Rev B

DHW40 SERIES

40 Watts

DC/DC Power Converter

Single & Dual Outputs

1/9/2018

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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FEATURES

• RoHS & REACH Compliant

• 40 Watts Output Power

• 4:1 Ultra Wide Input Voltage Ranges

• Single & Dual Outputs

• Remote ON/OFF Control

• 1500VDC I/O Isolation

• High Efficiency up to 91%

• Under Voltage Lockout (UVLO)

• 2.0” x 1.0” x 0.4” Package Size

• Trimmable Output Voltage

• Shielded Metal Case with Isolated Base-plate

• High Power Density

• Over Load, Short Circuit, Over Voltage, and Over

Temperature Protection

• UL/cUL/IEC/EN 60950-1 Safety Approvals

• Heatsink (Optional)

DESCRIPTION

The DHW40 series is the latest generation of high performance DC/DC converters setting a new

standard concerning power density. These converters offer 40 Watts of continuous output power

in a 2.0” x 1.0” x 0.4” encapsulated, shielded metal package. The DHW40 series has single and

dual output models with 4:1 ultra wide input voltage ranges of 9-36VDC and 18-75VDC.

Advanced circuit topology provides a very high efficiency up to 91% and an operating

temperature range of -40°C to +80°C. Further features include remote on/off, trimmable output

voltage, under-voltage lockout as well as over load, over voltage, short circuit, and over-

temperature protection. These converters are RoHS compliant and are ideal for use in battery

operated equipment, instrumentation, distributed power architectures in communication and

industrial electronics and many other space critical applications.

Size: 2in x 1in x 0.40~0.43in

(50.8mm x 25.4mm x 10.2~11mm)

MODEL SELECTION TABLE

Single Output Models

Input Voltage

Range

Output

Voltage

Output Current

Input Current

Output

Power

Maximum

Capacitive Load

Efficiency

Over Voltage

Protection

Reflected

Ripple Current

Min Load Max Load No Load Max Load

DHW24S3.3-26

24VDC

(9~36VDC)

3.3VDC

0mA

8A

90mA

1.24A

26.4W

21000µF

89%

3.9VDC

30mA Typ.

DHW24S5-40

5VDC

0mA

8A

90mA

1.85A

40W

13600µF

90%

6.2VDC

DHW24S12-40

12VDC

0mA

3.33A

95mA

1.87A

40W

2400µF

89%

15VDC

DHW24S15-40

15VDC

0mA

2.67A

105mA

1.87A

40W

1500µF

89%

18VDC

DHW24S24-40

24VDC

0mA

1.67A

115mA

1.835A

40W

600µF

91%

30VDC

DHW48S3.3-26

48VDC

(18~75VDC)

3.3VDC

0mA

8A

55mA

620mA

26.4W

21000µF

89%

3.9VDC

20mA Typ.

DHW48S5-40

5VDC

0mA

8A

55mA

930mA

40W

13600µF

90%

6.2VDC

DHW48S12-40

12VDC

0mA

3.33A

60mA

930mA

40W

2400µF

90%

15VDC

DHW48S15-40

15VDC

0mA

2.67A

65mA

930mA

40W

1500µF

90%

18VDC

DHW48S24-40

24VDC

0mA

1.67A

75mA

918mA

40W

600µF

91%

30VDC

MODEL SELECTION TABLE

Dual Output Models

Model Number

Input Voltage

Range

Output

Voltage

Output Current

Input Current

Output

Power

Maximum

Capacitive Load

Efficiency

Over Voltage

Protection

Reflected

Ripple Current

Min Load Max Load No Load Max Load

DHW24D12-40

24VDC

(9~36VDC)

±12 VDC

±145mA

±1.67A

65mA

1.89A

40W

1200µF*

88%

±15 VDC

30mA Typ.

DHW24D15-40

±15 VDC

±110mA

±1.33A

65mA

1.89A

40W

750µF*

88%

±18 VDC

DHW48D12-40

48VDC

(18~75VDC)

±12 VDC

±145mA

±1.67A

45mA

950mA

40W

1200µF*

88%

±15 VDC

20mA Typ.

DHW48D15-40

±15 VDC

±110mA

±1.33A

45mA

950mA

40W

750µF*

88%

±18 VDC

* for each output