RCD-24-0.35-W RECOM Electronic GmbH, RCD-24-0.35-W Datasheet

RCD-24-0.35-W

Manufacturer Part Number

RCD-24-0.35-W

Description

Constant Current Single Output

Manufacturer

RECOM Electronic GmbH

Datasheet

1.RCD-24-0.35-W.pdf (4 pages)

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www.recom-international.com

The RCD series is a step-down constant current source designed for driving high power white LEDs. Standard output

currents available are 300mA, 350mA, 500mA, 600mA and 700mA to make this driver compatible with a wide range

of LEDs from many different manufacturers without the need for any external components. Despite its compact size,

the RCD series is fully featured with very high efficiency, wide input voltage range, high ambient operating temperature

and two means of LED dimming: PWM/digital control and analogue voltage dimming. Both dimming controls are

independent and can be combined. The driver is also designed to be as reliable as the LEDs it is driving, even at the

full operating temperature of 85°C. A wired version is also available.

Part

Number

RCD-24-0.30

RCD-24-0.35

RCD-24-0.50

RCD-24-0.60

RCD-24-0.70

RCD-24-0.30/W

RCD-24-0.35/W

RCD-24-0.50/W

RCD-24-0.60/W

RCD-24-0.70/W

Input Voltage (absolute maximum)

Recommended Input Voltage

Input Filter

Output Voltage Range

Output Current Range

Output Current Accuracy

Internal Power Dissipation

Output Current Stability

Output Ripple and Noise (20MHz limited)

Temperature Coefficient

Maximum Capacitive Load

Operating Frequency

Efficiency at Full Load

Short Circuit Protection

Operating Temperature Range

(free air convection)

Storage Temperature Range

Maximum Case Temperature

Thermal Impedance

Description

Selection Guide

Specifications

( typical at 25°C, nominal input voltage, rated output current unless otherwise specified )

Features

Regulated

Converters

Rev.2

4.5-36V

Range

(VDC)

Input

●

Current

Constant Current Output

Power LED Driver

Wide Input Voltage Range

PWM/Digital Dimming and Analogue

Voltage Dimming

Short Circuit Protected

96 % Efficiency

Output

0-300

0-350

0-500

0-600

0-700

(mA)

300

350

500

600

700

Voltage

Output

2-32

(V)

-40~+85°C ambient

Vin=36V

Vin - Vout >1.5~4V

300mA-700mA

Load of 5 LEDs

Vin=36V, Vout =2~32V

300mA/350mA

500mA

600mA

700mA

Natural Convection

Vin=36V, Vout =2~32V

210 kHz min/ 260kHz typ./ 300kHz max

Digital + Analogue

Regulated at rated output current

5V min. / 24V typ. / 36VDC max.

Dimming

Control

2008

none

continued on next page

2V min. / 32V max.

±0.015%/°C max.

-55°C to +125°C

-40°C to +85°C

-40°C to +80°C

-40°C to +75°C

-40°C to +71°C

300mA-700mA

120mVp-p max

36VDC max.

Mounting

55°C/Watt

97% max.

Wired

±1% max

Style

Capacitor

±2% typ.

PCB

700mW

100°C

100µF

INNOLINE

DC/DC-Converter

RCD-24

Series

Derating Graph

(Ambient Temperature)

Constant

Current

Single Output

RCD-24-0.35/0.70

137

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RCD-24-0.35-W Summary of contents

Page 1

... Rev.2 Description The RCD series is a step-down constant current source designed for driving high power white LEDs. Standard output currents available are 300mA, 350mA, 500mA, 600mA and 700mA to make this driver compatible with a wide range of LEDs from many different manufacturers without the need for any external components. Despite its compact size, the RCD series is fully featured with very high efficiency, wide input voltage range, high ambient operating temperature and two means of LED dimming: PWM/digital control and analogue voltage dimming ...

Page 2

... Radiated Immunity (all series) Fast Transient (all series) Conducted Immunity (all series) MTBF (RCD-24-0.70, Nominal Vin, Full Load) using MIL-HDBK 217F Note: Requires an input filter to meet EN55022 ClassB conducted emissions, see below. Class B Filter Suggestion 138 Non Conductive Black Plastic Epoxy (UL94-V0) 22 ...

Page 3

... INNOLINE DC/DC-Converter Analogue Dimming Control and Application Circuit Examples Digital Dimming Control www.recom-international.com RCD-24 Series 2008 139 ...

Page 4

... Leave open if not used 4 GND Do not connect to -Vout 5 -Vout LED Cathode Connection 6 +Vout LED Anode Connection XX.X ± 0.5 mm XX.XX ± 0.25 mm Pin Tolerance ± 0.1 mm Wire Connections RCD-24/W Series Wire # Out Comments 1 (Red) +Vin DC Supply 4 (Black) GND Do not connect to -Vout 5 (Brown) -Vout LED Cathode Connection 6 (Yellow) ...

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