Wall Industries, Inc.

Rev B

DCHBW100 SERIES

82.5~100.8 Watts, Half-Brick DC/DC Power Converters

04/30/2014

Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

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SPECIFICATIONS: DCHBW100 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

3.3Vout & 5Vout

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 (1sec, max.)

110VDC nominal input models

185

VDC

Input Current

No Load

See Table

Input Filter (See Note 1)

Pi type

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Voltage Accuracy

-1.0

+1.0

%

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 Adjustability (See Note 6)

Maximum output deviation is inclusive of remote sense

-20

+10

%

Remote Sense (See Note 2)

% of nominal Vout

10

%

Output Power

See Table

Output Current

See Table

Minimum Load

0

%

Maximum Capacitive Load

Minimum input and constant resistive load

See Table

With a 1µF/25V X7R MLCC and a 22µF/25V POS-CAP

3.3Vout & 5Vout

75

With a 1µF/25V X7R MLCC and a 22µF/25V POS-CAP

12Vout & 15Vout

100

With a 4.7µF/50V X7R MLCC

24Vout & 28Vout

200

Ripple & Noise (20MHz bandwidth)

With a 2.2µF/100V X7R MLCC

48Vout

300

mVp-p

Transient Response Recovery Time

25% load step change

200

250

µs

Power Up

75

Start-Up Time

Constant resistive load

Remote On/Off

75

ms

Temperature Coefficient

-0.02

+0.02

%/°C

REMOTE ON/OFF CONTROL

DC/DC ON

Open or 3 ~ 12VDC

Positive Logic (standard)

Referenced to –Input pin

DC/DC OFF

Short or 0 ~ 1.2VDC

DC/DC ON

Open or 3 ~ 12VDC

Negative Logic (optional)

Referenced to –Input pin

DC/DC OFF

Short or 0 ~ 1.2VDC

Input Current of CTRL Pin

Nominal Vin

-0.5

1

mA

Remote OFF Input Current

Nominal Vin

3

mA

PROTECTION

Short Circuit Protection

Continuous, automatic recovery

24VDC & 48VDC Input Models

120

150

Over Load Protection

% of rated Iout; hiccup mode

110VDC Input Models

150

%

Over Voltage Protection

% of nominal Vout; hiccup mode

115

130

%

Over Temperature Protection

+115

°C

ENVIRONMENTAL SPECIFICATIONS

Operating Case Temperature

Base-plate

-40

+115

°C

Terminal block types

-40

+105

Storage Temperature

Others

-55

+125

°C

Vertical direction by natural convection (20LFM)

Module without assembly options

6.7

0.24” height heatsink

5.4

Thermal Impedance (See Note 3)

0.45” height heatsink

4.7

°C/W

Relative Humidity

5

95

% RH

Thermal Shock

MIL-STD-810F

Shock

EN61373, MIL-STD-810F

Vibration

EN61373, MIL-STD-810F

MTBF

MIL-HDBK-217F Ta=25°C, full load (G/B, controlled environment)

408,700

hours