ECO-1

REV.: 0/2017

www.recom-power.com

3 Watt

DIP24

Package

DC/DC Converter

Features

Regulated

Converters

• 2:1 Input Range Voltage

• Efficiency Up To 81%

• EMI Class A Without External Components

• Continuous Short Circuit Protection

• No Minimum Load Required

REC3A

UL60950 Pending

IEC/EN62368-1 Pending

EN60950-1 Pending

Description

The REC3A series is cost efficient, general purpose isolated DC/DC converter containing a built in Class

A EMC filter. The converter is designed to run from industry standard 24V or 5V unregulated supplies

and is typically used to provide an isolated, regulated, short circuit protected output. Under Voltage

Lockout is available as an option. These converters are designed for industrial applications, can drive

high capacitive loads and operate over the full -40°C to +85°C temperature range without derating.

Selection Guide

Part

Input

Output

Output

Efficiency

max. Capacitive

Number

Voltage Range

Voltage

Current

[VDC]

[VDC]

[mA]

[%]

[µF]

4.5-9

5

600

76

6800

18-36

5

600

81

6800

3 YEAR

warranty

3

E224736

Model Numbering

Ordering Examples:

REC3A-0505SW/H2: Single Output, 4.5-9Vin (2:1) and 5Vout, 2kVDC Isolation

REC3A-2405SW/H2/X1: Single Output, 18-36Vin (2:1) and 5Vout, 2kVDC Isolation, UVLO Option

Input Voltage

Output Voltage

REC3A-__ __ SW/H2/__

Notes:

Note3: add suffix “/X1” for optional Under Voltage Lockout

without suffix is without Under Voltage Lockout Option

Isolation

BASIC CHARACTERISTICS

Parameter

Condition

Min.

Typ.

Max.

Internal Input Filter

Pi Type

Input Voltage Range

nom. Vin = 5V

nom. Vin = 24V

4.5VDC

18VDC

9VDC

36VDC

Input Surge Voltage

Vin = 5V

Vin = 24V

10VDC

50VDC

Quiescent Current

Vin = 5V

Vin = 24V

35mA

12mA

Start-up Time

10ms

Internal Operating Frequency

120kHz

Minimum Load

0%

Output Ripple and Noise

measured with 20MHz bandwidth and

a 0.47µF ceramic capacitor

50mVp-p

Vin = 5V

DC-DC ON

DC-DC OFF

3.0VDC

3.2VDC

Vin = 24V

DC-DC ON

DC-DC OFF

15.6VDC

16.5VDC

continued on next page

Notes:

Note1: Efficiency is test by nominal input and full load at +25°C ambient.

Note2: Max Cap Load is test by nominal input and full resisitive load.