IQ72300QTB05NRS-G [SYNQOR]
DC-DC Regulated Power Supply Module, 1 Output, Hybrid, ROHS COMPLIANT, QUARTER-BRICK PACKAGE-8;型号: | IQ72300QTB05NRS-G |
厂家: | SYNQOR WORLDWIDE HEADQUARTERS |
描述: | DC-DC Regulated Power Supply Module, 1 Output, Hybrid, ROHS COMPLIANT, QUARTER-BRICK PACKAGE-8 |
文件: | 总12页 (文件大小:554K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Technical
Specification
IQ72300QTA05
72Vin
Input
30Vout
Output
5Amp 2250Vdc Quarter-brick
Current
Isolation
DC/DC Converter
™™
The IIQ72300QTA05 InQor Tera qquarter-brick cconverter iis aa
next-generation, board-mountable, isolated, fixed switching fre-
quency DC/DC converter that uses synchronous rectification to
achieve extremely high conversion efficiency. The power dis-
sipated by the converter is so low that a heatsink is not
required, which saves cost, weight, height, and application
effort. An optional base-plated version is available for those
demanding aapplications tthat rrequire hheatsinks, aand ffor hharsh
environments aan eencased vversion iis aalso aavailable. TThe TTera
series ooffers tthe mmaximum uusable ooutput ccurrent ffor aany sstan-
dard ““quarter-brick” mmodule. RRoHS ccompliant ((see ppage 99).
Open Frame
Operational Features
Encased
• High efficiency, 89.2% at full rated load current
• Delivers up to 5 amps of output current (150W) with
minimal derating - no heatsink required
Protection Features
• Wide operating input voltage range: 42V – 110V
• Input under-voltage lockout disables converter at low
input voltage conditions
• Output current limit and short circuit protection protects
converter and load from permanent damage and conse-
quent hazardous conditions
• Fixed frequency switching provides predictable EMI per-
formance
• No minimum load requirement means no preload resis-
tors required
• Active back bias limit prevents damage to converter
from external load induced pre-bias
• Output over-voltage protection protects load from dam-
aging voltages
Mechanical Features
• Industry standard quarter-brick pin-out configuration
• Industry standard size: 1.45” x 2.3” (36.8x58.4mm)
• Thermal shutdown protects converter from abnormal
environmental conditions
• Total open frame height less than 0.43” (10.9mm), per-
mits better airflow and smaller card pitch
Safety Features
• Total open frame weight: 1.5 oz. (42 grams)
• Flanged pins designed to permit surface mount soldering
• 2250V, 30 MΩ input-to-output isolation provides
(allowing to avoid wave solder) using FPiP technique
input/output ground separation
• UL/cUL 60950-1 recognized (US & Canada), basic
insulation rating (pending)
• TUV certified to EN60950-1 (pending)
Control Features
• On/Off control referenced to input side
• Meets 72/23/EEC and 93/68/EEC directives which
facilitates CE Marking in user’s end product
• Remote sense for the output voltage compensates for
output distribution drops
• Board and plastic components meet UL94V-0 flammabil-
ity requirements
• Output voltage trim permits custom voltages and voltage
margining
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 1
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
IQ72300QTA05 ELECTRICAL CHARACTERISTICS
TA=25°C, airflow rate=300 LFM, Vin=72Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient
temperature with appropriate power derating. Specifications subject to change without notice.
ParameterP
Min.
Typ.
Max.
