NQ60T60QGV20NYC-G [SYNQOR]
DC-DC Regulated Power Supply Module, 1 Output, Hybrid, ROHS COMPLIANT, QUARTER BRICK PACKAGE-8;
| 型号： | NQ60T60QGV20NYC-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：2404K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Technical
Specification
NQ60x60QGx20
9-60V
Continuous Input
0-60V
Outputs
20A
Current
Non-
Isolated
Quarter-brick
DC-DC Converter
The NiQor Quarter-brick dc-dc converter is a non-isolated
buck-boost regulator, which employs synchronous
rectification to achieve extremely high conversion efficiency.
The High Input Voltage NiQor Brick family of converters can
be used in traditional DPA (distributed power architecture)
systems or provide a regulated output voltage from a
battery source or other variable voltage source. The NiQor
Quarter-brick family can be configured to Buck the input
voltage down to a lower voltage or Boost the input voltage
up to a higher voltage using a single external resistor.
These modules are RoHS 6/6 compliant (see page 12).
Non-Isolated
G
-
S
-
0
A
2
0
C
0
2
G
6
@
T
U
Q
0
6
VO
W
VI
0
6
-
Q
9
0
N
N
0
6
-
NiQor Quarter-brick module
Protection Features
Operational Features
• High efficiency, 95% at full rated load current
• Delivers up to 20A of output current
• Input Voltage Range: 9-60V
• Input under-voltage lockout protects the converter at low input
• Output Voltage Range: 0-60V (negative output is possible)
• Extensive on-board input and output filtering
• No minimum load requirement means no preload resistors required
• Buck or buck-boost versions available
voltage conditions
• Over-current shutdown protects converter from excessive
load current or short circuits
• Input/output over-voltage protection protects load and regulator
from damaging voltages
• Thermal shutdown protects converter from abnormal
• Adjustable current limit with current monitor (C option)
environmental conditions
Mechanical Features
• Industry standard quarter-brick pin-out configuration
Safety Features
• Standard size: Encased - 1.54" x 2.39" (39x60.6 mm)
Flanged - 2.20" x 2.39" (55.88x60.6 mm)
● UL 60950-1:2007
● EN60950-1/A12:2011
• Total height only 0.515" (13.08 mm)
● CAN/CSA-C22.2 No. 60950-1:2007
• Total weight: Encased - 3oz (85g)
Flanged - 3.17oz (90g)
Contents
Control Features
Page No.
Open Frame Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Baseplated Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Technical Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Standards & Qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Technical Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
• On/Off control
• Output voltage trim permits custom voltages
• Remote Sense (S option, standard)
• Current limit trim (C option)
• Output voltage trim range from 0 - 60V
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 1
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Standard Mechanical Diagram
1.536 ±.020
[
±0,5]
39,01
.810[ 20,57 ]
.600[ 15,24 ]
.450[ 11,43 ]
.300[ 7,62 ]
.150[ 3,81 ]
.263±.020
[ 6,7±0,5 ]
.515±.025
[13.08± 0.63]
OVERALL HEIGHT
8
7 6 5 4
2.386±.020
[ 60,6±0,5]
Top View
Side View
1.86
[ 47,2 ]
2.00
[ 50,8]
M3 THREADED INSERTS
2 PLACES
SEE NOTES 1 & 2
.145
[ 3,68 ]
1
2
3
.020±.010
.468±.020[ 11,89±0,5 ]
.300[ 7,62 ]
[ 0,51±0,25]
BOTTOMSIDE
CLEARANCE
.183±.020
[ 4,65±0,5]
.600[ 15,24 ]
NOTES
PINꢀDESIGNATIONS
1)
M3 SCREWS USED TO BOLT UNIT'S BASEPLATE TO OTHER SURFACES
SUCH AS HEATSINKS MUST NOT EXCEED 0.090" (2.28mm) DEPTH
BELOW THE SURFACE OF THE BASEPLATE.
