Description
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.
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 or Voltage Regulation for Flash and Backlighting (MAX1577Y).
- Current Regulation for Flash (MAX1577Z).
- Low Ripple and EMI.
- 2.7V to 5.5V Supply Voltage Range.
- Soft-Sta.