Units Notes & Conditions
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
120
110
V
V
Continuous
Operating
Continuous
Isolation Voltage
Basic insulation, Pollution Degree 2
Input to Output
2250
2250
2250
100
125
18
Vdc
Vdc
Vdc
°C
°C
V
Input to Base-Plate
Output to Base-Plate
Operating Temperature
Storage Temperature
-40
-55
-2
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
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
Input Filter Component Values (L\C)
Recommended External Input Capacitance
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
42
72
110
V
38.8
35.2
40.3
36.8
3.5
41.8
38.4
V
V
V
5.3
60
4.0
A
42 Vin, trim up, in current limit
45
2.2
0.65
220
mA
mA
V
mA
A
1000V/ms input transient
RMS
Fast acting external fuse recommended
7
6.8\1.2
100
µH\µF Internal values; see Figure E
µF
Typical ESR 0.1-0.2Ω
29.700
30.000
30.300
V
+
+
+
+
0.1
0.1
0.3
0.3
%
%
Over Load
Over Temperature
-450
29.250
450
mV
V
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
30.750
Over sample, line, load, temperature & life
20MHz bandwidth; see note 2
Full Load
95
20.0
190
40.0
5
mV
mV
A
RMS
Full Load
Operating Output Current Range
Output DC Current-Limit Inception
Output DC Current-Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
DYNAMIC CHARACTERISTICS
Output Voltage during Load Current Transient
For a Step Change in Output Current (0.1A/µs)
Settling Time
0
5.5
Subject to thermal derating
Output Voltage 10% Low
6.0
13.3
0.15
15
6.5
A
V
A
Negative current drawn from output
Negative current drawn from output
Vout nominal at full load (resistive load)
0
50
250
mA
µF
2300
100
mV
µs
50% to 75% to 50% Iout max
To within 1% Vout nom
Turn-On Transient
Turn-On Time
10
230
0
ms
ms
%
Full load, Vout=90% nom.
Start-Up Inhibit Time
200
250
-40°C to +125°C; Figure F
Output Voltage Overshoot
10,000 µF load capacitance, Iout = 0A
EFFICIENCY
100% Load
50% Load
89.2
91.1
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Input to Output
2250
2250
2250
Vdc
Vdc
Vdc
MΩ
pF
Input to Base-Plate
Output to Base-Plate
Isolation Resistance
30
1,000
Isolation Capacitance (input to output)
See Note 1
Note 1: Higher values of isolation capacitance can be added external to the module.
Note 2: Output is terminated with 1 µF ceramic and 15 µF low-ESR tantalum capacitors (only 1µF ceramic for Vout > 18 V).
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 2
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
ELECTRICAL CHARACTERISTICS (Continued)
ParameterP
Min.
Typ.
Max.
Units Notes & Conditions
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
Board Temperature
125
125
125
100
°C
°C
°C
°C
Package rated to 150°C
UL rated max operating temp 130°C
See Figure 3 for derating curve
Transformer Temperature
Maximum Baseplate Temperature, TB
FEATURE CHARACTERISTICS
Switching Frequency
Applies to baseplated and encased units only
230
250
270
kHz
Regulation and Isolation stages
ON/OFF Control
Off-State Voltage
2.4
-2
18
0.8
V
V
On-State Voltage
ON/OFF Control
Figures A & B
Pull-Up Voltage
5
50
V
kΩ
%
Pull-Up Resistance
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
Over-Temperature Shutdown
Over-Temperature Shutdown Restart Hysteresis
Load Current Scale Factor
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia)
Calculated MTBF (MIL-217)
Field Demonstrated MTBF
-20
+10
+10
127
Measured across Pins 8 & 4; Figure C
Measured across Pins 8 & 4
Over full temp range; % of nominal Vout
Average PCB Temperature
%
117
122
125
10
%
°C
°C
100
See Output Load Current app. note on our web
o
6
2.5
1.8
10 Hrs. TR-NWT-000332; 80% load,300LFM, 40 C T
a
a
6
o
10 Hrs. MIL-HDBK-217F; 80% load, 300LFM, 40 C T
6
10 Hrs. See our website for details
STANDARDS COMPLIANCE
ParameterP
Notes
STANDARDS COMPLIANCE
UL/cUL 60950-1
File # E194341, Basic insulation & pollution degree 2
Certified by TUV
EN60950-1
72/23/EEC
93/68/EEC
Needle Flame Test (IEC 695-2-2)
IEC 61000-4-2
Test on entire assembly; board & plastic components UL94V-0 compliant
ESD test, 8kV - NP, 15kV air - NP (Normal Performance)
GR-1089-CORE
Section 7 - electrical safety, Section 9 - bonding/grounding
Telcordia (Bellcore) GR-513
• An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety
certificates on new releases or download from the SynQor website.