Pin Label
Function
1
2
Vin(+)
Positive input
2)
APPLIED TORQUE PER SCREW SHOULD NOT EXCEED 6in-lb (0.7Nm)
TTL input to turn converter on and off, referenced
to Vin(-), with internal pull up
ON/OFF
3)
BASEPLATE FLATNESS TOLERANCE IS 0.004" (.10mm)
TIR FOR SURFACE
3
4
Vin(-)
Negative input voltage, internal short to Pin 4
Negative output voltage, internal short to Pin 3
Negative remote sense. See note 1 (S option)
Itrim (C option)
Output voltage trim
Positive remote sense. See note 2 (S option)
Imon (C option)
4)
5)
6)
7)
8)
PINS 1-3, 5-7 ARE 0.040" (1.02mm) DIA. WITH 0.080" (2.03mm) DIA.
STANDOFF SHOULDERS
PINS 4 AND 8 ARE 0.062" (1.57mm) DIA. WITH 0.100" (2.54mm)
DIA. STANDOFF SHOULDERS
ALL PINS: MATERIAL: COPPER ALLOY FINISH: MATTE TIN OVER
NICKEL PLATE
UNDIMENSIONED COMPONENTS ARE SHOWN FOR VISUAL
REFERENCE ONLY
Vout(-)
SENSE
(-)
5
6
7
8
TRIM
SENSE
(+)
Vout(+)
Positive output voltage
Notes:
ALL DIMENSIONS IN INCHES(mm) TOLERANCES: X.XXIN +/-0.02
(X.Xmm +/-0.5mm) X.XXXIN +/-0.010 (X.XXmm +/-0.25mm)
1)SENSE(–) should be connected to Vout(–) either remotely or at
the converter
2)SENSE(+) should be connected to Vout(+) either remotely or at
the converter.
9)
Weight: 3oz (85g) typical
10)
Workmanship: Meets or exceeds IPC-A-610 Class II
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 2
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Flanged Mechanical Diagram
OVERALL HEIGHT
.500 .028
[12,7
0,71]
.60 [15,2 ]
.45 [11,4 ]
.30 [7,6 ]
.15 [3,8 ]
.01 [0,2]
2.200 .020 [55,88
1.536 .020 [39,01
0,5]
0,5]
.18
[4,6 ]
SEE NOTE 5 & 6
USE W/ 4-40
OR M3 SCREW (6x)
RECOM. TORQUE
3 in.lb
.13[3,3]
4
5
6
7
8
2.00
[50,8 ]
TOP VIEW
2.07
[52,5 ]
2.386 .020
1.66
[42,2 ]
[60,6
0,5]
1.01
[25,7 ]
.36
[9,1 ]
3
2
1
1
.30 [7,6 ]
.125
[3,2 ]
.183 .020
[4,65 0,5]
BOTTOMSIDE CLEARANCE
.010 .010
.70
[17,8 ]
.60 [15,2 ]
[0,51
0,25]
1.30
[33 ]
.02 [0,6 ]
.800 .020
[20,32
0,5]
NOTES
PINꢀDESIGNATIONS
1)
2)
3)
4)
APPLIED TORQUE PER SCREW SHOULD NOT EXCEED 5in-lb
(3in-lb RECOMMENDED).
BASEPLATE FLATNESS TOLERANCE IS 0.01" (.2mm)
TIR FOR SURFACE.
PINS 1-3, 5-7 ARE 0.040" (1.02mm) DIA. WITH 0.080" (2.03mm)
DIA. STANDOFF SHOULDERS
PINS 4 AND 8 ARE 0.062" (1.57mm) DIA. WITH 0.100" (2.54mm)
DIA STANDOFF SHOULDERS.
Pin Name ꢀFunction
1
Vin(+) Positive input voltage
TTL input to turn converter on and off,
referenced to Vin(–), with internal pull up.
2
ON/OFF
3
4
Vin(-) Negative input voltage, internal short to Pin 4
Vout(–) Negative output voltage, internal short to Pin 3
Negative remote sense. See note 1 (S option)
Itrim (C option)
TRIM Output voltage trim
Positive remote sense. See note 2 (S option)
Imon (C option)
Vout(+) Positive output voltage
SENSE
(–)
5
6
7
8
5)
OTHER PIN EXTENSION LENGTHS AVAILABLE
6)
ALL PINS: MATERIAL: COPPER ALLOY
FINISH: MATTE TIN OVER NICKEL PLATE
SENSE
(+)
7)
UNDIMENSIONED COMPONENTS ARE SHOWN FOR VISUAL
REFERENCE ONLY
8)
Weight: 3.17oz (90g)
Notes:
1)SENSE(–) should be connected to Vout(–) either remotely or at
9)
ALL DIMENSIONS IN INCHES(mm).
the converter
TOLERANCES: X.XXIN +/-0.02 (X.Xmm +/-0.5mm)
X.XXXIN +/-0.010 (X.XXmm +/-0.25mm)
2)SENSE(+) should be connected to Vout(+) either remotely or at
the converter.
