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SP7611A

Part Number	SP7611A
Manufacturer	Sipex Corporation
Description	(SP7611A - SP7614A) 2-4 Channel Low Dropout Linear LED Driver
Published	Aug 27, 2007
Detailed Description	www.DataSheet4U.com Solved by SP7611A, SP7612A, SP7614A TM 2-4 Channel Low Dropout Linear LED Driver N/C VLED1 CTRL F...
Datasheet	SP7611A PDF File

Overview

www.
DataSheet4U.
com Solved by SP7611A, SP7612A, SP7614A TM 2-4 Channel Low Dropout Linear LED Driver N/C VLED1 CTRL FEATURES LED Drivers for parallel connected LEDs No EMI, no switching noise Integrated current matching PWM and Analog brightness control Enable/Shutdown control Shutdown current < 0.
01µA Tiny, RoHS Compliant Lead-Free Packages: SC-70, 2x2 TDFN 3 2 1 SP7614A 6 Pin SC70 4 GND 5 VLED2 6 ON/OFF Pin outs for SP7611A and SP7612A on page 3 Part # SP7611A SP7612A SP7614A Channels 4 3 2 Maximum Steady State Current per LED 40mA 40mA 80mA APPLICATIONS Ultra low cost Handsets PDA, DSC, MP3 players Handheld Computers LCD Display Modules Keyboard Backlight LCD Backlight DESCRIPTION The SP761X driver family provides a simple solution for a matched current source for any color LED.
The current in the LEDs can be programmed by an external resistor.
The SP7611A is capable of driving four LEDs, while the SP7612A can drive three LEDs.
The SP7614A is designed to drive two high current LEDs.
LED1 should always be connected to an LED and never left open in order to have the other LEDs driven with a matched current to LED1.
The SP7612A and SP7614A feature Enable pins for flexible on/off control and PWM dimming.
SP7612A/4A has extremely low (0.
01uA typical) shutdown current, prolonging the battery life and giving the longest standby period possible in today's modern design.
SP761X driver family is available in a small footprint 6-pin SC-70 package as well as the 6-pin 2x2 TDFN.
TYPICAL APPLICATION SCHEMATIC VIN I SET VCONTROL RSET LED1 CTRL SP7614A ENABLE GND LED2 ® ® Apr20-07 RevS SP7611A/7612A/7614A Low Dropout Linear LED driver Page 1  2007 Sipex Corporation ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied.
Exposure to absolute maximum rating conditions for extended periods of time ...

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