Key Features

4:1 Input Range

3.5 kVDC I/O Isolation

3W Output Power

Single & Dual Outputs

Tight Line/Load Regulation

Low Cost

Electrical Specifications

Specifications typical @ +251C with nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.

Input

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Start Voltage

24 VDC Input

4.5

6.0

8.5

VDC

48 VDC Input

8.5

12.0

17.0

Input Filter

π (Pi) Filter

Short Circuit Input Power

2,000

mW

Output

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

!0.5

!1.0

%

Output Voltage Balance

Dual Output , Balanced Loads

!0.5

!1.0

%

Line Regulation

Vin = Min to Max

!0.2

!0.5

%

Load Regulation

Iout = 10% to 100%

!0.2

!0.5

%

Ripple & Noise (20 MHz)

60

mV P - P

Output Power Protection

120

%

Transient Recovery Time (Note 1)

25% Load Step Change

150

500

µSec

Transient Response Deviation

!2.0

%

Temperature Coefficient

!0.01

!0.02

%/1C

Output Short Circuit

Continuous

General

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation Voltage

60 Seconds

3,500

VDC

Isolation Resistance

500 VDC

1,000

M

Ω

Isolation Capacitance

100 kHz, 1V

390

pF

Leakage Current

1.0

mA

Switching Frequency

300

kHz

Environmental

Parameter

Conditions

Min.

Typ.

Max.

Units

Operating Temperature Range

-40

+85

1C

Storage Temperature Range

-40

+125

1C

Cooling

Free Air Convection

Humidity

RH, Non-condensing

90

%

Physical

Case Size

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

Case Material

Metal with Non-Conductive Base

Weight

0.74 Oz (21g)

Reliability Specifications

Parameter

Conditions

Min.

Typ.

Max.

Units

MTBF

MIL HDBK 217F, 251C, Gnd Benign

950

kHours

Absolute Maximum Ratings

Parameter

Conditions

Min.

Typ.

Max.

Units

Input Voltage Surge (1 Sec)

24 VDC Input

-0.7

50.0

VDC

48 VDC Input

-0.7

100.0

Internal Power Dissipation

All Models

2,500

mW

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

MicroPower

Direct

3W, Ultra-Wide Input

High Isolation

DC/DC Converters

A300RUI Series

MicroPower Direct

TEL: (781) 344-8226

FAX: (781) 344-8481

E-Mail: sales@micropowerdirect.com

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