MAX1577Y Datasheet (Maxim Integrated Products) - 1.2A White LED Regulating Charge Pump

MAX1577Y, 1.2A White LED Regulating Charge Pump

The MAX1577Y/MAX1577Z charge pumps drive white LEDs, including camera strobes, with regulated current up to 1.2A (guaranteed to 800mA).

The very low openloop output resistance allows high flash brightness, even from a low battery input voltage.

The adaptive 1x/2x regulating charge-pump operation pro

MAX1577Y Features

* Up to 1.2A Output Drive Capability (800mA Guaranteed)

* Up to 92% PLED / PBATT Efficiency for Movie Mode

* Flexible Brightness Control Two-Bit Logic for 100%, 33%, 20%, and Off PWM for 20% to 100%

* 3% Current Regulation Over Line and Temperature

* Current o