參數(shù)資料
型號(hào): VSX40MD23
元件分類: 電源模塊
英文描述: 2-OUTPUT 40 W DC-DC UNREG PWR SUPPLY MODULE
文件頁數(shù): 2/4頁
文件大小: 110K
代理商: VSX40MD23
Page 2
C&D Technologies
Product Data Sheet
9/1999; Rev B 7/2000; Rev C 8/2001
VSX40MD23 40 W 2.5 Volt & 3.3 Volt
Dual Output dc/dc Converters
Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Unit
Input Voltage:
VSX40MD23
Vi
100
Vdc
I/O Isolation Voltage
1500
Vdc
I/P to case
1500
Vdc
O/P to case
200
Vdc
Operating Case Temperature
Tc
-40
100
°C
Output Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Output voltage (Note 1)
(Over all conditions of I/P voltage, load
and temperature)
2.5 Vout (V2)
2.5 Vo
2.375
_
2.555
Vdc
3.3 Vout (V1)
3.3 Vo
3.225
_
3.450
Vdc
Output Voltage Setpoint
(Vi=48, Io
2=9A, Io 3=6A, Tc=25°C)
2.5 (V2)
2.5 Vo,set
2.465
2.490
Vdc
3.3 (V1)
3.3 Vo,set
3.335
3.368
Vdc
Output Ripple and Noise Voltage
(peak-to-peak, 100 MHz BW)
2.5 (V2)
_
60
mv p-p
3.3 (V1)
_
80
mv p-p
Output Current
(Total module O/P power should not
exceed 40 Watts)
2.5 (V2)
Io
2
_
16
A
3.3 (V1)
Io
3
_
12.12
A
Output Current Limit Inception
(Vo=95% of Vo nom)
2.5 (V2)
Io
2cli
16.8
18.5
21.0
A
3.3 (V1)
Io
3cli
12.7
14.0
15.9
A
NOTE: 1. Worst case voltage conditions occur with full load drawn from one output only, zero being drawn
from the other. For worst case voltages at less extreme loading conditions, consult the factory.
Electrical Characteristics - Unless otherwise indicated, specifications apply over all conditions of line, load and
at TC = +400C.
Input Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
VSX40MD23
Vi
36
48
75
Vdc
Maximum Input Current
(Vi=0V to Vi max, Io=Io max)
VSX40MD23
Ii max
_
1.5
A
I/P Reflected Ripple Current
_
260
mA p-p
No Load Input Current
IiNL
35
mA
On/Off Activated Input Current
IiQ
20
mA
Under any conditions, the voltage of V1 will always be greater or equal to that of V2.
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