INPUT SPECIFICATIONS
Parameter
Operating input voltage range
Conditions
Min.
9.5
18
Typ.
12
24
48
6
Max.
18
36
Unit
12Vin(nom)
24Vin(nom)
48Vin(nom)
12Vin(nom)
24Vin(nom)
48Vin(nom)
VDC
36
75
Input fuse (slow blow)
6
A
4
In-rush current
15
15
A
Input reflected ripple current
Start up voltage
Nominal input and Full load
mAp-p
12Vin(nom)
24Vin(nom)
48Vin(nom)
12Vin(nom)
24Vin(nom)
48Vin(nom)
Power up
9.5
18
36
VDC
Shutdown voltage
8
16
33
100
25
VDC
ms
Start up time
Nominal input and
Constant resistive load
100ms, max.
Remote ON/OFF
12Vin(nom)
24Vin(nom)
48Vin(nom)
Positive logic
Input surge voltage
36
50
VDC
100
Remote ON/OFF
Referred to –Vin pin
DC-DC ON
DC-DC OFF
Open or 3 ~ 12VDC
Short or 0 ~ 1.2VDC
Input current of Ctrl pin
Remote off input current
-0.5
0.5
2.5
mA
mA
OUTPUT SPECIFICATIONS
Parameter
Voltage accuracy
Conditions
Min.
-1.5
-1.0
-0.5
-1.5
-1.0
-5.0
-3
Typ.
Max.
+1.5
+1.0
+0.5
+1.5
+1.0
+5.0
+17
Unit
%
3.3Vout
Others
Line regulation
Load regulation
Low Line to High Line at Full Load
No Load to Full Load
%
%
3.3Vout
Others
Cross regulation
Asymmetrical load 25%/100% FL
Single output
Dual
%
%
Voltage adjustability
28Vout
-10
+10
Others
Ripple and noise
Measured by 20MHz bandwidth
Single
Dual
3.3Vout, 5Vout
12Vout, 15Vout
24Vout, 28Vout
All
50
75
mVp-p
100
100
Temperature coefficient
-0.02
+0.02
%/
Transient response recovery time
Over voltage protection
25% load step change
Zener diode clamp
300
3.9
6.2
15
µs
3.3Vout
5Vout
12Vout
15Vout
24Vout
28Vout
VDC
18
30
36
Output indicator
Green LED
150
Over load protection
Short circuit protection
% of Iout rated; Hiccup mode
%
Continuous, automatics recovery
GENERAL SPECIFICATIONS
Parameter
Isolation voltage
Conditions
Min.
1600
1600
1
Typ.
Max.
Unit
1 minute
500VDC
Input to Output
Input (Output) to Chassis
VDC
Isolation resistance
Isolation capacitance
Switching frequency
Safety meets
GΩ
pF
4000
330
270
300
kHz
UL60950-1
EN60950-1
IEC60950-1
Aluminum
Chassis material
Weight
170g (5.98oz)
9.229 x 105 hrs
MTBF
MIL-HDBK-217F, Full load
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2
2014/4/30