OPTIONS
PATENTS
SynQor provides various options for Pin Length and Feature Set for SynQor is protected under various patents. Please consult the last
this family of Power Interface Modules. Please consult the last page page for further information.
for information on available options.
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 3
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
100
95
90
85
80
75
70
65
60
22
20
18
16
14
12
10
8
6
42 Vin
72 Vin
110 Vin
42 Vin
72 Vin
110 Vin
4
2
0
0
1
2
3
4
5
0
1
2
3
4
5
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for min-
Figure 2: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25 C.
imum, nominal, and maximum input voltage at 25
°C.
°
6
5
4
3
2
1
0
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
Semiconductor junction temperature is
within 1 C of surface temperature
°
Ambient Air Temperature (°C)
Figure 3: Open frame converter maximum output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM.
Air flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Open frame converter thermal plot at 3.6 amp load current
(108 W) with 55 C air flowing at the rate of 200 LFM. Air flows across
the converter from pin 3 to pin 1 (nominal input voltage).
°
6
5
4
3
6
5
4
3
2
2
1
0
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
1
0
0
25
40
55
70
85
0
25
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 5: Base-plated converter (without heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage, TB=100ºC).
Figure 6: Base-plated converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage, TB=100ºC).
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 4
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
Figure 7: Output voltage response to step-change in load current (50%-75%-50%
Figure 8: Output voltage response to step-change in input voltage
(1000 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout
of Iout(max); dI/dt = 0.1 A/µs). Load cap: 1
µF ceramic cap. Ch 1: Vout (5 V/div),
µ
Ch 2: Iout (1 A/div).
(500 mV/div), Ch 2: Vin (50 V/div).
35
30
25
20
15
10
42 Vin
72 Vin
5
110 Vin
0
0
1
2
3
4
5
6
7
Load Current (A)
Figure 9: Turn-on transient at full load (resistive load) (5 ms/div).
Input voltage pre-applied. Ch 1: Vout (10 V/div). Ch 2: ON/OFF input
(2 V/div).
Figure 10: Output voltage vs. load current showing typical current limit
curves and converter shutdown points.
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 5
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
BASIC OPERATION AND FEATURES
CONTROL FEATURES
The InQor series converter 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 (Pin 2): The ON/OFF input, Pin 2, permits
the user to control when the converter is on or off. This input is
referenced to the return terminal of the input bus, Vin(-). The
ON/OFF signal is active low (meaning that a low turns the con-
verter on). Figure A details four possible circuits for driving the
ON/OFF pin. Figure B is a detailed look of the internal ON/OFF
circuitry.
Both the first stage and the second stage switch at a fixed fre-
quency 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 resis-
tance, dissipate far less energy than Schottky diodes. This is the
primary reason that the InQor converter has such high efficiency,
even at very low output voltages and very high output currents.
REMOTE SENSE(+
rect for voltage drops along the conductors that connect the con-
verter’s output pins to the load.
) (Pins 7 and 5): The SENSE(+) inputs cor-
Pin 7 should be connected to Vout(+) and Pin 5 should be con-
nected to Vout(-) at the point on the board where regulation is
desired. A remote connection at the load can adjust for a voltage
drop only as large as that specified in this datasheet, that is
Dissipation throughout the converter is so low that it does not
require a heatsink for operation in many applications. Since a
heatsink is not required, the InQor converter does not need a
metal baseplate or potting material to help conduct the dissipat-
ed energy to the heatsink. The InQor converter can thus be built
more simply and reliably using high yield surface mount tech-
niques on a PCB substrate.
[Vout(+) - Vout(-)] – [Vsense(+) - Vsense(-)] <
Sense Range % x Vout
Pins 7 and 5 must be connected for proper regulation of the out-
put voltage. If these connections are not made, the converter will
deliver an output voltage that is slightly higher than its specified
value.
Nevertheless, for those thermally demanding applications that
require heatsinks or cold-plate mounting, an optional base-plated
version of the InQor is available. In addition, for applications
having a harsh environment, a totally encased and base-plated
version is also available.
Note: the output over-voltage protection circuit senses the voltage
across the output (pins 8 and 4) to determine when it should trig-
ger, not the voltage across the converter’s sense leads (pins 7
and 5). Therefore, the resistive drop on the board should be
small enough so that output OVP does not trigger, even during
load transients.
