
rising, it muexceed pical Turn-On Vold  
value isted on the specns page) before the c
will ton. Once the conver is on, thut voltage must fall  
below typical TurnOff Voltage hreslue before the  
onverturn off.  
To decrease the output voltage, the user should connect a  
resistor between Pin 6 and Pin 5 (SENSE(-) input). For a desired  
decrease of the nominal output voltage, the value of the resistor  
should be  
90.9  
D%  
- 0.909  
R
=
(kW)  
trim-down  
(
)
ꢀ
where  
Output Cuimit: Thmaximurrent t remains  
nstant as the output dropweveonce the  
e of the load aross tut is smnough to make  
the oltage drop below thfied Output DC Current-  
Limit Shutdown Vothe converts off.  
Vnominal – Vdesired  
Vnominal  
ꢀ=  
x 100%  
D%  
To increase the output voltage, the user should connect a  
resistor between Pin 6 and Pin 7 (SENSE(+) input). or a desired  
increase of the nominal output voltage, the valuesistor  
should be  
Tconverter thn ent“hiccup mode” where it repeatedly  
turns on and off at a 4 Hz nal) frequency with a 20% duty  
cycle unshort circuit con is removed. This prevents  
excessive of the conveer or the load board.  
100 + Δ%  
Rtrim-up =  
(
)* ( 1.225  
Vno- 0.909  
)
(kΩ)  
ꢀ
Δ%  
Oput Over-Vomit: If the voltage across the output  
pins exceeds the OutpOver-Voltage Protection threshold, the  
converter will immediately stop switching. This prevents damage  
the load circuit ue to 1) excessive series resistance in output  
ent path rom converter output pins to sense point, 2) a  
rof a short-circuit condition, or 3) a release of a current  
limit tion. Load capacitance determines exactly how high  
he output voltage will rise in response to these conditions. After  
ms the converter will automatically restart.  
where  
Vnom = Nominal Output Ve  
Graphs show the relnship the trim resistor v
and Rtrim-up and Rwn, shthe total range the  
output voltage can be tup or own.  
Note: the feature doeect the voltahich the  
output oveprotection cuit is triggered. Tg the  
output voltage may cause the ltage pion  
circuit to engage, py during tansien
Over-Temperature Shutdown: A temperature sensor on  
the converter senses the average temperature of the module.  
The thermal shutdown circuit is designed to turn the converter  
off when the temperature at the sensed location reaches the  
Over-Temperature Shutdown value. It will allow the converter  
to turn on again when the temperature of the sensed location  
falls by the amount of the Over-Temperature Shutdown Restart  
Hysteresis value.  
It is not necessry for the user to adacitanhe Trim  
pin. The node is ternally bypsed to ete noi
Total DC Variation of V  
specifications, the maxiriation of the dc vue of V  
to both trimming and remd voltage drops, should not be  
: For the convermeet its full  
T  
, due  
OUT  
greater than that ied for tput vltage trim range.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
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05/13/10  
Page 10  
Technical  
Specification  
IQ4HxxxHTXxx  
Startup Inhibit Period: Tp Inhiod ensures that  
the converter will remain off for mately 0 ms when it is  
shut down for any reaWhen t sht is present, this  
generates a 4 Hz “hiccup mode,” whvents the converter  
from overheatingl, theare six wathat the coerter can  
be shut down, initStartup Ihibit Period:  
APPLICATION CONSIDERATIONS  
Input System Instability: This condition can occur because  
any dc-dc converter appears incrementally as a negative  
resistance load. A detailed application note titled “Input  
System Instability” is available on the SynQor website which  
provides an understanding of why this instability arises, and  
shows the preferred solution for correcting it.  
• Input Underoltage
• Outt Over-Voltage Pron  
• Ovemperature Shutdown  
Currt  
Application Circuits: Figure D provides a typical circuit  
diagram which details the input filtering and voltage trimming.  
Input Filtering and External Capacitance: Figure E provides  
a diagram showing the internal input filter components. This filter  
dramatically reduces input terminal ripple current, which other
could exceed the rating of an external electrolytic input cap
The recommended external input capacitance is specified in the  
Input Characteristics section on the Electrical Characteristics  
page. More detailed information is available in tpplication  
note titled “EMI Characteristics” on the SynQor
• Short Citection  
• Turned off by the ON/OF
hows three tun-on sos, where a Startup Inhibit  
Periotiated at , t1, and t2:  
Vout(+)  
Vsense(+
Rtrim-up  
Vin(
ytic  
Capor  
Extern
put  
r  
Vin  
Trim  
or  
OFF  
Vin(_)  
Cload  
Rtrim-down  
Iload  
Vsense(_)  
Vout(_)  
Figure : Typiplicatircuit (negative logic unit, permanently enabled).  
