cPCI325D SERIES
325 Watt, 3U x 8HP CompactPCI™
OBSOLETE PRODUCT
Contact factory for replacement model
SELECTION GUIDE
Output Current
Model Number
Power
Production Status
5V
3.3V 12V -12V
cPCI325D-1
325W
325W
30A
30A
40A
40A
5A
5A
1A
1A
Consult Factory
No
cPCI325D-1C
Active
Yes
FEATURES
ꢀ3U x 8HP
INPUT CHARACTERISTICS
Parameter
ꢀ36-75 VDC Input range
ꢀ325 watt continuous output power
Conditions
Min
36
Typ
<8
Max
75
Units
Vdc
APK
Input operating voltage
Input voltage withstand
Inrush current
34
75
ꢀComplies with PICMG 2.11 R1.0 with 47
36-72VDC input, full load
Pin I/O connector
A shunt diode across the input clears the input fuse in the event that the input polarity
is reversed.
Input reverse polarity
ꢀHot-swap capable
ꢀNo minimum load
ꢀOutputs individually protected against
OUTPUT CHARACTERISTICS
overloads; automatic recovery
Rated Output Current (IOUT
)
Total
Output
ꢀIPMI functionality
Output Number
Rated Output Voltage (VOUT)
Regulation1
ꢀOperating temperature 0ºC-50ºC
ꢀFull power with 200lfm airflow
Min
Typ
Max
V1
+5.0Vdc
+3.3Vdc
+12Vdc
-12Vdc
30A
40A
5.0A
1.0A
Max
0.02
50
+4/ -2%
4%
V2
0A
V3
V4
DESCRIPTION
Parameter
Conditions
Min
Typ
Units
%/ºC
The cPCI325D Series is a high-reliability, 325 watt
power supply for 3U Compact PCI™ systems.
Developed to support hot-swap, redundant
operation, the cPCI325D Series is designed for
compliance with PICMG™ 2.11 R1.0 Power
Interface Specification with 47-pin I/O connec-
tor. With integral IPMI functionality, this unit was
developed with high-availability (HA) telecommu-
nications applications in mind. Current sharing and
integral ORing FETs are included to support these
and other applications requiring reliable, hot-swap
performance and N+1 redundant configuration.
The high power density and complement of global
agency approvals provide for an advanced, high-
efficiency power solution for your CompactPCI™
system requirements.
Temperature Coefficient
20MHz bandwidth V1, V2
20MHz bandwidth V3, V4
50ºC MAX. temp., 200 Ifm
48VDC input, full load
Output Ripple & Noise
mVp-p
120
80
240
325
Output Power
Efficiency
W
%
Peak deviation (50-100% & 100-50% step)
Settling time (within 1% VOUT NOM)
All outputs
5
500
135
%
Transient Response
μs
Over-Voltage Protection
Minimum Load
125
4
% Vnom
A
All outputs
0
Holdup time
From -54VDC input
msec
Outputs are individually protected against overloads and indefinite short circuit with
automatic recovery upon removal of the fault condition. Overload response for outputs
V1-V3 is constant-current mode, with hiccup mode response to a hard short. Overload
response for V4 is linear foldback.
Outputs V1-V3 are capable of compensating >250mV of line drop. Unit automatically
reverts to local sensing in the event that the sense leads are opened for any reason. Unit
is protected against reversed or shorted sense leads.
Overload Protection
Remote Sense
Current Share
Active droop current sharing on Outputs V1-V3. Accuracy better than 10% of maximum
rated load. Passive current sharing on output V4. Up to 8 units can be operated in a
parallel array.
1. Total regulation includes line, load and cross regulation.
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