LM27953 driver equivalent, white led driver.
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 Brig.
n n n n Mobile Phone Display Lighting Mobile Phone Keypad Lighting PDAs General LED Lighting
Typical Application Circui.
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 ma.
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