Rev C

DCHBA2 SERIES

2 Watts

Medical Isolated DC/DC Power Converter

Non-Regulated 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

Page 3 of 7

SPECIFICATIONS

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

5.5

VDC

12VDC nominal input models

10.8

12

13.2

15VDC nominal input models

13.5

15

16.5

24VDC nominal input models

21.6

24

26.4

Input Filter

Capacitor

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Voltage Accuracy

Nominal Vin and Full Load

±5

%

Line Regulation

For Vin change of 1%

±1.5

%

Load Regulation

10% Load to Full Load

3.3V models

20

%

5V models

15

All other models

10

Output Power

2

W

Output Current

See Table

Minimum Load

0

A

Maximum Capacitive Load

See Table

Ripple & Noise (20MHz bandwidth)

200

mVp-p

Voltage Balance

Dual Output

±1

%

PROTECTION

Short Circuit Protection

1 Second

ENVIRONMENTAL SPECIFICATIONS

Operating Ambient Temperature

-40

+85

ºC

Storage Temperature

-55

+125

ºC

Maximum Case Temperature

+95

ºC

Relative Humidity

95

% RH

Reliability, calculated MTBF

2,000,000

hours

GENERAL SPECIFICATIONS

Efficiency

Nominal Input and Full Load

See Table

Switching Frequency

80

kHz

Isolation Voltage

Input to Output

Test duration 1 second

6400

VDC

Isolation Resistance

500VDC

10

G

Ω

Isolation Capacitance

10

pF

PHYSICAL SPECIFICATIONS

Weight

0.15oz (4.3g) typ.

Dimensions (L x W x H)

0.77in x 0.50in x 0.39in

(19.5mm x 12.5mm x 9.8mm)

Case Material

Plastic (UL94 V-0)

Potting Material

Epoxy (UL94 V-0)

SAFETY & EMC CHARACTERISTICS

Safety Approvals

IEC 60950-1

EN 60950-1

IEC 60601-1

EN 60601-1

NOTES

(1)

For 8KVDC I/0 isolation replace the “H6” suffix in the model number with “H8” (Ex. DCHBA2-12S12H8)

(2)

For each output.

(3)

Typical value tested at nominal input and full load.

*Due to advances in technology, specifications are subject to change without notice.