STCS1PUR datasheet(1/17 Pages) STMICROELECTRONICS

Il numero della parte	STCS1PUR

Spiegazioni elettronici	1.5 A max constant current LED driver

PDF	17 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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1 / 17 page

October 2007

Rev. 5

1/17

17

STCS1

1.5 A max constant current LED driver

Features

■ Up to 40 V input voltage

■ Less than 0.5 V voltage overhead

■ Up to 1.5 A output current

■ PWM dimming pin

■ Shutdown pin

■ LED disconnection diagnostic

Applications

■ Supplying LEDs with constant current for

varying input voltages

■ Low voltage lighting

■ Small appliance LED lighting

■ Car LED lights

Description

The STCS1 is a BiCMOS constant current source

designed to provide a precise constant current

starting from a varying input voltage source. The

main target is to replace discrete components

solution for driving LEDs in low voltage

applications such as 5 V, 12 V or 24 V giving

benefits in terms of precision, integration and

reliability.

The current is set with external resistor up to 1.5

A with a ±10% precision; a dedicated pin allows

implementing PWM dimming.

An open-drain pin output provides information on

load disconnection condition.

Power SO-8

DFN8 (3x3mm)

Table 1.

Device summary

Order code

Package

Packaging

STCS1PUR

DFN8 (3mm x 3mm)

3000 parts per reel

STCS1PHR

Power SO-8

2500 parts per reel

www.st.com

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