LM27953
Overview
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.
- Drives 4 Individual Common-Anode LEDs with up to 20mA each for a Main Display Backlight
- Independent Resistor-Programmable Current Setting
- Excellent Current and Brightness Matching
- High-Efficiency 3/2x Charge Pump
- Extended Li-Ion Input: 2.7V to 5.5V
- PWM Brightness Control: 100Hz - 1kHz
- 18-bump Thin Micro SMD Package: (2.1mm x 2.4mm x 0.6mm)