The InQor series of half-brick and quarter-brick converters uses
the industry standard footprint and pin-out configuration.
ON/OFF
ON/OFF
5V
_
_
Vin( )
Vin( )
Negative Logic
(Permanently Enabled)
Remote Enable Circuit
50k
5V
ON/OFF
ON/OFF
50k
TTL
TTL/
CMOS
ON/OFF
100pF
_
Vin( )
_
_
Vin( )
Direct Logic Drive
Vin( )
Open Collector Enable Circuit
Figure A: Various circuits for driving the ON/OFF pin.
Figure B: Internal ON/OFF pin circuitry
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 6
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
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.
Total DC Variation of Vout: For the converter to meet its full
specifications, the maximum variation of the DC value of Vout,
due to both trimming and remote load voltage drops, should not
be greater than that specified for the output voltage trim range.
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
PROTECTION FEATURES
511
Input Under-Voltage Lockout: The converter is designed to
turn off when the input voltage is too low, helping avoid an input
system instability problem, described in more detail in the appli-
cation note titled “Input System Instability”. The lockout circuitry
is a comparator with DC hysteresis. When the input voltage is ris-
ing, it must exceed the typical Turn-On Voltage Threshold value
(listed on the specifications page) before the converter will turn
on. Once the converter is on, the input voltage must fall below
the typical Turn-Off Voltage Threshold value before the converter
will turn off.
R
=
- 10.22 (kΩ)
trim-down
( ∆%)
where
Vnominal – Vdesired
Vnominal
=
x 100%
∆%
To increase the output voltage, the user should connect a resistor
between Pin 6 and Pin 7 (SENSE(+) input). For a desired increase
of the nominal output voltage, the value of the resistor should be
5.11VOUT(100+∆%)
1.225∆%
511
Output Current Limit: The maximum current limit remains con-
stant as the output voltage drops. However, once the impedance
of the short across the output is small enough to make the output
voltage drop below the specified Output DC Current-Limit
Shutdown Voltage, the converter turns off.
_
_
R
=
trim-up
where
(kΩ)
10.22
)
(
∆%
V
= Nominal Output Voltage
OUT
Figure C graphs the relationship between the trim resistor value
and Rtrim-up and Rtrim-down, showing the total range the output
voltage can be trimmed up or down.
The converter then enters a “hiccup mode” where it repeatedly
turns on and off at a 5 Hz (nominal) frequency with a 5% duty
cycle until the short circuit condition is removed. This prevents
excessive heating of the converter or the load board.
1,000,000.0
100,000.0
10,000.0
1,000.0
100.0
Output Over-Voltage Limit: If the voltage across the output
pins exceeds the Output Over-Voltage Protection threshold, the
converter will immediately stop switching. This prevents damage
to the load circuit due to 1) excessive series resistance in output
current path from converter output pins to sense point, 2) a
release of a short-circuit condition, or 3) a release of a current
limit condition. Load capacitance determines exactly how high
the output voltage will rise in response to these conditions. After
200 ms the converter will automatically restart.
10.0
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.
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
% Decrease in Vout
% Increase in Vout
Figure C: Trim Graph
Note: the TRIM feature does not affect the voltage at which the
output over-voltage protection circuit is triggered. Trimming the
output voltage too high may cause the over-voltage protection cir-
cuit to engage, particularly during transients.
It is not necessary for the user to add capacitance at the Trim pin.
The node is internally bypassed to eliminate noise.
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 7
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
Startup Inhibit Period: The Startup Inhibit Period ensures that
the converter will remain off for approximately 200ms when it is
shut down for any reason. When an output short is present, this
generates a 5Hz "hiccup mode," which prevents the converter
from overheating. In all, there are seven ways that the converter
can be shut down, initiating a Startup Inhibit 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 Under-Voltage Lockout
• Input Over-Voltage Shutdown (not present in Quarter-brick)
• Output Over-Voltage Protection
• Over Temperature Shutdown
• Current Limit
Application Circuits: Figure D provides a typical circuit dia-
gram which details the input filtering and voltage trimming.