L
Vin(+)  
C
Vin(_)  
Figure E: Internal Input Filter Diagram (component values listed on the specifications page).  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
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05/13/10  
Page 11  
Technical  
Specification  
IQ4HxxxHTXxx  
Before time t0, when the input voltage is below the UVL threshold,  
the unit is disabled by the Input Under-Voltage Lockout feature.  
When the input voltage rises above the UVL threshold, the  
Input Under-Voltage Lockout is released, and a Startup Inhibit  
Period is initiated. At the end of this delay, the ON/OFF pin is  
evaluated, and since it is active, the unit turns on.  
A power derating curve can ated fheatsink that is  
attached to the base-plate of thrter. Ionly necessary  
to determine the therml sistanceof thchosen heatsink  
between the base-plate and the ambfor a given airflow  
rate. This inforis ually availe from thheatsink  
vendor. The follomula can e be used to determine the  
maximum pwer the er can ssipate fon thermal  
condition if its bse-plate no higher than
At time t1, the unit is disabled by the ON/OFF pin, and it cannot  
be enabled again until the Startup Inhibit Period has elapsed.  
8ºC - TA  
Pmax  
=
When the ON/OFF pin goes high after t2, the Startup Inhibit  
Period has elapsed, and the output turns on within the typical  
Turn-On Time.  
diss  
RTH  
BA  
This value r dissipatiocan te used onjunction  
with the data shown in Figuo detethe mimum load  
and power) that the rter caer in the given  
dition.  
Thermal Considerations: The maximum operating ba
plate temperature, TB, is 85 ºC. As long as the user’s th
system keeps TB < 85 ºC, the converter can deliver its full  
rated power.  
For convenience, Fi3 and 4 provwer derating curves  
fr an encased nver
V
in  
Under-Voltage  
Lockout Turn-On  
Threshold  
ON/OFF  
(neg logic
N  
OFF  
ON  
OFF  
ON  
35ms  
(typical turn on time)  
V
out  
200ms  
cal start-up  
ibit period)  
200ms  
200ms  
t
t1  
t2  
Figure F: Startup Inhibit Period (turn-on time not to scale)  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 12  
Technical  
Specification  
IQ4HxxxHTXxx  
Standards and Qualifications (all output voltages)  
Parameter  
Notes & Conditions  
Pending  
Reinforced Insulation  
STANDARDS COMPLIANCE  
UL 60950-1 2nd Ed, 2007  
CAN/CSA-C22.2 No. 60950-1:2007  
EN60950-1 Ed 2.0  
CE Marked  
2006/95/EC Low Voltage Directive  
IEC 61000-4-2  
ESD test, 8 kV - NP, 15 kV air - P (Normal Performan
Note: An external input fuse must always be used to meet these safety requirementsntact SynQor for officsafety ceron new  
releases or download from the SynQor website.  
Parameter  
QUALIFICATION TESTING  
Life Test  
# Units Test Conditions  
32  
5
5
95% rated Vnd load, units at derating point, 1000 h
10-55 Hz 0" total excuron, 1 min./swe120 for 3 axis  
100g minimumx and y ais, 1 drop in z axis  
Vibration  
Mechanical Shock  
Temperature Cycling  
Power/Thermal Cycling  
Design Marginality  
Humidity  
10  
5
5
-40 °C to 100 C, un15 °C/mi0 cycles  
erating = mto max, = min to max, 100 cycles  
Tmi-10 °C to Tmax+10 °C, 5 °C steps, Vin = mi0-105% load  
85 °C, 85% RH, 100 hours, continus Vin applied e/day  
5
Solderability  
1-STD-883, meth2003  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 13  
Technical  
Specification  
IQ4HxxxHTXxx  
Mechanical Drawing  
2.486 .020 [63,14  
0,5]  
2.000 [50,8 ]  
1.400  
1.000  
.700  
[ 35,56 ]  
[
25,4 ]  
17,78 ]  
10,16 ]  
[
95 .025  
57 0,63 
HEIGHT  
.400  
[
.243 .020  
[6,17 0,5]  
.18
[4,57 ]  
SEE NOTE 6  
8
7
6
.243
[6,17
9
5
2.386 .020  
[60,6 0,5]  
TOP VIEW  
1.90  
[,3 ]  
1.900  
[48,26 ]  
SIDE VIEW  
.233 .020  
[5,92 0,5]  
1
B
2
A
3
4
.[10,16 ]  
THREADED NST  
x4  
SEE NOTES 1 AN2  
.005 .015  
[0,13  
0,38]  
.600 [15,24 ]  
.800 [20,32 ]  
1.00[25,4 ]  
,56 ]  
BOTTOMSIDE CLEARANCE  
.543 .020  
13,79 0,5 ]  
[
NOTES  
PIN DESIGNATIONS  
n Name Function  
2
1)  
M3 SCREWS USED TO T'S BEPLATE TO HER  
SURFACUCH AS HEATST NOT EXCE"  
Vin(+) Positive input voltage  
(2.54H BELOW THFACE OF THE BAS.  
