CPD SERIES - 250 WATT
OUTPUT SPECIFICATIONS
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Efficiency
Minimum Load; V1, V2, V3
Minimum Load, V3
Ripple and Noise
Output Power
Output Power
Overshoot /Undershoot
Regulation
Turn-on Delay
Initial Setting Accuracy
Full rated load, 48 VDC Input.
Minimum load required to maintain regulation with no load on V4.
Minimum load on V3 required to maintain regulation on V4.
Full load, 20 MHz bandwidth.
250 LFM forced-air cooling.
400 LFM forced-air cooling.
Output voltage overshoot/undershoot at turn-on.
Varies by output. Total regulation includes: line changes over the specified
input range, changes in load starting at 50% load and changing to 100% load.
Time required for initial output voltage stabilization.
80
None
50% OF V4 Load
See Model Selection Chart
200
250
0
See Model Selection Chart
150
±1
%
A
A
W
W
%
ms
%
INTERFACE SIGNALS AND INTERNAL PROTECTION
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Overvoltage Protection
Overload Protection
Overtemperature Protection
Power Fail (FAL#)
Latch style overvoltage protection.
120
130
Fully protected against output overload and short circuit. Automatic recovery upon removal of overload condition.
System shutdown due to excessive internal temperature, automatic reset.
TTL compatible signal, open collector active low signal. Indicates any output below
90% and/or a low input <36VDC.
Current Share
Accuracy of shared current with up to 6 parallel units. Single wire current share on V1, V2, and V3.
10
Remote Sense
Available on V1, V2, and V3. Total voltage compensation for cable losses with
150
respect to the main output.
Inhibit (INH#)
TTL-compatible signal inhibited with GND or TTL "0".
Enable (EN#)
Contact closure to external ground to start unit. On shortest pin (last make, first break).
Overtemperature Warning (DEG#) Provides warning when power supply temperature exceeds rating. TTL-compatible open.
Front Panel LED Status Indicators
Input OK (Green), Output Failure (Red).
%Vnom
%
mV
SAFETY, REGULATORY, AND EMI SPECIFICATIONS
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Agency Approvals
Dielectric Withstand Voltage
Electromagnetic Interference
ESD Susceptibility
Radiated Susceptibility
EFT/Burst
Input Surge
Conducted Disturbance
Insulation Resistance
UL1950.
cUL1950.
EN60950 (TÜV).
Input to Output per EN60950.
EN55022 / CISPR 22 -
Conducted.
Radiated.
Per EN61000-4-2, level 4.
Per EN61000-4-3, level 3.
Per EN61000-4-4, level 3.
Per EN61000-4-5, level 3.
Per EN61000-4-6, level 2.
Input to Output.
Approved
4243
A
A
8
10
±2
1
2
3
10
VDC
Class
kV
V/M
kV
kV
V
M
Line to Line
Line to Ground
ENVIRONMENTAL SPECIFICATIONS
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Altitude
Operating Temperature
Storage Temperature
Relative Humidity
Shock
Vibration
Operating.
Non-Operating.
With 400 LFM forced-air cooling
Derate linearly above 50°C by 2.5% per °C.
Non-Condensing.
Peak acceleration.
Random vibration, 10 Hz to 2 kHz, 3 axis.
At 100% load:
At 50% load:
0
-40
5
10k
40k
50
70
85
95
20
6
ASL Ft.
ASL Ft.
°C
°C
°C
%RH
G
PK
G
RMS
2
POWER-ONE [ POWER-ONE ]
