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ASD50 50 Watt Converters

ASD50 50 Watt Converters

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

Wide 2:1 Input Range

1500V Isolation

Remote ON/OFF Control

High Efficiency

Input PI Filter

Five-Sided Shield

Model Number

Input Voltage Range

Under Voltage Lockout

Output Voltage

Output Amps

Ripple and Noise

Efficiency

Switching Frequency
ASD50-12S25 9-18 VDC 8.8V Power Up / 8V Power Down

2.5 VDC

10

75mVp-p max. / 20mV RMS, max.

76.00%

400kHz
ASD50-24S25 18-36 VDC 17V Power Up / 16V Power Down

2.5 VDC

10

75mVp-p max. / 20mV RMS, max.

77.00%

400kHz
ASD50-48S25 36-75 VDC 34V Power Up / 32.5 Power Down

2.5 VDC

10

75mVp-p max. / 20mV RMS, max.

77.00%

300kHz
ASD50-12S3 9-18 VDC 8.8V Power Up / 8V Power Down

3.3 VDC

10

75mVp-p max. / 20mV RMS, max.

78.00%

400kHz
ASD50-24S3 18-36 VDC 17V Power Up / 16V Power Down

3.3 VDC

10

75mVp-p max. / 20mV RMS, max.

79.00%

400kHz
ASD50-48S3 36-75 VDC 34V Power Up / 32.5 Power Down

3.3 VDC

10

75mVp-p max. / 20mV RMS, max.

79.00%

300kHz
ASD50-12S5 9-18 VDC 8.8V Power Up / 8V Power Down

5 VDC

10

75mVp-p max. / 20mV RMS, max.

81.00%

400kHz
ASD50-24S5 18-36 VDC 17V Power Up / 16V Power Down

5 VDC

10

75mVp-p max. / 20mV RMS, max.

82.00%

400kHz
ASD50-48S5 36-75 VDC 34V Power Up / 32.5 Power Down

5 VDC

10

75mVp-p max. / 20mV RMS, max.

83.00%

300kHz
ASD50-12S12 9-18 VDC 8.8V Power Up / 8V Power Down

12 VDC

4.16

100mVp-p max. / 30mV RMS, max.

84.00%

400kHz
ASD50-24S12 18-36 VDC 17V Power Up / 16V Power Down

12 VDC

4.16

100mVp-p max. / 30mV RMS, max.

85.00%

400kHz
ASD50-48S12 36-75 VDC 34V Power Up / 32.5 Power Down

12 VDC

4.16

100mVp-p max. / 30mV RMS, max.

85.00%

300kHz
ASD50-12S15 9-18 VDC 8.8V Power Up / 8V Power Down

15 VDC

3.33

100mVp-p max. / 30mV RMS, max.

84.00%

400kHz
ASD50-24S15 18-36 VDC 17V Power Up / 16V Power Down

15 VDC

3.33

100mVp-p max. / 30mV RMS, max.

85.00%

400kHz
ASD50-48S15 36-75 VDC 34V Power Up / 32.5 Power Down

15 VDC

3.33

100mVp-p max. / 30mV RMS, max.

85.00%

300kHz
ASD50-12S24 9-18 VDC 8.8V Power Up / 8V Power Down

24VDC

2.08

240mVp-p max. / 100mV RMS, max.

84.00%

400kHz
ASD50-24S24 18-36 VDC 17V Power Up / 16V Power Down

24VDC

2.08

240mVp-p max. / 100mV RMS, max.

86.00%

400kHz
ASD50-48S24 36-75 VDC 34V Power Up / 32.5 Power Down

24VDC

2.08

240mVp-p max. / 100mV RMS, max.

86.00%

300kHz

ASD50 series

Input Specifications

Input Voltage Range

9-18 VDC

Input Filter

PI Type

Under Voltage Lockout

8.8V Power Up / 8V Power Down

General Specifications

Isolation

1500VDC

Insulation Resistance

10-7nth Ohm min.

Efficiency

50%

Switching Frequency

400kHz

Safety Approvals

UL60950

Shutdown Idle Current

10mA

Physical Specifications

Size (Inches)

2.28” x 2.4” x 0.5”

Case Material

Aluminum

Construction

Fully Encapsulated

Weight (g)

142g

Weight (oz)

5oz

Output Specifications

Output Voltage

2.5 VDC

Output Amps

10

Load Regulation

±0.2%, max. 0% to FL

Line Regulation

±0.2%, max. HL-LL

Preset Accuracy

±1%, max

Temperature Coefficient

±0.03%/°C

Ripple and Noise

75mVp-p max. / 20mV RMS, max.

Short Circuit Protection

Continuous

Over Current Protection

110-150% of Rated Load

Transient Response

<500uS 25% change

DC Voltage Adjust (typ.)

±10%

Environmental Specifications

Operating Temperature

-25 to +71°C

Case Temperature

100°C typ.

Storage Temperature

-55 to +105°C

MTBF

1,005,677 Hrs. MIL-HDBK-217F Ground Benign, 25°C

Cooling

Free Air Convection

Remot Shutdown

Open Collector Referenced to - Input; Module-On Open Circuit; Module-Off <0.8VDC

Notes

All specifications are typical at nominal input, full load, and 25°C unless otherwise 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.