ON/OFF TTL input to turn converter on and off, referenced to  
Vin(–), with internal pull up.  
Ishare Single wire parallel signal  
Vin(–) Negative input voltage  
2)  
3)  
4)  
APPLIED TSCREW HOULD NOCEED 6i
(0.7Nm).  
BASEPLATE FLATEERANCE I04" (.mm) TIR FO
SURFACE.  
PINS 1-4, 6-8, A AND B ARE 0.0" (1.0IA. W080"  
(2.03mm) DIA. ANDOFF SHOULDERS  
3
4
5
6
7
8
9
A
Vout(–) Negative output voltage  
SENSE(–) Negative remote sense(see note 1)  
Output voltage trim (see note 2)  
SENSE(+) Positive remote sense(see note 3)  
Vout(+) Positive output voltage  
TRIM  
5)  
PINS 5 AND 9 ARE 0.0.03mm) DIA. WITH ." (3.18) DIA.  
STANDOFF SHOULDER
Clock  
Sync  
Clock synchronization  
6)  
7)  
OTHER PIN EXN LENGAILABE  
ALL PINS: ATERIPPER A
FINISH: TIN ONICKEL PLATE  
B
Start Sync Startup synchronization  
Notes:  
1) SENSE(–) should be connected to Vout(–) either remotely or at  
the converter.  
2) Leave TRIM pin open for nominal output voltage.  
3) SENSE(+) should be connected to Vout(+) either remotely or at  
the converter.  
8)  
UNDIMENSIOMPONENTS ARE SHOWN FOR VISUAL  
REFERENCE O
9)  
Weight: 4.9oz (13
10)  
ALL DIMENSIONS IN S(mm)  
TOLERANCES: X.XXIN -0.02 (X.Xmm +/-0.5mm)  
X.XXXIN +/-0.010 (X.XXmm +/-0.25mm)  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
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Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 14  
Technical  
Specification  
IQ4HxxxHTXxx  
3.15 [80  
Mechanical Drawing Flanged Option  
USE W/ 4-40 OR  
M3 SCREW (6x)  
RECOM. TORQUE  
3 in.lb  
2.95 [7
2.486 .020 
R
.065  
[
1,65]  
1.61  
[40,9  
]
OP V
.96  
[24,4  
]
.31  
[7,9  
1
.
[0,6
.543 .020 [13,79  
.020 [19,69  
.875 .020 [22,23  
0,5
1.400
1.000 [25,4  
00 [17,78  
[10,16  
.495 .025  
[
12,57 0,63 ]  
]
]
OVERALL HEIGHT  
.180  
[4,57  
SEE NOTE 6  
]
.01 [0,2]  
5
8
9
BOTTOM
1.900  
[48,26  
2.386
[60,6 ]  
SIDE VIEW  
]
4
3
B
A
2
1
.400 [10,16  
.600 [15,24  
.800 [20,32  
1.000 [25,4  
]
.005 .015  
13 0,38]  
TOMSIDE CL
]
]
]
.125  
[3,18  
]
1.400 [35,56  
]
PIN DESIGNATIONS  
NOTES  
Name Function  
1
2
1)  
2)  
3)  
Applieper screw shexceed 6in-lb. ).  
Baseplalerance is 04" (.10mm) TIR for
Pins 1-4, 6-8 1.02mm) diame0.080” ()  
diameter tandof
Vin(+) Positive input voltage  
ON/OFF TTL input to turn converter on and off, referenced to  
Vin(–), with internal pull up.  
Ishare Single wire parallel signal  
Vin(–) Negative input voltage  
3
4
4)  
Pins 5 and 9 are 0.0802.03 mm) er wit(3.18 m)  
diameter stanoff shoulders.  
