Isolated and Regulated 20 WATT Modular DC/DC Converters

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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

36-72 VDC

Max. Voltage Surge (100mS max) 12 VDC Nominal

36 VDC

24 VDC Nominal

50 VDC

48 VDC Nominal

100 VDC

Input Filter

Pi Type

OUTPUT SPECIFICATIONS

Voltage and Current

See Selection Chart

Load Regulation

singles: +/-1%

25% - FL (single/dual)

duals: +/-2%

10%-FL (triple)

3.3/5 V:+/-2%, 12/15 V:+/-5%

Line Regulation

(Single/Dual) +/-0.2%

(triple)

3.3/5V:+/-1%, 12/15V:+/-5%

Temperature Coefficient

+/-0.02%/DegC

Ripple/Noise(Single/Dual/Triple) (75 / 100 / 1%) mV Pk-Pk, typ

Voltage Stability

(+/-12,+/-15) +/- 2%, (+/-5%)

Transient Response Recovery

25% Load Step Change

500 microSeconds

Short Circuit Protection

Continuous, self-recovering

Overvoltage Protection Threshold:

3.3V Output

3.9Volts

5V Output

6.2Volts

12V Output

15Volts

15V Output

18Volts

GENERAL SPECIFICATIONS

On/Off Control

(Ref to - Input pin)

Logic “1”/Open=ON

Logic “0”/GND=OFF

Input-Out Isolation

1600VDC

In/Out Capacitance

1000 pF

Isolation Resistance

10000 M Ohms

Efficiency

81%, typ

Switching Frequency

300Khz, Single typ

ENVIRONMENTAL SPECIFICATIONS

Oper. Temperature

-25 to +70 DegC(see derate)

Storage Temperature

Maximum Case Temp

MTBF

1.93 MHrs

MIL-HDBK-217F TA=25C FL

PHYSICAL SPECIFICATIONS

Case Material

Nickel-Coated Copper

Non-Conductive Base

Construction/Weight

Encapsulated/1.86oz (52g)

Size

1.6” x 2” x 0.4”

(40.64 x 50.8 x 10.16mm)

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