TO-252 datasheet(1/7 Pages) SUTEX

部件名	TO-252

功能描述	Simple 90V, 20mA, Temperature Compensated Constant Current LED Driver IC

PDF	7 Pages

Scroll/Zoom	100%

制造商	SUTEX [Supertex, Inc]

网页	http://www.supertex.com

标志

1 / 7 page

Supertex inc.

www.supertex.com

CL2

Doc.# DSFP-CL2

C071012

Features

► 5.0 to 90V operating range (V

A-B)

► 20mA ±10% at 5.0 - 90V

► 0.01%/°C typical temperature coefficient

► Available in TO-243AA (SOT-89), TO-252 (D-PAK),

& TO-92 packages

► Can be paralleled for higher current

Applications

► LED driver

► Industrial lamp indicators

► Signage

► Accent lighting

► Automotive

► Constant current source

► Constant current sink

General Description

The Supertex CL2 is a high voltage, temperature compensated,

constant current source. The device is trimmed to provide

a constant current of 20mA±10% at an input voltage of 5.0

- 90V. The device can be used as a two terminal constant

current source or constant current sink.

Atypical application for the CL2 is to drive LEDs with a constant

current of 20mA. Multiple CL2s can also be used in parallel to

provide higher currents such as 40mA, 60mA or 80mA. The

device is available in TO-243AA (SOT-89), TO-252 (D-PAK),

and TO-92 packages.

Typical Application Circuit

Simple 90V, 20mA, Temperature Compensated

Constant Current LED Driver IC

VA

VB

Up to 90V

+ V

LED(total)

+

V

LED(total)

-

VA

VB

Functional Circuit

Diagram

CL2

I

LED

<20mA

Control Circuit

and Temperature

Compensation

100nF

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