MPD-425V
250W DC-DC Power Supply
Input Range: 40~57VDC
2.0
11.0
TO SWITCH
Industrial Power Supply
0.42
0.35
0.4
DC OUTPUT
WIRES
14.4
14.0
DC-DC
0.5
13.8
4-TAPPING #6-32
6.4
2.7
1.6
0.5
11.5
Features
*Input Voltage:
40~57VDC
*Input Current:
Max. 8A at 48VDC
*Inrush Current:
Does not exceed 10A at 48VDC input, cold
start at 25
o
C
*Ripple and Noise:
< +/-1% peak to peak ripple and noise for
each output
*Line Regulation:
< +/-1% at rated load with +/-10% change
in input voltage
*Load Regulation:
+/-4% for +5V, +/-5% for +12V, +/-3%
for -12V and -5V
*Power Good Signal:
Goes high 100~500ms after all DC
output are ready
*Power Failure:
Goes low 1ms before any DC output falls
*Efficiency:
70% typical at nominal line and rated load
*Altitude:
10,000 feet
*Protection:
Input: Protection against wrong polarity if 48VDC input is
inversely connected by mistake
Output: Built-in over voltage protection. Trip point of crowbar
circuit is between 5.9~7.0V. Hiccup mode against short circuit
or over load conditions auto recovery when faulty conditions
are removed
*Temperature:
0~+50
o
C (operating); -40~+75
o
C (storage)
*Humidity:
5~95%; non-condensing at 40
o
C (operating)
*Connectors:
Input: Three positions terminal block
DC Output: Output provides one AT type P8/P9 and two disk
drive connector
To Switch: Female disconnects for tab size 0.250" x 0.032"
*Dimensions:
14.0 x 15.0 x 8.62 cm with +/-0.8mm and +/-
0.4mm tolerance between mounting holes
*MTBF:
178,042 hrs.
Safety Standards
*Safety:
UL 1950 / CSA 22.2 No.234 / VDE EN60950
*EMI:
FCC class B / EN55022B
*EMS:
Level 3 of IEC-801, 802
PIN
Red
Yellow
Brown
Blue
Black
White
Output
+5V
+12V
-12V
-5V
GND
P.G.
Rated
Load
25A
10A
1A
1A
PIN
1
2
3
Input
48VDC
0V
GND
Output Min.
Voltage Load
+5V
1A
+12V
0A
-12V
0A
-5V
0A
Max.
Load
30A
12A
2A
2A
Tolerance
+/-0.1V
+/-0.72V
+/-0.6V
+/-0.25V
www.boser.com.tw
0.6
4.8
2.4
8.0
8.62
BOSER [ BOSER TECHNOLOGY CO., LTD ]
