Rev A

DCBOB3 SERIES

Up to 3 Watts, DC/DC Power Converters

07/24/2014

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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TECHNICAL SPECIFICATIONS: DCBOB3 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

Nom

Max

Unit

INPUT SPECIFICATIONS

Input Voltage Range

24VDC nominal input models

9

24

36

VDC

48VDC nominal input models

18

48

75

Input Surge Voltage (100ms max)

24VDC nominal input models

50

VDC

48VDC nominal input models

100

Input Reflected Ripple Current

Nominal Vin and full load

72

mAp-p

Input Current

See Table

Input Filter

Pi Type

Remote On/Off

Converter ON

Open or 3.5V < Vr < 12V

Converter OFF

Short to -Vin (Pin 2,3) or 0V < Vr < 1.2V

Sourcing Current of Remote Control Pin

Nominal Vin

0.2

mA

Idle Input Current (at Remote OFF State)

Nominal Vin

2.5

mA

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Voltage Accuracy

Full load and nominal Vin

-2

+2

%

Output Current

See Table

Minimum Load

See Table

Capacitive Load

See Table

Start-up Time

Nominal Vin and constant resistive load

400

ms

Line Regulation

LL to HL at full load

-0.5

+0.5

%

Load Regulation

Single output models

25% load to full load

-0.5

+0.5

%

Dual output models

Balanced output

-0.5

+0.5

Unbalanced load 25% to full load

-3.0

+3.0

Output Power

See Table

Ripple & Noise

20MHz bandwidth

60

mVp-p

Temperature Coefficient

-0.02

+0.02

%/°C

Transient Response Overshoot

di/dt=0.8A/µs

-5

+5

% of Vo

Transient Response Settling Time

50% load step change

1320

µs

PROTECTION

Over Voltage Protection

Zener diode clamp

3.3VDC output models

3.9

VDC

5VDC output models

6.2

12VDC output models

15

15VDC output models

18

Short Circuit Protection

continuous, automatic recovery

Over Load Protection

% of full load

120

%

GENERAL SPECIFICATIONS

Efficiency

Nominal input and full load

See Table

Isolation Voltage (Input to Output)

3000

VDC

Isolation Resistance (Input to Output)

500VDC

1

GΩ

Isolation Capacitance

270

pF

Switching Frequency

300

KHz

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature

With derating (see derating curve)

-40

+85

°C

Maximum Case Temperature

+100

°C

Storage Temperature

-55

+105

°C

Relative Humidity

5

95

% RH

Cooling

Free air convection

MTBF

2,530,000

hours

PHYSICAL SPECIFICATIONS

Case Material

Nickel-coated copper

Base Material

Non-conductive black plastic

Potting Material

Silicon rubber (UL94V-0)

Weight

0.61oz (17.2g)

Dimensions (L x W x H)

1.25 x 0.80 x 0.40 in

(31.75 x 20.32 x 10.16 mm)