LM27964 - White LED Driver

Product Overview

Texas Instruments

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.

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.

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.

LM27964 - White LED Driver System (National Semiconductor)
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LM27961 - Dual-Display White (National Semiconductor)
LM27965 - Dual Display White LED Driver (National Semiconductor)
LM27966 - White LED Driver (National Semiconductor)
LM2791 - Current Regulated Switched Capacitor LED Driver (National Semiconductor)
LM2792 - Current Regulated Switched Capacitor LED Driver (National Semiconductor)
LM2793 - Low Noise White LED Driver (National Semiconductor)
LM2794 - Current Regulated Switched Capacitor LED Driver (National Semiconductor)
LM27951 - White LED Adaptive 1.5X/1X Switched Capacitor Current Driver (National Semiconductor)

Other Datasheets by Texas Instruments

Published: May 5, 2020 |