STCS1A datasheet(1/19 Pages) STMICROELECTRONICS

部品番号	STCS1A

部品情報	1.5 A max constant current LED driver

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メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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1 / 19 page

July 2008

Rev 2

1/19

19

STCS1A

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

■ 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 STCS1A 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 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.

Power SO-8

DFN8 (3 x 3 mm)

Table 1.

Device summary

Order codes

Packages

Packaging

STCS1APUR

DFN8 (3 x 3 mm)

3000 parts per reel

STCS1APHR

Power SO-8

2500 parts per reel

www.st.com

同様の部品番号 - STCS1A

メーカー	部品番号	データシート	部品情報
STMicroelectronics	STCS1	435Kb / 17P	1.5 A max constant current LED driver 02-Oct-2007
	STCS1	346Kb / 17P	1.5 A max constant current LED driver 02-Jul-2008
	STCS1PHR	435Kb / 17P	1.5 A max constant current LED driver 02-Oct-2007
	STCS1PHR	346Kb / 17P	1.5 A max constant current LED driver 02-Jul-2008
	STCS1PUR	435Kb / 17P	1.5 A max constant current LED driver 02-Oct-2007

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同様の説明 - STCS1A

メーカー	部品番号	データシート	部品情報
Texas Instruments	TPS61042	552Kb / 20P	CONSTANT CURRENT LED DRIVER
STMicroelectronics	STCS1	435Kb / 17P	1.5 A max constant current LED driver 02-Oct-2007
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	STCS2A	372Kb / 18P	2 A max constant current LED driver 02-Jul-2008
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