Datasheet
YR20.246
Y-Series
24-28V, 20A, DUAL REDUNDANCY MODULE
3. INPUT AND OUTPUT CHARACTERISTICS
Number of inputs - 2
Number of outputs - 1
Input voltage nom. DC 24-28V ±25%
Input voltage range - 18-35Vdc
Voltage drop, input to output typ. 0.1-0.5V at 2x5A, load share function dependent, see Fig. 3-1
typ. 0.2-0.5V at 2x10A, load share function dependent, see Fig. 3-1
typ. 0.24-0.5V at 2x12A, load share function dependent, see Fig. 3-1
Input current nom. 2x 0-12A continuous, ambient temperature < +45°C
nom. 2x 0-10A continuous, ambient temperature < +70°C
nom. 2x 17A
1)
for max. 5 seconds
max. 2x 700A for max. 1ms
Output current nom. 24A continuous, ambient temperature < +45°C
nom. 20A continuous, ambient temperature < +70°C
nom. 32.5A for max. 5 seconds
max. 26A in overload /short-circuit (voltage < 6V). Ensure that the
sum of input currents does not exceed this value.
Reverse current max. 1mA at 24V, per input, -40°C to +70°C
Reverse voltage max. 40Vdc voltage applied to the output, continuously allowed
Output capacitance typ. 320μF
1) The average value (R.M.S. value) of the output current must not exceed the values of the continuous output current.
Fig. 3-1 Input to output voltage drop Fig. 3-2 Test setup for voltage drop measurements
V
A
Power
Supply
24V, 12A
+
-
V
A
I
1
I
2
U
1
U
2
I
1
I
2
=
U
2
U
1
= Voltage Drop
U
1
=
U
OUT
-
Output
A
V
I
OUT
U
OUT
Variable
Load,
0-24A
YR20.246
Input 1
Input 2
Output
Power
Supply
24V, 12A
+
-
Voltage Drop, typ
0mV
5A 15A
100mV
200mV
300mV
400mV
500mV
20A10A
Output:
2x5A2x2.5A
Input:
2x10A2x7.5A
0
0
600mV
25A
2x12.5A
Input / Output Current
Depending on
Load Share
Regulation
25°C
60°C
Jul. 2017 / Rev. 1.4 DS-YR20.246-EN All parameters are typical values specified at 24V, 20A output current, 25°C ambient and
after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany
4/19










