WPN20R

REV A

3/2000

Page 2

ORDERING INFORMATION

SPECIFICATIONS,ALLMODELS

Specifications are at T

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

INPUT

Voltage Range

9

12

18

18

24

36

33

48

75

Reflected Ripple Current

All Input Ranges

50

mApk-pk

INPUT CONTROL

Temperature Shutdown

Case

105

115

°C

Temperature Hysteresis

10

°C

Quiescent Standby Current

810

mA

Undervoltage Control

See Attached Plots

OUTPUT

ISOLATION

Rated Voltage

1500

Test Voltage

60Hz, 10 Seconds

1500

Resistance

10

GW

Capacitance

400

pF

Leakage Current

30

mArms

Rated Power

20

W

Voltage Setpoint Accuracy

±1.5

%

Temperature Coefficient

±0.005

%/°C

Line Regulation

Singles

High Line to Low Line

±0.1

%

Duals

High Line to Low Line

±0.5

%

Load Regulation

Singles

Mn Load to Nom. Load

±0.5

%

Duals

Mn Load to Nom. Load

±2.0

%

Ripple & Noise

Single Outputs

BW = 5Hz to 20MHz

60

100

mVp-p

Dual Outputs

BW = 5Hz to 20MHz

50

100

mVp-p

Output Adjust Range

See Attached Plots

Short Circuit and Overcurrent Protection

Continuous

Max Capacitive Load

550

mF/A

GENERAL

Switching Frequency

300

KHz

MTTF per ML-HDBK-217

Circuit Stress Method

Ground Benign

TA = +25° Unmodified Database

1,400,000

Hr

Package Weight

32

g

TEMPERATURE

Specification

Case

-40

+ 85

°C

Operation

Case

-40

+ 85

°C

Storage

-55

+125

°C

Logic Compatibility .............................................. Open Collector TTL

EC On .............................................................................. Open Circuit

EC Off ...................................................................................... < 0.7V

Shutdown Idle Current ............................................................... 8mA

REMOTE ON/OFF CONTROL

WPN20R XXYZZ

Device Family

20W Regulated DC/DC Unit

Model Number

xx = Input Range, e.g. 48V

y = Number of Outputs (S=single; D=dual)

zz = Output Voltage, e.g. ‘05’ for 5V