YR40.242 Datasheet, PDF (5/17 Pages) PULS GmbH – DUAL REDUNDANCY MODULE

Y-Series
YR40.242
12-28V, 40A, DUAL REDUNDANCY MODULE
4. POWER LOSSES
Power losses
Standby power losses
DC 12V
DC 24V
typ.
1.6W
1.7W
input: 2x10A
typ.
5.8W
5.9W
input: 2x20A
typ.
2.3W
2.4W
input: 1x20A,
(only one input is connected to input voltage)
typ.
0.07W
0.15W
at no output current,
(only one input is connected to input voltage)
typ.
0.12W
0.23W
at no output current,
(both inputs are connected to input voltages)
Fig. 4-1 Power losses when both inputs draw equal current
Power Losses, typ.
7W
6.0
5.0
A... 25°C
B... 60°C
4.0
3.0
2.0
1.0
0
0 5 10 15
BA
Output Current
20 25 30 35 40A
QS20/
CPS20
24V,20A +
set to
24.5V
-
I1
A
V _U1
YR40.242
Input 1
Output
Output
IOUT
A
UOUT ^V
Variable
Load,
0-40A
QS20/
CPS20
24V,20A +
set to
24.5V
-
I2
A
V _U2
Input 2
I1 = I2
U1 = U2
Losses = ( U1* I1 + U2* I2 ) - UOUT* IOUT
Fig. 4-2 Power losses when only one input is used
Power Losses, typ.
4W
3.5
3.0
A... 25°C
B... 60°C
2.5
2.0
1.5
1.0
0.5
0
0 2.5 5 7.5
BA
Output Current
10 12.5 15 17.5 20A
QS20/
CPS20
24V,20A +
-
I1
A
V _U1
YR40.242
Input 1
Output
Output
IOUT
A
UOUT ^V
Variable
Load,
0-20A
Input 2
Losses = U1* I1 - UOUT* IOUT
Apr. 2014 / Rev. 1.1 DS-YR40.242-EN
All parameters are specified at 24V, 40A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted
www.pulspower.com Phone [phone] Germany
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