300 Myles Standish Blvd., Taunton, MA 02780

Ph: 1-800-823-8082

Fax: 508-823-8181

WWW.ASTRODYNE.COM

Isolated and Regulated 20 WATT Modular DC/DC Converters

INPUT SPECIFICATIONS

Input Voltage Ranges:

12 VDC Nominal

9-36 VDC

24 VDC Nominal

18-72 VDC

Input Filter

PI Type

Remote On/Off Control

Logic Compatibility

CMOS or Open Collector TTL

EC-On

>+5.5VDC or Open Circuit

EC-Off

<1.8VDC

Control Common

Ref. to - Input

OUTPUT SPECIFICATIONS

Voltage and Current

See Selection Chart

Load Regulation (25% to FL)

+/-0.5%

Line Regulation

(HL-LL)

+/-0.5%

Temperature Coefficient

+/-0.02%/°C

Ripple/Noise

RMS

20mV max.

P-P

75mVp-p max.

Voltage Accuracy

Single O/P

+/-1%

Dual +O/P

+/-1%

Dual -O/P

+/-2%

Voltage Balance (Dual FL)

+/-1%

Short Circuit Protection

Continuous

Efficiency

See Selection Chart

Transient Response

Single 25% Load Change

<500uS

Dual Full Load to 1/2 Load

<500uS

Trim

+/-10%

GENERAL SPECIFICATIONS

Input-Output Isolation

1500VDC

Isolation Resistance

10-8nth Ohm min.

Switching Frequency

300Khz

Safety

UL60950

RFI

Six Sided Shielding

MTBF

MIL-HDBK-217F

Ground Benign, 25°C

880,584 Hrs.

ENVIRONMENTAL SPECIFICATIONS

Oper. Temperature

-25 to +71°C w. Derate

Derate Above 60°C

Linearly to Zero Power +100°C

Case Temperature

100°C max.

Storage Temperature

PHYSICAL SPECIFICATIONS

Case Material

Black coated Copper

w. Non-conductive base

Construction

Fully Encapsulated

Weight

2 oz, (57g)

Dimensions

1.6” x 2” x 0.45”

may adversely affect long term reliability. Proper operation under conditions

other than the standard operating conditions is neither warranteed nor implied.

All specifications are typical at nominal input, full load, and 25°C unless other-

wise noted

Astrodyne products are not authorized or warranteed for use

as critical components in life support systems, equipment used

in hazardous environments, nuclear controls systems, or other

mission-critical applications.