Rev A

DCMFW03 SERIES

3 Watts

DC/DC Converter

Single and Dual Output

2/3/2017

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

All specifications are based on 25°C, Resistive Load, Nominal Input Voltage, and Rated 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

See Table

Input Surge Voltage (1 Sec. Max)

5V Input Models

-0.7

12

VDC

12V Input Models

-0.7

25

24V Input Models

-0.7

50

48V Input Models

-0.7

100

Start-Up Threshold Voltage

5V Input Models

4.5

VDC

12V Input Models

9

24V Input Models

18

48V Input Models

36

Short Circuit Input Power

All Models

0.5

W

Input Filter

Internal Capacitor

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Voltage Accuracy

±1.5

%Vnom.

Line Regulation

Vin=Min to Max @Full Load

±0.2

%

Load Regulation

Io=0% to 100%

±1.0

%

Output Voltage Balance

Dual Output, Balanced Loads

±2.0

%

Cross Regulation (Dual)

Asymmetrical Load 25%/100% FL

±5.0

%

Output Power

See Table

Output Current

See Table

Minimum Load

No Minimum Load Requirement

Maximum Capacitive Load

See Table

Ripple & Noise

0-20MHz Bandwidth

70

mVp-p

Transient Recovery Time

25% Load Step Change

250

500

µsec

Transient Response Deviation

25% Load Step Change

±3

±5

%

Temperature Coefficient

±0.01

±0.02

%/ºC

PROTECTION

Short Circuit Protection

Continuous, Automatic Recovery

Over Load Protection

Foldback

170

%

ENVIRONMENTAL SPECIFICATIONS

Operating Ambient Temperature

Natural Convection

-40

+80

ºC

Storage Temperature

-50

+125

ºC

Case Temperature

+95

ºC

Humidity

Non-Condensing

95

%RH

Lead Temperature

1.5mm from case for 10Sec.

260

ºC

Cooling

Natural Convection

MTBF (Calculated)

MIL-HDBK-217F@25ºC, Ground Benign

3,450,000

Hours

GENERAL SPECIFICATIONS

Efficiency

See Table

Switching Frequency

100

KHz

Isolation Voltage

60 Seconds

1500

VDC

1 Second

1800

Isolation Resistance

500VDC

1000

M

Ω

Isolation Capacitance

100KHz, 1V

100

pF

PHYSICAL SPECIFICATIONS

Weight

0.14oz (3.9g)

Dimensions (L x W x H)

0.55in x 0.55in x 0.31in

(14mm x 14mm x 8mm)

Case Material

Non-Conductive Black Plastic

(Flammability to UL 94V-0 rated)

Pin Material

Tinned Copper

SAFETY CHARACTERISTICS

Safety Approvals

UL/cUL 60950-1 Recognition (UL Certificate), IEC/EN60950-1 (CB-Report)

EMI

Conduction & Radiation

EN55022, FCC Part 15

EMS

EN55024

ESD

EN61000-4-2

Air ±8kV, Contact ±6kV

A

Radiated Immunity

EN61000-4-3

10V/m

A

Fast Transient

±2kV

A

Surge

±1kV

A

Conducted Immunity

EN61000-4-6

10Vrms

A

PFMF

EN61000-4-8

3A/M

A