Rev C

DCHBA1 SERIES

1 Watt

Medical Isolated DC/DC Converters

Non-Regulated Single and Dual Outputs

10/20/2015

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

Voltage Balance

Dual Output

1

%

Output Power

1

W

Output Current

See Table

Minimum Load

0

A

Maximum Capacitive Load

See Table

Ripple & Noise (20MHz bandwidth)

150

mVp-p

PROTECTION

Short Circuit Protection

1 Second

ENVIRONMENTAL SPECIFICATIONS

Operating Case 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

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

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

15

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

EN60601-1

NOTES

(1)

For 8KVDC I/O isolation replace the “H6” suffix in the model number with “H8” (Ex. DCHBA1-12S12H8)

(2)

For each output.

(3)

Typical value tested at nominal input and full load