Wall Industries, Inc.

Rev F

DCHBW200 SERIES

165~240 Watts, Half-Brick DC/DC Power Converters

05/14/2013

Wall Industries, Inc. • 5 Watson Brook Road, 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: DCHBW200 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

Sync Pin Signal (See Note 2)

-0.3

5.6

VDC

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

Maximum output deviation is inclusive of remote sense

-20

+10

%

Remote Sense (See Note 3)

% 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

100

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

12Vout & 15Vout

100

125

With a 4.7μF/50V X7R MLCC

24Vout & 28Vout

200

250

Ripple & Noise (20MHz bandwidth)

With a 2.2μF/100V X7R MLCC

48Vout

300

350

mVp-p

Transient Response Recovery Time

25% load step change

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

3.0

12

Positive Logic (standard)

Referenced to –Input pin

DC/DC OFF

0

1.2

VDC

DC/DC ON

0

1.2

Negative Logic (optional)

Referenced to –Input pin

DC/DC OFF

3.0

12

VDC

Input Current of CTRL Pin

Nominal Vin

-0.5

1

mA

Remote OFF Input Current

Nominal Vin

3

mA

PROTECTION

Short Circuit Protection

hiccup, automatic recovery

Over Load Protection

% of rated Iout; hiccup mode

120

150

%

Over Voltage Protection

% of nominal Vout; hiccup mode

115

130

%

Over Temperature Protection

+120

°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).

6.1

Only mounted on iron base-plate

2.8

0.24” height heatsink

5.1

Thermal Impedance (See Note 4)

0.45” height heatsink

4.6

°C/W

Relative Humidity

5

95

% RH

Thermal Shock

EN61373, MIL-STD-810F

Vibration

EN61373, MIL-STD-810F

BELLCORE TR-NWT-000332 Case 1: 50% Stress, Ta=40°C

1,010,000

MTBF

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

74,160

hours