1000WFR Datasheet, PDF (1/3 Pages) Make-Ps – Single & Dual Output DC/DC Converter

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1000WFR series
Single & Dual Output
DC/DC Converter
FEATURES
• Compact 0.4 Inch Profile Package
• -25^oC to +71^oC Operating Temperature Range
• ±0.2% Line Regulation
• Short Circuit Protection
• Low Output Ripple and Noise
• ±0.5% Load Regulation
DESCRIPTIONS
The 1000WFR series is a family of 10W single and dual
output DC/DC converters that utilize a cost effective design
to achieve high levels of performance. Operating from wide
(2:1) input voltage ranges of 9 to 18, 18 to 36 or 36 to 72 Vdc;
providing outputs of 5, 9, 12, 15, ±12 or ±15 Vdc.
Standard features include an input Pi filter to reduce
reflected ripple current, efficiency as high as 80%, and
continuous output short circuit protection. Input/output
isolation is 500 Vdc minimum, output voltage accuracy is ±1%
and transient response is less than 500μSec.
OUTPUT CHARACTERISTICS
Min Typ Max Unit/Comments
Voltage & Current Ratings
See Model
Selection Guide
Output Voltage Accuracy
±1.0 %
Voltage Balance ( Dual
±1.0 %
Outputs)
Ripple & Noise (20 MHz BW)
10 mV RMS
100 mV Pk-Pk
Line Regulation
±0.2 %
Load Regulation
±0.5 %
Minimum Load
10
% of Full Load
Temperature Coefficient @FL
±0.02 % per ^oC
Short Circuit Protection
Continuous, Current
Limit
Short Circuit Restart
Automatic Recover
Transient Response
500 μSec.
INPUT CHARACTERISTICS
Input Voltage Range
Input Filter
Ripple Current
Reverse Voltage Protection
Unit/Comments
see Table 1
Pi Network Filter
see Model Selection Guide
Parallel Diode
TABLE 1 - INPUT VOLTAGE RANGE VS OUTPUT LOAD
Nominal
Input (VDC)
12
Input Voltage Range (VDC) at:
20% Load 40% Load 60% Load
8.6 - 20.4 8.75 - 19.7 8.8 - 18.5
100% Load
9.0 - 18.0
24
17.2 - 40.9 17.5 - 39.5 17.6 - 37.1 18.0 - 36.0
48
34.4 - 81.8 35.0 - 79.1 35.2 - 74.2 36.0 - 72.0
GENERAL CHARACTERISTICS
Switching Frequency
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Min Typ Max Unit/Comments
80
120
kHz
500
VDC, 1 minute
1000
Mohm, 500VDC
600
pF
>> B-100