Isolated and Regulated 25 to 50 WATT Modular DC/DC Converters

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ASTRODYNE USA: 1-800-823-8082

ASTRODYNE PACIFIC: 886-2-26983458

INPUT SPECIFICATIONS

Input Voltage Ranges:

12 VDC Nominal

9-18 VDC

24 VDC Nominal

18-36 VDC

48 VDC Nominal

36-75 VDC

Undervoltage Lockout

12Vin Power Up

8.8V

12Vin Power Down

8V

24Vin Power Up

17V

24Vin Power Down

16V

48Vin Power Up

34V

48Vin Power Down

32.5V

Input Filter

PI Type

OUTPUT SPECIFICATIONS

Voltage and Current

See Selection Chart

Load Regulation (0% to FL)

+/-0.2%, max.

Line Regulation

(HL-LL)

+/-0.2%, max.

Temperature Coefficient

+/-0.03%/°C

Ripple/Noise

2.5, 3.3 & 5Vout 20mV RMS, max.

75mVp-p max.

12 & 15Vout

30mV RMS, max.

100mVp-p max.

24Vout

100mV RMS, max.

240mVp-p max.

Voltage Accuracy

+/-1%, max

Transient Response

25% Change

<500uS

Trim Adjustment Range

+/-10%

Short Circuit Protection

Continuous

Over Voltage Protection

115-140% of Output

Current Limit

110-150% of Rated Load

Efficiency

See Selection Chart

GENERAL SPECIFICATIONS

Input-Output Isolation

I/P-O/P, I/P-Case, O/P-Case

1500VDC

Isolation Resistance

10-7nth Ohm min.

Switching Frequency

12 & 24Vin

400kHz

48Vin

300kHz

Safety

UL60950

ENVIRONMENTAL SPECIFICATIONS

Oper. Case Temperature

-40 to +100°C

Thermal Shutdown, Case Temp. 100°C typ.

Storage Temperature

Cooling

Free Air Convection

MTBF

1,005,677 Hrs.

MIL-HDBK-217F

Ground Benign, 25°C

PHYSICAL SPECIFICATIONS

Case Material

Aluminum

Construction

Fully Encapsulated

Weight

5 oz (142g)

Dimensions

2.28” x 2.4” x 0.5”

REMOTE ON/OFF CONTROL

Logic Compatibility

Open Collector

Referenced to - Input

Module-On

Open Circuit

Module-Off

<0.8VDC

Shutdown Idle Current

10mA

EXTERNAL OUPUT TRIMMING

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 25DegC unless

otherwise noted