NQ20X20QGC40 Datasheet, PDF (3/9 Pages) SynQor Worldwide Headquarters – Quarter-brick DC-DC Converter

Technical Specification
Input: 10 - 20 V
Outputs: 0 - 20 V
Current: 40 A
Package: Quarter-brick
NQ20x20QGC40 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
Vout Min. Typ. Max. Units Notes & Conditions
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
All
Operating
All
Storage Temperature
All
Voltage at ON/OFF input pin
All
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
All
Input Fuse Rating
All
Input Current
External Input Capacitance
All
Output Voltage
All
Output Current
All
INPUT CHARACTERISTICS
Input Under-Voltage Lockout
Turn-On Voltage Threshold
All
Turn-Off Voltage Threshold
All
Lockout Hysteresis
All
Input Current Limit
All
No-Load Input Current
12
“
24
“
48
Disabled Input Current
All
Input Filter Components Value (C\L\C)
All
OUTPUT CHARACTERISTICS
Output Voltage Range
All
Operating Output Current Range
All
Output Voltage Regulation
Total Output Voltage Range
All
Output Voltage Ripple and Noise (pk-pk/36Vin) 5
“
12
“
20
Output DC Over Current limit
All
External Output Capacitance
All
C Option: Isense voltage
No load
All
Full load
All
Output resistance of Isense
All
C Option: Itrim voltage
Voltage at no load
All
Voltage at maximum load
All
Pull-Up Resistance of Itrim Pin
All
Pull-Up Voltage
All
C Option: Reverse Current
All
TEMP LIMITS FOR POWER DERATING
Semiconductor Junction Temperature
All
Board Temperature
All
Baseplate Temperature
All
EFFICIENCY
100% Load; 24 Vin
12
“ ; 48 Vin
5
“ ; 24 Vin
20
50% Load; 24 Vin
12
“ ; 48 Vin
5
“ ; 24 Vin
20
0
30
V Continuous
20
V Continuous
-55
125
°C
0
5.5
V
9
20
V Turn on at 10V
40
A Fast blow external fuse recommended
40
A Input current max equals output rated current
100
µF ESR < 1.5 Ω
0
20
V
0
40
A Output voltage dependent
9.2
9.5
10
V
8.1
8.5
8.9
V
1.0
V
48
A
175
mA
135
mA
300
mA
60
mA
40\0.47\120
µF\µH\µF
0
20
V Set output by Rtrim resistor
0
40
A
±160 mV ±4%*Vout
15
15
40
48
0
5000
Sense pin, over sample, line, load, temp. & life
mV 12 Vin Full Load; 100uF; 20 MHz b.w.
mV
"
mV
A Effective on input, output condition
µF ESR > 1 mΩ
1.25
V
1.83
V 40 A load
10
kΩ
0.12
V
2.12
V 40 A load
10.2
kΩ
2.5
V
2
µA Enabled or Disabled
125
°C Package rated to 150 °C
125
°C ULrated max operating temp 130 °C
100
°C
94
%
88
%
94
% W mode only
95
%
91
%
95
% W mode only
Product # NQ20x20QGC40
Phone [phone]
www.synqor.com
Doc.# 005-NQ2020W Rev. B 03/06/09
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