LM27953 - White LED Driver
The LM27953 is a charge-pump-based white-LED driver that is ideal for mobile phone display backlighting.
It is intended to drive 4 LEDs for a main phone display backlight.
Regulated internal current sources deliver excellent current and brightness matching in all LEDs.
The LED driver current sinks c
LM27953 Features
* n Drives 4 Individual Common-Anode LEDs with up to 20mA each for a Main Display Backlight n Independent Resistor-Programmable Current Setting n Excellent Current and Brightness Matching n High-Efficiency 3/2x Charge Pump n Extended Li-Ion Input: 2.7V to 5.5V n PWM Brightness Control: 100Hz - 1kHz n
