Rev A

DCMSW1 SERIES

1 Watt DC/DC Power Converters

12/17/2013

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: DCMSW1 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

Input Voltage Range

5VDC nominal input models

4.5

5

9

VDC

12VDC nominal input models

9

12

18

24 VDC nominal input models

18

24

36

48 VDC nominal input models

36

48

75

Input Surge Voltage (1sec, max.)

5VDC nominal input models

-0.7

15

VDC

12VDC nominal input models

-0.7

25

24 VDC nominal input models

-0.7

50

48 VDC nominal input models

-0.7

100

Start-Up Threshold Voltage

5VDC nominal input models

4.5

VDC

12VDC nominal input models

9

24 VDC nominal input models

18

48 VDC nominal input models

36

Input Current

See Table

Input Filter

capacitor

Input Fuse

5VDC nominal input models

500mA slow-blow type

12VDC nominal input models

250mA slow-blow type

24 VDC nominal input models

120mA slow-blow type

48 VDC nominal input models

60mA slow-blow type

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Output Voltage Setting Accuracy

Nominal input and half load

±1.0

%Vnom

Line Regulation

Low line to high line

±0.2

%

Load Regulation

Min load to full load

Single Output Models

±1.0

%

Dual Output Models

±1.0

10% load to 90% load

Single Output Models

±0.5

%

Dual Output Models

±0.8

Minimum Load

0

mA

Output Power

1

W

Output Current

See Table

Maximum Capacitive Load

See Table

Ripple & Noise

Measurement bandwidth is 0-20MHz

30

mVp-p

Transient Recovery Time

25% load step change

250

µs

Temperature Coefficient

±0.02

%/°C

PROTECTION

Short Circuit Protection

continuous

REMOTE ON/OFF CONTROL

Converter ON

Open or high impedance

Converter OFF

2~4mA current applied via 1K

Ω resistor

Standby Input Current

Supply Off & Nominal Vin

2.5

mA

GENERAL SPECIFICATIONS

Efficiency

Nominal input voltage and full load

See Table

Switching Frequency

220

KHz

Isolation Voltage (I/P to O/P)

60 seconds

1500

VDC

Isolation Resistance (I/P to O/P)

500VDC

1000

MΩ

Isolation Capacitance (I/P to O/P)

100KHz, 1V

50

pF

ENVIRONMENTAL SPECIFICATIONS

Operating Ambient Temperature

See derating curve

-40

+85

°C

Case Temperature

+95

°C

Storage Temperature

-50

+125

°C

Relative Humidity

Non-condensing

95

% RH

Cooling

Natural convection is about 20LFM but is not equal to still air (0LFM)

Free air convection (20LFM)

Lead Temperature

1.5mm from case for 10 sec.

260

°C

MTBF

MIL-HDBK-217F at 25°C, ground benign

2,800,000

hours

PHYSICAL SPECIFICATIONS

Weight

0.16oz (4.5g)

Dimensions (L x W x H)

0.74 x 0.54 x 0.33 inch (18.9 x 13.7 x 8.45

mm)

Case Material

Flammability to UL 94V-0 rated

Non-conductive black plastic

Pin Material

Phosphor bronze

SAFETY

Safety Approvals

CSA 60950-1 recognition, IEC/EN 60950-1 (CB-scheme) pending