Datasheet

Isolated DC/DC Converter Specification
Model No.:WGI20-48S05L
Shenzhen Wengao Electronic Co., Ltd reserves the copyright and right of final interpretation.
Electrical Specifications
Conditions: TA = 25°C (77°F), Airflow = 1.0 m/s (200 LFM), Vin = 48 V, Vout = 5 V , unless otherwise specified.
Parameter
Min.
Typ.
Max.
Units
Remarks
Absolute maximum ratings
Operating ambient
temperature
-40
-
+55
°C
Shell ambient
temperature
-40
-
80
°C
Storage temperature
-55
-
100
°C
Operating humidity
5
-
95
%
Non-condensing
Atmospheric pressure
62
-
106
Kpa
Altitude
-
-
4000
m
Cooling way
-
-
-
Natural cooling
Input characteristics
Input voltage
36
48
75
V
-
Max. input voltage
-
-
78
V
Continuous
Undervoltage shutdown
30
31.5
35
V
Automatic recovery
Undervoltage recovery
31
34
36
V
Automatic recovery
Max. input current
-
-
4
A
Vin = 36V; Iout = 20A
No load current
-
80
300
mA
Vin = 48V
Positive electrode cable
-
16
-
AWG
recommend
Negative electrode cable
-
16
-
AWG
recommend
Enable PIN cable
-
-
-
AWG
None
Fuse
-
7.5
-
A
Output characteristics
Efficiency
-
91
-
%
Vin = 48V; Iout = 20A
Output voltage
4.90
5.0
5.10
V
Vin = 48V; Iout = 20A
Regulator accuracy
-
±2
-
%
Voltage regulation
-
±2
-
%
Load Regulation
-
±2
-
%
Overvoltage protection
5.80
6.0
6.50
V
Hiccup mode
Output current
0
-
20
A
Overcurrent protection
21
23
27
A
External capacitance
0
1000
6000
µF
Output ripple and noise
-
30
150
mVp-p
Vin = 36–75 V;
Oscilloscope bandwidth: 20 MHz;
Output voltage rise time
-
8
20
mS
Boot delay time
-
30
60
mS
Out voltage overshoot
-
-
5
%
Over temperature
protection
-
-
85
°C
Shell temperature, @ 80°C Restore working
Short circuit protection
-
-
-
Long-term (4 hours) short circuit is not
damaged, Hiccup mode
Positive electrode cable
-
14
-
AWG
recommend
Negative electrode cable
-
14
-
AWG
recommend