STCS2A datasheet(1/18 Pages) STMICROELECTRONICS

Nome de Peças	STCS2A

Descrição Electrónicos	2 A max constant current LED driver

PDF	18 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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1 / 18 page

July 2008

Rev 3

1/18

18

STCS2A

2 A max constant current LED driver

Features

■ Up to 40 V input voltage

■ Less than 0.5 V voltage overhead

■ Up to 2 A output current

■ PWM dimming pin

■ Shutdown pin

■ LED disconnection diagnostic

■ Slope control with external cap

Applications

■ LED constant current supplying for varying

input voltages

■ Low voltage lighting

■ Small appliances LED lighting

■ Car LED lights

Description

The STCS2A 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 2 A

with a ± 10 % precision; a dedicated pin allows

implementing PWM dimming. An external

capacitor allows setting the slope for the current

rise from tens of microseconds to tens of

milliseconds allowing reduction of EMI.

An open-drain pin output provides information on

load disconnection condition.

PowerSO-10

1

10

Table 1.

Device summary

Order code

Package

Packaging

STCS2ASPR

PowerSO-10

600 parts per reel

www.st.com

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STCS2A Folha de dados(PDF) 1 Page - STMicroelectronics

STCS2A Folha de dados(HTML) 1 Page - STMicroelectronics

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