10)
Recommended pin length is 0.03" (0.76 mm) greater than the PCB
thickness.
11)Workmanship: Meets or exceeds IPC-A-610 Class II
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 3
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Technical Specification
NQ60x60QGx20 Electrical Characteristics
Ta = 25 °C, airflow rate = 300 LFM, Vin = 24 V dc unless otherwise noted; full operating temperature range is -40 °C to +105 °C ambient temperature with appropriate power derating. Specifications
subject to change without notice.
Parameter
ABSOLUTE MAXIMUM RATINGS
Vout Min.
Typ.
Max. Units Notes & Conditions
Input Voltage
Non-Operating
Operating
Storage Temperature
Voltage at ON/OFF input pin
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
All
All
All
All
0
80
60
125
5.5
V
V
°C
V
Continuous
Continuous
-45
0
All
All
9
60
25
20
V
A
A
µF
V
A
Turn on at 10V
Input Fuse Rating
Fast blow external fuse recommended
Input current max equals output rated current
ESR < 1.5 Ω
Input Current
External Input Capacitance
Output Voltage
All
All
All
100
0
0
60
20
Output Current
Output voltage dependent
INPUT CHARACTERISTICS
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis
Input Current Limit
No-Load Input Current
“
All
All
All
All
12
24
48
All
All
9.2
8.1
9.5
8.5
1.0
24
85
115
225
35
10
8.9
V
V
V
A
mA
mA
mA
mA
µF\µH\µF
“
Disabled Input Current
Input Filter Components Value (C\L\C)
OUTPUT CHARACTERISTICS
Output Voltage Range
Operating Output Current Range
Output Voltage Regulation
Total Output Voltage Range
Output Voltage Ripple and Noise (pk-pk/36Vin)
“
8.8\2.2\26.4
All
All
0
0
60
20
V
A
Set output by Rtrim resistor
All
12
24
48
All
All
480 mV +4%*Vout
Sense pin, over sample, line, load, temp. & life
36 Vin Full Load; 100uF; 20 MHz b.w.
"
15
15
40
24
mV
mV
mV
A
“
Output DC Over Current limit
External Output Capacitance
C Option: Isense voltage
No load
Effective on input, output condition
ESR > 1 mΩ
0
1000
µF
All
All
All
1.25
1.83
10
V
V
kΩ
Full load
20 A load
Output resistance of Isense
C Option: Itrim voltage
Voltage at no load
All
All
All
All
All
0.12
2.12
10.2
2.5
V
V
kΩ
V
Voltage at maximum load
Pull-Up Resistance of Itrim Pin
Pull-Up Voltage
20 A load
C Option: Reverse Current
EFFICIENCY
2
µA
Enabled or Disabled
100% Load; 24 Vin
100% Load; 48 Vin
100% Load; 12 Vin
50% Load; 24 Vin
50% Load; 48 Vin
50% Load; 12 Vin
12
24
48
12
24
48
92
95
89
94
95
92
%
%
%
%
%
%
W mode only
W mode only
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 4
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Technical Specification
NQ60x60QGx20 Electrical Characteristics (Continued)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 24 V dc unless otherwise noted; full operating temperature range is -40 °C to +105 °C ambient temperature with appropriate power derating. Specifications
subject to change without notice.
Parameter
Vout Min. Typ. Max. Units Notes & Conditions
DYNAMIC CHARACTERISTICS
Output Voltage during Current Transient
For a Step Change in Output Current
Settling Time
All
1
V
(0.1 A/µs); 50%-75%-50% Iout max
To within 1.5% Vout nom.
