9 - 40 V
0 - 40 V
30 A
Input:
Outputs:
Current:
Package:
Quarter-brick
Technical Specification
NQ40x40QGC30 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
Operating
Storage Temperature
All
All
All
All
0
60
40
125
5.5
V
V
°C
V
Continuous
Continuous
-55
0
Voltage at ON/OFF input pin
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
All
All
9
40
40
30
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
40
30
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
36
185
85
330
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)
“
13.2\1.0\39.6
All
All
0
0
40
30
V
A
Set output by Rtrim resistor
All
12
24
36
All
All
±320 mV ±4%*Vout
Sense pin, over sample, line, load, temp. & life
24 Vin Full Load; 100uF; 20 MHz b.w.
15
30
100
36
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
2000
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
Zero voltage
All
All
All
All
All
0.12
2.12
10.2
2.5
V
V
kΩ
V
Maximum voltage
Pull-Up Resistance of Itrim Pin
Pull-Up Voltage
20 A load
C Option: Reverse Current
TEMP LIMITS FOR POWER DERATING
Semiconductor Junction Temperature
Board Temperature
Baseplate Temperature
EFFICIENCY
2
µA
Enabled or Disabled
All
All
All
125
125
100
°C
°C
°C
Package rated to 150 °C
ULrated max operating temp 130 °C
100% Load; 24 Vin
“ ; 48 Vin
“ ; 24 Vin
50% Load; 24 Vin
12
24
36
12
24
36
92
95
94
94
95
95
%
%
%
%
%
%
W mode only
W mode only
“ ; 48 Vin
“ ; 24 Vin
Product # NQ40x40QGC30
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-NQ4040W Rev. B
03/09/09
Page 3
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