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VSX40MD23 Datasheet(PDF) 2 Page - C&D Technologies

Part No. VSX40MD23
Description  40 WATT DUAL OUTPUT QUARTER BRICK DC/DC CONVERTER
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Maker  CANDD [C&D Technologies]
Homepage  http://www.cdpowerelectronics.com
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VSX40MD23 Datasheet(HTML) 2 Page - C&D Technologies

   
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VSX40MD23
REV E
5/02
Product: www.cdpowerelectronics.com
SPECIFICATIONS,ALLMODELS
Specifications are at T
CASE = +40°C nominal input voltage unless otherwise specified.
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
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
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
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
2.450
2.510
Vdc
3.3 (V1)
3.3 Vo,set
3.310
3.390
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
Output Short Ckt Current
(Max impedance across short circuit = 65m
Ω)
2.5 Vo
15
19
22
A
3.3 Vo
11
13.2
17
A
Efficiency (Vi=48V, Io
2=8A,Io3=6A, Tc=40°C)
η
88
89
_
%
Dynamic Response
(
∆Io/∆t=0.2A/µsec.Vi=48V, Tc=25°C, either O/P)
Load change of 50% Io max; at any operating
load up to Iomax or Pomax Peak Deviation
outside settling point
2
_
%Vo nom
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.


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