All
5
ms
Turn on Transient
Startup delay
Rise Rate
Output Voltage Overshoot
FEATURE CHARACTERISTICS
Switching Frequency
All
All
All
2
0.6
ms
V/ms
V
Resistive load
"
"
0
All
240
250
260
kHz
ON/OFF Control
Negative Logic (N) ON/OFF Control
Off-State Voltage
On-State Voltage
Pull-Up Voltage
Pull-Up Resistance
Output Voltage Trim Range
Input/Output Over-Voltage Protection
Over-Temperature Shutdown
Over-Temperature Shutdown Restart Hysteresis
TEMP LIMITS FOR POWER DERATING
Semiconductor Junction Temperature
Board Temperature
All
All
All
All
All
All
All
All
1.8
0
3.3
0.8
V
V
V
kΩ
V
V
3.3
10
0
66
60
75
Measured Vout+ to common pins
Over full temp range
Average PCB Temperature
72
115
15
°C
°C
All
All
All
125
125
100
°C
°C
°C
Package rated to 150 °C
ULrated max operating temp 130 °C
Baseplate Temperature
RELIABILITY CHARACTERISTICS
Calculated MTBF (TR-NWT-000332; Telcordia)
Calculated MTBF (MIL-HDBK-217F; MIL-217)
Field Demonstrated MTBF
All
All
All
3.2
3.0
106 Hrs. 66% load, Tcase= 70°C
106 Hrs. 66% load, Tcase= 70°C
106 Hrs. See our website for details
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 5
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Standards & Qualifications
Parameter
STANDARDS COMPLIANCE
Notes & Conditions
UL 60950-1:2007
CAN/CSA-C22.2 No. 60950-1:2007
EN60950-1/A12:2011
Needle Flame Test (IEC 695-2-2)
IEC 61000-4-2
Test on entire assembly; board & plastic components UL94V-0 compliant
ESD test, 8 kV - NP, 15 kV air - NP (Normal Performance)
Note: 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.
Parameter
QUALIFICATION TESTING
Life Test
# Units Test Conditions
32
95% rated Vin and load, units at derating point, 1000 hours
Vibration
5
5
10
5
10-55 Hz sweep, 0.060” total excursion, 1 min./sweep, 120 sweeps for 3 axis
100g minimum, 2 drops in x, y, and z axis
Mechanical Shock
Temperature Cycling
Power/Thermal Cycling
Design Marginality
Humidity
-40 °C to 100 °C, unit temp. ramp 15 °C/min., 500 cycles
Toperating = min to max, Vin = min to max, full load, 100 cycles
Tmin-10 °C to Tmax+10 °C, 5 °C steps, Vin = min to max, 0-105% load
85 °C, 95% RH, 1000 hours, continuous Vin applied except 5 min/day
MIL-STD-883, method 2003
5
5
15 pins
2
Solderability
Altitude
70,000 feet (21 km), see Note
Note: A conductive cooling design is generally needed for high altitude applications because of naturally poor convective cooling at rare atmospheres.
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 6
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Technical Charts
100
95
90
85
80
75
70
65
60
30
25
20
15
10
5
48Vin 24Vout
24Vin 12Vout
48Vin 12Vout
24Vin48Vout
12Vin 24Vout
12Vin 48Vout
48Vin 24Vout
24Vin 12Vout
48Vin 12Vout
24Vin 48Vout
12Vin 24Vout
12Vin 48Vout
0
0
5
10
15
20
0
5
10
15
20
Load Current (A)
Load Current (A)
Figure 1: Efficiency at different output voltage vs. load current for different
Figure 2: Power dissipation at different output voltage vs. load current for
input voltage at 25°C.
different input voltage at 25°C.
21
18
15
12
9
1 µH
See Fig. 5
source
impedance
See Fig. 6
i
Dc-dc
C
i
S
VIN
VOUT
Converter
Tb=80 C; Vout=12 V
Tb=100 C; Vout=12 V
6
VSOURCE
100 µF
100mΩ ESR
tantalum
C*
Tb=80 C; Vout=24 V
Tb=100 C; Vout=24 V
Tb=80 C; Vout=48 V
Tb=100 C; Vout=48 V
3
0
capacitor
* See values for recommended external input capacitance.
Inductor optional as needed.