5
6
7
8
9
A
Vout(–) Negative output voltage  
SENSE(–) Negative remote sense(see note 1)  
5)  
6)  
Other Pin Extenion Lengths Alable  
All Pins: Materi: Copper Alloy  
Finish: Matte n over Nickel plate  
Undimensioned compre shown for visual ference only.  
Weight: 4.9oz (139g)  
All dimensions in es (mm
Tolerances: x.xx 2 in. (x.5mm)  
x.+/-0.n. (x.xx 5mm)  
TRIM  
Output voltage trim (see note 2)  
7)  
8)  
SENSE(+) Positive remote sense(see note 3)  
Vout(+) Positive output voltage  
9)  
Clock  
Sync  
Clock synchronization  
B
Start Sync Startup synchronization  
Notes:  
1) SENSE(–) should be connected to Vout(–) either remotely or at  
the converter.  
2) Leave TRIM pin open for nominal output voltage.  
3) SENSE(+) should be connected to Vout(+) either remotely or at  
the converter.  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
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Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 15  
Technical  
Specification  
IQ4HxxxHTXxx  
PART NUMBERING SYSTEM  
ORDERING INFORMA
The part numbering system for SynQor’s dc-dc converters  
follows the format shown in the example below.  
The tables below show he valil nums and ordering  
options for converters in this prodily. When ordering  
SynQor converterplease ensure thuse the omplete  
15 character mbeconsisting of the 12 character  
base part number e additial charactfor options.  
Add “-G” te moder fo6/6 RoH
IQ 4H 050 H T C 50 N R S - G  
6/6 RoHS  
Options (see  
Ordering Information)  
Input  
Voltage  
Output  
Voltage  
Current  
Model Number  
Output Current  
25HTX60xy
IHTX60xy
IQ4X50xyz  
IQ4H12xyz  
IQ4H150HTX20xyz  
240HTX12xyz  
0HTX10yz  
IQ4H480HTX
180-45V  
180-V  
180-4
80-42
-425V  
5V  
18
180-4
V  
5
12V  
5V  
28V  
48V  
60  
50A  
25A  
20A  
12.5A  
10.7A  
6.25A  
Thermal Design  
Performance Level  
Package Size  
Output Voltage  
Input Voltage  
Product Family  
Tfollowing options mincluded in place of the w x y z  
spaces in e model numbed above.  
The first 12 characters comprise the se part nmbea
the last 3 characters indicate available options. The “-G
suffix indicates 6/6 RoHS compliae.  
ptions Desciption: w x y z  
ThermaDes
nable Logic Pin Style  
Feature Set  
C - Encased with Treaded  
Baseplate  
- Encased with Fland  
eplate  
S - Standard  
F - Full Feature  
N - Negative  
R - 0.180"  
Application Notes  
A variety of application ntechnical we papers an  
be downloaded in pformaur website.  
Not ambinations make valid part numbers, please contact  
ynQor for availability. See the Product Summary web page for  
options.  
RoHS Compliance: led RRestriction of Hazardo
Substances) Directive the e of LeaCadmium,  
Hexavalent Chromium, PolybromiBiphenyls  
(PBB), aominated Dyl Ether (PBDEectrical  
and Electronent. Ths SynQor duct is oHS  
compliant. For rmation pleaser to Ss  
RoHS addendm aailat our RoCompnce / Lead e  
PATENTS  
SynQor holds the following U.S. patents, one or more of which apply to  
each product listed in this brochure. Additional patent applications may  
be pending or filed in the future.  
Initiative web pge or e-mail us at rsynqo
5,999,417  
6,731,520  
7,072,190  
7,272,023  
6,222,742  
6,894,468  
7,085,146  
7,558,083  
6,545,890  
6,896,526  
7,119,524  
7,564,702  
6,577,109  
6,927,987  
7,269,034  
6,594,159  
7,050,309  
7,272,021  
Contact Syfor fer information:  
Warranty  
ne:  
978-849-0600  
SynQor offers a two (2) year limited warranty. Complete warranty  
information is listed on our website or is available upon request from  
SynQor.  
Tee: 888-567-9596  
Fax:  
978-849-0602  
E-mail:  
Web:  
ower@synqor.com  
www.synqor.com  
Information furnished by SynQor is believed to be accurate and reliable.  
However, no responsibility is assumed by SynQor for its use, nor for any  
infringements of patents or other rights of third parties which may result  
from its use. No license is granted by implication or otherwise under any  
patent or patent rights of SynQor.  
Address: 155 Swanson Road  
Boxborough, MA 01719  
USA  
Product # IQ4HxxxHTxxx  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-0005270 Rev. 2  
05/13/10  
Page 16  

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