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OPN20 20w Power Supplies

20W Wide Input, Non-Isolated Single Inline DC/DC Converters

Non-Isolated Converter

High Efficiency to 91%

1.5VDC to 3.3VDC Outputs

On/Off Control Function

Adjustable Output Voltage

Small SIP Package Style

Model Number

Input Voltage Range

Output Voltage

Efficiency

OPN20-03S2P5

3.0-3.6VDC

2.5VDC

86% (Note 5)

OPN20-03S2P1

3.0-3.6VDC

2.1VDC

84% (Note 5)

OPN20-03S1P8

3.0-3.6VDC

1.8VDC

82% (Note 5)

OPN20-03S1P5

3.0-3.6VDC

1.5VDC

80% (Note 5)

OPN20-05S3P3

4.5-5.5VDC

3.3VDC

89% (Note 5)

OPN20-05S2P5

4.5-5.5VDC

2.5VDC

87% (Note 5)

OPN20-05S2P1

4.5-5.5VDC

2.1VDC

85% (Note 5)

OPN20-05S1P8

4.5-5.5VDC

1.8VDC

84% (Note 5)

OPN20-05S1P5

4.5-5.5VDC

1.5VDC

82% (Note 5)

OPN20 series

Input Specifications

Input Voltage Range

3.0-3.6VDC

Input Current

6A (Note 4)

Remote Off Input Current

(Ref to -Input pin) Open or 0V<VR<1V=ON; 3.3Vin 2.4V<Vr<6V=OFF; 5Vin 3.2V<Vr<6V

Input Reflected Ripple Current

625mA rms

Minimum Load Requirement

none

General Specifications

Isolation

None

Efficiency

61%

Switching Frequency

500KHz, typ

Input-Output Capacitance

1000 pF

Physical Specifications

Size (mm)

63.5 x 14.0 x 6.6mm

Size (Inches)

2.5” x 0.55” x 0.26”

Weight (g)

8.5g

Weight (oz)

0.3oz

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

2.5VDC

Output Amps

6A

Load Regulation

±0.5% 0%-FL

Line Regulation

±0.5%

Preset Accuracy

±2.7% max.AM623

Temperature Coefficient

±0.02%/°C

Ripple and Noise

20MHz BW 100mV Pk-Pk, typ.

Short Circuit Protection

Continuous, self-recovering

Over Current Protection

Latching (Note 1)

Over Temperature Protection

+125°C

Transient Response

Load step change 100%-0% or 0%-100%; 1A/10uS Nominal Input; Peak Deviation 80mV; SettlingTime 200uSec

Max. Load Capacitance

10,000uF

Peak Load

DC Voltage Adjust (typ.)

±10% (See Fig 2)

Hold Up Time

Start Up, Rise Time

8mS 8-% FL and Nom Vin, typ.

Environmental Specifications

Operating Temperature

-25 to +71°C

Storage Temperature

-55 to +105°C

EMC

Conducted Emissions EN55022, Level A / Radiated Emissions EN55022, Level A / Conducted Immunity EN61000-4-6, Criteria 2

MTBF

1,400,000 Hrs MIL-STD 217, 25°C (Note 3)

Vibration

To MIL-STD 810C

Thermal Shock

Mil Std 810D