0
10
20
30
40
50
60
Input Voltage (V)
Figure 3: Maximum output power derating curve with a controlled baseplate
Figure 4: Test set-up diagram showing measurement points for Input Terminal
temperature of 80ºC and 100ºC.
Ripple Current (Figure 5), and Output Voltage Ripple (Figure 6).
Figure 5: Input Terminal Ripple Current at 36V input and rated load current
(500mA/div). Load capacitance: 100μF electrolytic cap. Bandwidth: 20MHz.
See Figure 4
Figure 6: Output Voltage Ripple at 36V input and rated load current (50mV/
div). Load capacitance: 100µF electrolytic cap.. Bandwidth: 20MHz. See Figure
4.
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 7
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Technical Charts
Figure 7: Turn-on transient at 36V input; full load (20ms/div). ON/OFF input
Figure 8: Turn-on transient at 36V input; zero load (20ms/div).ON/OFF input
(5V/div)Ch 1-4: Vout (10V/div)
(5V/div)Ch 1-4: Vout (10V/div)
2.00
1.50
1.00
0.50
0.00
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
5
10
15
20
0
5
10
15
20
25
Load (A)
CurrentLimit (A)
Figure 9: Imon pin voltage vs. load current at 24V input and 13.8V output. Load
Figure 10: Current limit vs. Itrim pin voltage at 24V input and 13.8V output.
capacitance: 100µF electrolytic cap. C option only.
Load capacitance: 100µF electrolytic cap. C option only.
Figure 11: Output voltage response for 36V input; 12V, 24V, 48V, 60V output
to step-change in load current (50-75-50% of Iout max; di/dt = 0.1A/µs). Load
cap: 100µF, 100mΩ ESR tant, Ch 1-4: Vout (2V/div); (5ms/div).
Product # NQ60x60QGx20
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ6060W Rev. K
02/11/14
Page 8
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Application Section
BASIC OPERATION AND FEATURES
PROTECTION FEATURES
These converters use a digital controller for the buck stage Input Under-Voltage Lockout:
The converter is
and the boost stage. It automatically changes operating mode designed to turn off when the input voltage is too low,
(buck or boost) when the line voltage or output set point which helps to avoid an input system instability problem
changes. Both stages are accomplished with synchronous (described in more detail in the application note titled “Input
rectifiers. Very high efficiency is maintained over wide input System Instability”). The lockout circuitry is a comparator
and output voltage ranges by the change in operational mode with DC hysteresis. When the input voltage is rising, it must
and the use of synchronous rectifiers.
exceed the typical Turn-On Voltage Threshold value (listed
on the specification 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.
The converter runs at a fixed frequency with a predictable
EMI performance.
Note: Since this converter supports a wide range of input and
output voltage, the current rating and current limit function
affect both input and output current, whichever is higher at
the time. When in buck mode, the output current is higher. In
boost mode the input current is higher.
Output Current Shutdown: To provide protection in an
output short condition, the unit is equipped with internal
short circuit protection. When the short circuit protection is
triggered, the unit first shuts down. After an approximately
16 ms inhibit time, the unit turns on again. If the short
circuit condition remains, the current limit circuit will control
the output current. The unit will operate normally once the
fault condition is removed.
CONTROL FEATURES
REMOTE ON/OFF: The On/Off input permits the user to
control when the converter is on or off. Only Negative ON/
OFF logic is available in this power module series.
The negative logic ON/OFF signal turns the module OFF when
it is high (leave the pin floating or set its voltage between
1.8~3.3 V) and turns the module ON when it is low (below
0.8V with respect to Vin-).
Internal Over-Voltage Protection (OVP): To protect
the load against an excessive output voltage, an output
over-voltage shutdown feature is included. This OVP is fixed
and independent of the output voltage set point.