Input Filtering and External Capacitance: Figure E pro-
vides a diagram showing the internal input filter components.
This filter dramatically reduces input terminal ripple current,
which otherwise could exceed the rating of an external elec-
trolytic input capacitor. The recommended external input capac-
itance is specified in the Input Characteristics section on the
Electrical Specifications page. More detailed information is
available in the application note titled “EMI Characteristics” on
the SynQor website.
• Short Circuit Protection
• Turned off by the ON/OFF input
Figure F shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t0, t1, and t2:
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.
Vout(+)
Vin(+)
Vsense(+)
Electrolytic
Capacitor
External
Input
R
trim-up
or
Vin
Trim
ON/OFF
Filter
C
R
load
trim-down
Iload
_
Vsense( )
_
_
Vin( )
Vout( )
Figure D: Typical application circuit (negative logic unit, permanently enabled).
L
Vin(+)
C
_
Vin( )
Figure E: Internal Input Filter Diagram (component values listed on the specifications page).
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 8
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
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.
rate. This information is usually available from the heatsink ven-
dor. The following formula can the be used to determine the max-
imum power the converter can dissipate for a given thermal con-
dition if its base-plate is to be no higher than 100ºC.
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.
max
100ºC - TA
P
=
diss
RTH
BA
An optional base-plated version is available for applications that
require heatsinks, and an encased version is available for harsh
environments.
This value of power dissipation can then be used in conjunction
with the data shown in Figure 2 to determine the maximum load
current (and power) that the converter can deliver in the given
thermal condition.
Thermal Considerations: Because the InQor series of con-
verters are so efficient, they don’t need a heatsink in many appli-
cations. Figure 3 shows a power derating curve of an open frame
converter for various ambient temperatures and airflow rates.
These curves represent a condition which results in a maximum
semiconductor junction temperature of 125ºC, which is comfort-
able below the 150ºC ratings of these components.
For convenience, Figures 5 and 6 provide power derating curves
for a converter with a base-plate without a heatsink and with a
typical 1/2” high heatsink.
RoHS Compliance: The EU led RoHS (Restriction of Hazardous
Substances) Directive bans the use of Lead, Cadmium,
Hexavalent Chromium, Mercury, Polybrominated Biphenyls
(PBB), and Polybrominated Diphenyl Ether (PBDE) in Electrical
and Electronic Equipment. This SynQor product is 6/6 RoHS
compliant. For more information please refer to SynQor’s RoHS
addendum available at our RoHS Compliance / Lead Free
Initiative web page or e-mail us at rohs@synqor.com.
For those applications that are more demanding, or that require
a cold-plate mounting, the InQor converters may be purchased
with an optional base-plate. The maximum operating base-plate
temperature, TB, is 100ºC. As long as the user’s thermal system
keeps TB < 100ºC, the converter can deliver its full rated power.
A power derating curve can be calculated for any heatsink that
is attached to the base-plate of the converter. It is only necessary
to determine the thermal resistance, RTHBA, of the chosen heatsink
between the base-plate and the ambient air for a given airflow
V
in
Under-Voltage
Lockout Turn-On
Threshold
ON/OFF
(neg logic)
ON
OFF
ON
OFF
ON
9ms (typical
turn on time)
V
out
200ms
(typical start-up
inhibit period)
200ms
200ms
t
t0
t1
t2
Figure F: Startup Inhibit Period (turn-on time not to scale)
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 9
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
MECHANICAL DIAGRAM
Open Frame
NOTES
PIN DESIGNATIONS
1) Pins 1-3, 5-7 are 0.040” (1.02mm) diameter with 0.080” (2.03 mm) diameter
standoff shoulders.
Pin No. Name
Function
1
2
Vin(+)
Positive input voltage
2) Pins 4 and 8 are 0.062” (1.57 mm) diameter with 0.100” (2.54 mm) diame-
ter standoff shoulders.
3) Recommended pin length is 0.03” (0.76mm) greater than the PCB thickness.
4) All Pins: Material - Copper Alloy; Finish - Matte Tin over Nickel plate
5) Undimensioned components shown are for visual reference only.
