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ST15 15w Power Supplies

Isolated and Regulated 15 Watt Modular DC/DC Converters

Wide 2 : 1 Input Range

High Efficiency

Regulated Outputs

1600V Isolation

Full EMI Shielding

Standard Pinouts

Model Number

Input Voltage Range

Input Surge Voltage

Input Fuse

Output Voltage

Output Amps

Peak Load

Efficiency

ST15-123.3S

9-18VDC

50V 10 mS duration min.

4A

3.3 VDC

4

13.2 Watts

79%

ST15-243.3S

18-36VDC

50V 10 mS duration min.

4A

3.3 VDC

4

13.2 Watts

79%

ST15-483.3S

36-75VDC

100V 10 mS duration min.

2A

3.3 VDC

4

13.2 Watts

79%

ST15-125S

9-18VDC

50V 10 mS duration min.

4A

5 VDC

3

15 Watts

82%

ST15-245S

18-36VDC

50V 10 mS duration min.

4A

5 VDC

3

15 Watts

82%

ST15-485S

36-75VDC

100V 10 mS duration min.

2A

5 VDC

3

15 Watts

82%

ST15-1212S

9-18VDC

50V 10 mS duration min.

4A

12 VDC

1.25

15 Watts

83%

ST15-2412S

18-36VDC

50V 10 mS duration min.

4A

12 VDC

1.25

15 Watts

83%

ST15-4812S

36-75VDC

100V 10 mS duration min.

2A

12 VDC

1.25

15 Watts

83%

ST15-1215S

9-18VDC

50V 10 mS duration min.

4A

15 VDC

1

15 Watts

83%

ST15-2415S

18-36VDC

50V 10 mS duration min.

4A

15 VDC

1

15 Watts

83%

ST15-4815S

36-75VDC

100V 10 mS duration min.

2A

15 VDC

1

15 Watts

83%

ST15-1224S

9-18VDC

50V 10 mS duration min.

4A

24 VDC

0.625

15 Watts

83%

ST15-2424S

18-36VDC

50V 10 mS duration min.

4A

24 VDC

0.625

15 Watts

83%

ST15-4824S

36-75VDC

100V 10 mS duration min.

2A

24 VDC

0.625

15 Watts

83%

ST15 series

Input Specifications

Input Voltage Range

9-18VDC

Input Filter

PI Type

Input Surge Voltage

50V 10 mS duration min.

Input Fuse

4A

General Specifications

Isolation

1600VDC

Insulation Resistance

10-9th Ohms

Efficiency

76%

Switching Frequency

400KHz

Input-Output Capacitance

1000 pF

Physical Specifications

Size (Inches)

2”x1”x0.413”

Case Material

Nickel Coated Copper with Non-Conductive Base Connected to O/P Ground

Construction

Fully Encapsulated

Weight (g)

30g

Weight (oz)

1.1oz

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.

Output Specifications

Output Voltage

3.3 VDC

Output Amps

4

Load Regulation

±1% 10% - FL

Line Regulation

±0.5% HL-LL

Preset Accuracy

±0.2%

Temperature Coefficient

±0.02%/°C

Ripple and Noise

<0.2% Vout + 20mV (Vp-p) max. / <0.5% Vout + 50mV (Vp-p) max.

Over Voltage Protection

Zener Diode Clamp

Short Circuit Protection

Current Limit, self-recovering

Over Current Protection

120% of Rated, Auto Recovery

Peak Load

13.2 Watts

Environmental Specifications

Operating Temperature

-20 to +60°C(See Derate)

Case Temperature

95°C max

Storage Temperature

-55 to +105°C

Working Humidity

95%RH

EMI

EN 55022 class A (Conducted & Radiated)

MTBF

>550,000 h @ 25°C (MIL-HDBK-217F)

Cooling

Free Air Convection