OUTPUT VOLTAGE TRIM: The output voltage can be
Over-Temperature Shutdown: A temperature sensor
on the converter senses the average temperature of the
module. The over temperature 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.
programmed to any voltage between 0Vdc and V
by
rated
connecting one resistor between the Pin 6 (TRIM) pin and
Pin 5 [Sense(-)](S-version) or Pin 4 [Vout(-)](C-version). For a
desired output voltage, the value of the resistor is:
11830 x Vrated
_
R
Vtrim(Vout) =
(
Ω)
10912
+
V
0.0580 x V
rated
[( ) ]
trim
Alternatively, the TRIM pin can be driven from an external
voltage source:
Vtrim
Vpin6 = 2.366 – 2.316
Vrated
( )
Where, for both approaches:
Vtrim = desired output voltage setpoint
Vrated = rated output voltage
Vpin6 = trim pin voltage (when driven externally)
RVtrim = resistor value to set Vout
Note: To maintain the accuracy of the output voltage over
load current, it is vital that any trim resistor be connected to
the converter’s Sense(-) pin (for the S-option) or Vout(-) pin
(for the C-option), locally at the converter, not at a remote
location nearer to the load. A separate Kelvin connection to
the PCB pad for the Vout(-) is optimal for the C-option.
Product # NQ60x60QGx20
Phone 1-888-567-9596
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Doc.# 005-NQ6060W Rev. K
02/11/14
Page 9
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Application Section
APPLICATION CONSIDERATIONS
Negative output: This series of converters can be
connected to achieve a negative output from a positive
input as shown in Fig A.
Limited output voltage resolution: The internal voltage
control feedback loop is digital and has limited resolution.
Therefore, the output voltage will exhibit discrete steps as
the loop responds to changes in line, load, trim, or remote
sense. For instance, on close examination, the startup ramp
has a “stair-step” shape. Likewise, a load transient response
will be composed of multiple discrete steps.
Vin-/
Vout+
Vin+
Cin2
1
2
8
7
6
5
Vout+
SENSE+
TRIM
Vin+
Input filtering: These modules should be connected to a
low-impedance source. A highly inductive source can affect
the stability of the module. An input capacitor with an ESR
must be placed directly adjacent to the input pin of the
module to minimize input ripple voltage and ensure module
stability.
Cout1
Vout-
ENABLE
Cin1
DC-DC
Converter
SENSE-
RVtrim
3
4
Vin-
Vout-
Figure A: Negative output setup
See application note: Input System Instability
(http://www.synqor.com/documents/appnotes/appnt_System_Instability.pdf)
Using this negative output configuration impacts the available
Output capacitance: No extra external capacitor is
required. However, to reduce the output ripple and
improve dynamic response to a step load change additional
capacitance at the output can be used. Low ESR polymer
and ceramic capacitors are recommended to improve the
dynamic response of the module. The addition of external
output capacitance may cause the start-up time to change.
output voltage range and current limit.
The output voltage range becomes 0 to (Vmax - Vin), and
the current limit (for either the buck or boost modes) is
scaled by:
Vin
I
=
* I
rated
rated(neg)
(Vin + Vout)
Remote sense (S-option only): Vout remote sensing
is provided to achieve proper regulation at the load points
and reduce effects of distribution losses on output line. The
module can correct for a total of 10% drop in the output
lines. In the event of an open remote sense line, the
module will maintain regulation through an internal resistor
connection.
Current limit: The available power is limited by an output
current limit in buck mode (when Vin>Vout) and by an input
current limit in boost mode (when Vin<Vout).
for Vin >Vout:
I
= 1.2 x I
limit
max
for Vin < Vout:
Vin
I
= 1.2 x I
x
limit
max
( )
Vout
where I
max
= maximum rated output current
Product # NQ60x60QGx20
Phone 1-888-567-9596
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Doc.# 005-NQ6060W Rev. K
02/11/14
Page 10
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Application Section
Output current limit trim: The output current limit can
be set to any value between zero and I by choosing the
C-FEATURE
trimmable current limit (C-option)
In addition to voltage trim, the C-option offers an adjustable
SET
(Current
monitor/
rated
value of R
as follows:
Itrim
current limit trim and a current monitor I
not have remote sense.
pin. It does
mon
0.0469 Irated + Itrim
1.153 Irated - Itrim
RItrim
=
10200 - 10
(Ω)
[(
) ]
Zero back-drive current: The C-option includes an ideal
diode circuit in series with the Vout+ pin that prevents
reverse current flow. This enables applications such as
battery charging, current sharing, and current monitoring.