6) Weight: Open frame: 1.5 oz. (42 g)
ON/OFF
TTL input to turn converter
on and off, referenced to
Vin(-), with internal pull up.
3
4
5
6
7
8
Vin(–)
Negative input voltage
Negative output voltage
Negative remote sense1
Output voltage trim2
Vout(–)
SENSE(–)
TRIM
Base-plated: 2.5 oz. (69 g) typical
Encased: 3.02 oz. (85.7 g) typical
7) All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm)
SENSE(+)
Vout(+)
Positive remote sense3
Positive output voltage
x.xxx +/-0.010 in. (x.xx +/-0.25mm)
8) Workmanship: Meets or exceeds IPC-A-610C Class II
9) UL/TUV standards require a clearance greater than 0.04” (1.02mm)
between input and output for Basic insulation. This issue should be consid-
ered if any copper traces are on the top side of the user’s board. Note
that the ferrite cores are considered part of the input/primary circuit.
10) M3 screws used to bolt unit’s baseplate to other surfaces (such as a heatsink)
must not exceed 0.100” (2.54 mm) depth below the surface of the baseplate.
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.
11) Applied torque per screw should not exceed 6in-lb. (0.7 Nm).
12) Baseplate flatness tolerance is 0.004” (.10mm) TIR for surface.
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 10
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
MECHANICAL DIAGRAM (continued)
Base-plated
Encased
Product # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 11
Input:
Output:
Current:
Package:
42-110 V
30 V
5 A
Quarter-brick
Technical Specification
PART NUMBERING SYSTEM
ORDERING INFORMATION
The part numbering system for SynQor’s InQor DC/DC con-
verters follows the format shown in the example below.
IQ 72 300 Q T A 05 N R S - G
The tables below show the valid model numbers and ordering
options for converters in this product family. When ordering
SynQor converters, please ensure that you use the complete
15 character part number consisting of the 12 character base
part number and the additional 3 characters for options.
A “-G” suffix indicates the product is 6/6 RoHS compliant.
6/6 RoHS
Options (see
Ordering Information)
Output Current
Output Max Output
Voltage Current
Model Number
Input Voltage
Thermal Design (see Ordering Info)
IQ72018QTw 40xyz
IQ72033QTw 30xyz
IQ72050QTw 25xyz
IQ72070QTw 20xyz
IQ72120QTw 12xyz
IQ72150QTw 10xyz
IQ72240QTw 06xyz
IQ72300QTw 05xyz
IQ72480QTw 03xyz
42 - 110 V
42 - 110 V
42 - 110 V
42 - 110 V
42 - 110 V
42 - 110 V
42 - 110 V
42 - 110 V
42 - 110 V
1.8 V
3.3 V
5 V
40 A
30 A
25 A
20 A
12 A
10 A
6 A
Performance Level
Package Size
7 V
Output Voltage
12 V
15 V
24 V
30 V
48 V
Input Voltage
Product Family
5 A
3 A
The first 12 characters comprise the base part number and the
last 3 characters indicate available options. The “-G” suffix
indicates 6/6 RoHS compliance.
The following option choices must be included in place of the
x y z spaces in the model numbers listed above.
Application Notes
Options Description: w x y z
A variety of application notes and technical white papers can
be downloaded in pdf format from our website.
Thermal
Design
Enable
Logic
Pin
Length
Feature
Set
A - Open Frame
B - Baseplated N - Negative R - 0.180" S - Standard
C - Encased
PATENTS (additional patent applications may be filed)
SynQor holds the following patents, one or more of which
might apply to this product:
5,999,417
6,594,159
6,927,987
6,222,742
6,731,520
7,050,309
6,545,890
6,894,468
7,072,190
6,577,109
6,896,526
7,085,146
Contact SynQor for further information:
Warranty
Phone:
978-849-0600
SynQor offers a three (3) year limited warranty. Complete warranty
information is listed on our website or is available upon request from
SynQor.
Toll Free: 888-567-9596
Fax:
978-849-0602
E-mail:
Web:
power@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 # IQ72300QTA05
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-I730005 Rev. B
8/24/07
Page 12
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