See datasheet for actual packaging/pinout drawings

LM27961TLEV


Dual-Display White LED Driver with 3 2x Switched Capacitor Boost

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Texas Instruments LM27961TLEV

The LM27961 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 and 3 LEDs for a sub-display backlight. Regulated internal current sources deliver excellent current and brightness matching in all LEDs. The LM27961 works off an extended Li-Ion input voltage range (2.7V to 5.5V). Voltage boost is achieved with a high-efficiency 3/2x-gain charge pump. The LM27961 is available in TI's chip-scale 18-bump micro SMD package.

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