Where
I
I
= desired current limit setpoint
trim
= rated maximum converter current
rated
Alternatively, the I
voltage source:
pin can be driven from an external
trim
C-Option Connection
V
= 2.085(I
/I
) + 0.0953
DC-DC
Converter
(pin5)
trim rated
Vout+
Vin+
Cin
where I
is the desired current limit setpoint
trim
1
2
8
7
6
5
Vout+
Vin+
IMON
Note: It is possible to choose R
is greater than I
continuous operation above I
such as that I
trim
IMON
Itrim
Output
, but SynQor does not recommend
Cout
TRIM
ENABLE
rated
.
rated
ITRIM
Vout-
3
4
RItrim
Vin-
RVtrim
Note: When in boost-mode, the output current could still
be limited by the maximum current limit, I
the input current.
Vout-
Vin-
, applied to
OCL
Figure B: Current monitor/trimmable current limit setup
Current monitor: The I
mon
pin voltage tracks the output
Output voltage trim: The RV resistor increases the
output voltage, identical in function to the S-option (p.9).
trim
current, as shown in figure 9. Zero load current is 1.25V and
maximum rated load current is 1.83V. This pin has a 49.9
Ohm output impedance.
Output current limit: There are three levels of current
that must be understood when considering the term
“Output Current Limit” as listed below:
Imon
49.9Ω
1.25V
I
= over-current limit (from datasheet Output Charac-
OCL
teristics: Output DC Over Current Limit). This is a built in
Figure D: Current monitor circuit
fixed value of current at which the converter will limit.
I
I
= rated current of the converter (input or output)
rated
= desired output current limit
trim
Figure C shows the relationship among these three cur-
rents.
I
OCL
I
rated
I
trim
Figure C: Relationship of output current terms.
Product # NQ60x60QGx20
Phone 1-888-567-9596
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Doc.# 005-NQ6060W Rev. K
02/11/14
Page 11
9-60V
Input:
Outputs:
Current:
Package
0-60V
20A
Quarter-brick
Ordering Information
PART NUMBERING SYSTEM
ORDERING INFORMATION
The part numbering system for SynQor’s dc-dc converters
follows the format shown in the example below.
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.
Add “-G” to the model number for 6/6 RoHS compliance.
NQ 60 W 60
Q
G
C 20 N N S - G
6/6 RoHS
Options (see
Ordering Information)
Input
Voltage
Output
Voltage
Max Output
Current
Model Number
Output Current
Thermal Design
Performance Level
Package Size
Output Voltage
Mode (see Ordering Information)
Input Voltage
Product Family
NQ60w60QGx20yz-G
9-60V
0-60V
20A
The following options must be included in place of the w x y z
spaces in the model numbers listed above.
Options Description: x y z
Mode: w
Enable
Logic
Thermal Design
Pin Style
Feature Set
S - Standard
C - Current
monitor
C - Encased
K - 0.110"
N - 0.145"
T - Buck
N -
output /
Trimmable
current limit
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.
W - Buck / V - Encased
Boost with Flanged
Baseplate
Negative R - 0.180"
Y - 0.250"
Application Notes
A variety of application notes and technical white papers can
be downloaded in pdf format from our website.
Not all combinations make valid part numbers, please contact
SynQor for availability. See the Product Summary web page for
more options.
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
PATENTS
SynQor holds the following U.S. patents, one or more of which
apply to each product listed in this document. Additional patent
applications may be pending or filed in the future.
Initiative web page or e-mail us at rohs@synqor.com
.
5,999,417 6,222,742 6,545,890 6,577,109 6,594,159 6,731,520
6,894,468 6,896,526 6,927,987 7,050,309 7,072,190 7,085,146
7,119,524 7,269,034 7,272,021 7,272,023 7,558,083 7,564,702
7,765,687 7,787,261
8,023,290 8,149,597 8,493,751
Contact SynQor for further information and to order:
Phone: 978-849-0600
Toll Free:1-888-567-9596
Warranty
SynQor offers a three (3) year limited warranty. Complete warranty
information is listed on our website or is available upon request from SynQor.
Fax:
E-mail: power@synqor.com
Web: www.synqor.com
978-849-0602
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 # NQ60x60QGx20
Phone 1-888-567-9596
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Doc.# 005-NQ6060W Rev. K
02/11/14
Page 12
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