LM27964 Datasheet PDF (White LED Driver) | Download Texas Instruments LM27964

LM27964 - White LED Driver

Description

The LM27964 is a charge-pump-based white-LED driver that is ideal for mobile phone display backlighting.

The LM27964 can drive up to 6 LEDs in parallel along with multiple keypad LEDs, with a total output current up to 180mA.

Features

1.
2 87% Peak LED Drive Efficiency.
0.2% Current Matching between Current Sinks.
Drives 6 LEDs with up to 30mA per LED in Two Distinct Groups, for Backlighting Two Displays (main LCD and sub LCD).
Dedicated Keypad LED Driver with up to 80mA of Drive Current.
Independent Resistor-Programmable Current Settings.
I2C Compatible Brightness Control Interface.
Adaptive 1×- 3/2× Charge Pump.
Extended Li-Ion Input: 2.7V to 5.5V.

Datasheet Details

Part number	LM27964
Manufacturer	Texas Instruments
File Size	1.33 MB
Description	White LED Driver
Datasheet	LM27964 Datasheet
Additional preview pages of the LM27964 datasheet.

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Full PDF Text Transcription

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LM27964 www.ti.com SNOSAL6D – MAY 2005 – REVISED MAY 2013 LM27964 White LED Driver System with I2C Compatible Brightness Control Check for Samples: LM27964 FEATURES 1 •2 87% Peak LED Drive Efficiency • 0.2% Current Matching between Current Sinks • Drives 6 LEDs with up to 30mA per LED in Two Distinct Groups, for Backlighting Two Displays (main LCD and sub LCD) • Dedicated Keypad LED Driver with up to 80mA of Drive Current • Independent Resistor-Programmable Current Settings • I2C Compatible Brightness Control Interface • Adaptive 1×- 3/2× Charge Pump • Extended Li-Ion Input: 2.7V to 5.5V • Small Low Profile Industry Standard Leadless Package, WQFN-24 : (4mm x 4mm x 0.

Published: May 5, 2020 |