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SU20 20w Power Supplies

Encapsulated DC/DC Converter

Power Module for PCB Mountable

2:1 & 4:1 Input Range

Low Ripple and Noise

Regulated Output

Vout Trim and ON/OFF Control Function

2-Year Product Warranty

 

Model Number

Input Voltage Range

Output Voltage

Output Amps

Load Regulation

Line Regulation

Peak Load

DC Voltage Adjust (typ.)

Efficiency

SU20-123.3S

9-18VDC

3.3VDC

4Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

13.2W

±10%

76%

SU20-125S

9-18VDC

5VDC

4Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

78%

SU20-1212S

9-18VDC

12VDC

1.67Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

81%

SU20-1215S

9-18VDC

15VDC

1.33Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

82%

SU20-1224S

9-18VDC

24VDC

0.833Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

83%

SU20-243.3S

18-36VDC

3.3VDC

4Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

13.2W

±10%

78%

SU20-245S

18-36VDC

5VDC

4Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

81%

SU20-2412S

18-36VDC

12VDC

1.67Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

86%

SU20-2415S

18-36VDC

15VDC

1.33Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

85%

SU20-2424S

18-36VDC

24VDC

0.833Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

88%

SU20-483.3S

36-75VDC

3.3VDC

4Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

13.2W

±10%

76%

SU20-485S

36-75VDC

5VDC

4Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

82%

SU20-4812S

36-75VDC

12VDC

1.67Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

84%

SU20-4815S

36-75VDC

15VDC

1.33Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

85%

SU20-4824S

36-75VDC

24VDC

0.833Amps

±0.5% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

87%

SU20 series

Model Number

Input Voltage Range

Output Voltage

Output Amps

Load Regulation

Line Regulation

Peak Load

DC Voltage Adjust (typ.)

Efficiency

SU20-125D

9-18VDC

±5VDC

±2Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

77%

SU20-1212D

9-18VDC

±12VDC

±0.833Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

81%

SU20-1215D

9-18VDC

±15VDC

±0.66Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

82%

SU20-125S12D

9-18VDC

5/±12VDC

2.5±0.3amps

±3% / ±5% 10-100%, typ.

±1% / ±5% LL-HL, typ.

20W

none

79%

SU20-125S15D

9-18VDC

5/±15VDC

2.5±0.25Amps

±3% / ±5% 10-100%, typ.

±1% / ±5% LL-HL, typ.

20W

none

77%

SU20-245D

18-36VDC

±5VDC

±2Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

82%

SU20-2412D

18-36VDC

±12VDC

±0.833Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

84%

SU20-2415D

18-36VDC

±15VDC

±0.66Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

85%

SU20-245S12D

18-36VDC

5/±12VDC

2.5±0.3amps

±3% / ±5% 10-100%, typ.

±1% / ±5% LL-HL, typ.

20W

none

83%

SU20-245S15D

18-36VDC

5/±15VDC

2.5±0.25Amps

±3% / ±5% 10-100%, typ.

±1% / ±5% LL-HL, typ.

20W

none

81%

SU20-485D

36-75VDC

±5VDC

±2Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

83%

SU20-4812D

36-75VDC

±12VDC

±0.833Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

85%

SU20-4815D

36-75VDC

±15VDC

±0.66Amps

±3% 10-100%, typ.

±0.5% LL-HL, typ.

20W

±10%

84%

SU20-485S12D

36-75VDC

5/±12VDC

2.5±0.3amps

±3% / ±5% 10-100%, typ.

±1% / ±5% LL-HL, typ.

20W

none

83%

SU20-485S15D

36-75VDC

5/±15VDC

2.5±0.25Amps

±3% / ±5% 10-100%, typ.

±1% / ±5% LL-HL, typ.

20W

none

84%

Input Specifications

Input Voltage Range

9-18VDC

Input Filter

PI Type

General Specifications

Isolation

1600VDC

Insulation Resistance

10^8 ohms

Efficiency

77% typ.

Switching Frequency

200KHz

Safety Approvals

CE (Pending)

Input-Output Capacitance

1000 pF

Physical Specifications

Size (mm)

50.8 x 50.8 x 11.4 mm; Tolerance ±0.5 mm

Size (Inches)

2.0 x 2.0 x 0.45 Inches

Case Material

Nickel-Coated Copper with Non-Conductive Base, Six-side shielded

Weight (g)

70g

Notes

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.

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

3.3VDC

Output Amps

4Amps

Load Regulation

±0.5% 10-100%, typ.

Line Regulation

±0.5% LL-HL, typ.

Preset Accuracy

±2%

Temperature Coefficient

±0.02% Per°C

Ripple and Noise

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

Short Circuit Protection

Hiccup, auto-recovery

Over Current Protection

Works over 120% of rating and recovers automatically

Peak Load

13.2W

DC Voltage Adjust (typ.)

±10%

Environmental Specifications

Operating Temperature

-25 to +71°C(FL)

Case Temperature

100°C max

Storage Temperature

-55 to +105°C

Working Humidity

95%RH

EMC

EN 55022 class A

MTBF

>550,000 h @ 25°C (MIL-HDBK-217F)

Cooling

Free Air Convection