Key Features:

MicroPower Direct

232 Tosca Drive

Stoughton, MA 02072

USA

T: (781) 344-8226

F: (781) 344-8481

E: sales@micropowerdirect.com

W: www.micropowerdirect.com

A300R

Compact, Regulated, 3W

Compact, Regulated, 3W

Single & Dual Output

Single & Dual Output

DC/DC Converters

DC/DC Converters

Series

Input

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Range

5 VDC Input

4.5

5.0

5.5

VDC

12 VDC Input

10.8

12.0

13.2

24 VDC Input

21.6

24.0

26.4

48 VDC Input

43.2

48.0

52.8

Input Filter

π (Pi) Filter

Reverse Polarity Input Current

0.5

A

Short Circuit Input Power

2,500

mW

Output

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

±2.0

±4.0

%

Output Voltage Balance

Dual Output , Balanced Loads

±1.0

±3.0

%

Line Regulation

Vin = Min to Max

±0.2

±0.3

%

Load Regulation

Iout = 10% to 100%

±0.2

±0.5

%

Ripple & Noise (20 MHz) (Note 1)

40

50

mV P - P

Ripple & Noise (20 MHz)

Over Line, Load & Temp.

75

mV P - P

Ripple & Noise (20 MHz)

5

mV rms

Output Power Protection

120

%

Transient Recovery Time (Note 2)

50% Load Step Change

50

μSec

Transient Response Deviation

±6.0

%

Temperature Coefficient

±0.01

±0.02

%/ºC

Output Short Circuit

Continuous

General

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation Voltage

60 Seconds

500

VDC

Isolation Resistance

500 VDC

1,000

MΩ

Isolation Capacitance

100 kHz, 1V

100

150

pF

Switching Frequency

40

80

kHz

Environmental

Parameter

Conditions

Min.

Typ.

Max.

Units

Operating Temperature Range

-25

+71

ºC

-25

+90

ºC

Storage Temperature Range

-40

+125

ºC

Cooling

Free Air Convection

Humidity

RH, Non-condensing

95

%

Physical

Case Size

1.25 x 0.80 x 0.40 Inches (31.8 x 20.3 x 10.2 mm)

Case Material

Non-Conductive Black Plastic (UL94-V0)

Weight

0.42 Oz (12g)

Reliability Specifications

Parameter

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 25ºC, Gnd Benign

600

kHours

Absolute Maximum Ratings

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Surge (1 Sec)

5 VDC Input

-0.7

7.5

VDC

12 VDC Input

-0.7

15.0

24 VDC Input

-0.7

30.0

48 VDC Input

-0.7

55.0

Lead Temperature

1.5 mm From Case For 10 Sec.

260

ºC

Internal Power Dissipation

All Models

3,000

mW

Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.

Electrical Specifications

Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.