
Product # NQ40x40EGx08
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005406 Rev. C
07/14/10
Page 4
Input:
Outputs:
Current:
Package:
9 - 40V
0 - 40V
7.5A
Eighth-brick
Technical Specification
NQ40x40EGx08 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
0
60
V
Continuous
Operating
All
40
V
Continuous
Storage Temperature
All
-55
125
°C
Voltage at ON/OFF input pin
All
-0.5
5.5
V
RECOMMENDED OPERATING
Input Voltage Range
All
9
40
V
Turn on at 10V
Input Fuse Rating
All
10
A
Fast blow external fuse recommended
Input Current
7.5
A
Input current max equals output rated current
External Input Capacitance
All
100
F
ESR < 1.5 Ω
Output Voltage
All
0
40
V
Output Current
All
0
7.5
A
Output voltage dependent
INPUT CHARACTERISTICS
Input Under-Voltage Lockout
Turn-On Voltage Threshold
All
9.2
9.5
10
V
Turn-Off Voltage Threshold
All
8.1
8.5
8.9
V
Lockout Hysteresis
All
1.0
V
Input Current Limit
All
9
A
No-Load Input Current
12
75
mA
“
24
35
mA
“
36
100
mA
Disabled Input Current
All
30
mA
Input Filter Components Value (C\L\C)
All
3.3\1.5\13.2
F\H\F
OUTPUT CHARACTERISTICS
Output Voltage Range
All
0
40
V
Set output by Rtrim resistor
Operating Output Current Range
All
0
7.5
A
Output Voltage Regulation
Total Output Voltage Range
All
320 mV +4%*Vout
Sense pin, over sample, line, load, temp. & life
Output Voltage Ripple and Noise (pk-pk/36Vin)
12
20
mV
24 Vin Full Load; 100uF; 20 MHz b.w.
“
24
20
mV
"
“
36
75
mV
Output DC Over Current limit
All
9
A
Effective on input, output condition
External Output Capacitance
All
0
2000 F
ESR > 1 mΩ
C Option: Isense voltage
No load
All
1.25
V
Full load
All
1.54
V
7.5 A load
Output resistance of Isense
All
10
kΩ
C Option: Itrim voltage
Voltage at no load
All
0.12
V
Voltage at maximum load
All
2.12
V
7.5 A load
Pull-Up Resistance of Itrim Pin
All
10.2
kΩ
Pull-Up Voltage
All
2.5
V
C Option: Reverse Current
All
2
A
Enabled or Disabled
EFFICIENCY
100% Load; 24 Vin
12
94
%
“ ; 24 Vin
36
96
%
W mode only
50% Load; 24 Vin
12
94
%
“ ; 24 Vin
36
96
%
W mode only