Rev. D

DCHBW150 Series

4:1 Input Voltage Ranges

132~182 Watts, Single Outputs

Half-Brick DC/DC Power Converters

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

11/08/2012

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 2 of 8

SPECIFICATIONS: DCHBW150 SERIES

All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.

We reserve the right to change specifications based on technological advances.

SPECIFICATION

TEST CONDITIONS

Min

Typ

Max

Unit

INPUT SPECIFICATIONS

3.3 & 5VDC models

9

24

36

24VDC nominal input models

Others

8.5

24

36

48VDC nominal input models

16.5

48

75

Input Voltage Range

110VDC nominal input models

43

110

160

VDC

24VDC nominal input models

9

48VDC nominal input models

18

Start-up Voltage

110VDC nominal input models

43

VDC

24VDC nominal input models

7.3

8.1

48VDC nominal input models

15.5

16.3

Shutdown Voltage

110VDC nominal input models

33.0

36.0

VDC

24VDC nominal input models

50

48VDC nominal input models

100

Input Surge Voltage (1 sec)

110VDC nominal input models

185

VDC

Input Current

No Load

See Table

-0.3

5.6

VDC

Pi Type

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Line Regulation

Low line to high line at full load

-0.1

+0.1

%

Load Regulation

No load to full load

-0.1

+0.1

%

Voltage Accuracy

Full load an nominal Vin

-1

+1

%

-20

+10

%

Output Power

See Table

Output Current

See Table

Minimum Load

0

%

Ripple & Noise (peak to peak)

20MHz Bandwidth

See Table

Transient Response Recovery Time

25% load step change

250

µs

Power Up

75

ms

Start-Up Time

Remote On/Off

Nominal input and constant resistive load

75

ms

10

% Vo

Temperature Coefficient

-0.02

+0.02

%/°C

PROTECTION

Over Voltage Protection Threshold

Hiccup

115

130

% Vo

Over Current Protection Threshold

120

150

% Io

Short Circuit Protection

Hiccup, automatic recovery

Over Temperature Protection

+120

°C

GENERAL SPECIFICATIONS

Efficiency

Nominal input voltage and full load

See Table

Switching Frequency

225

250

275

KHz

I/P to O/P (Basic Insulation) For 1 minute

2250

VDC

I/P to Case

For 1 minute

1600

VDC

Isolation Voltage

O/P to Case

For 1 minute

1600

VDC

Isolation Resistance

1

GΩ

Isolation Capacitance

2500

pF

Maximum Capacitive Load

Minimum input and constant resistive load

See Table