SiP12501 Datasheet - Vishay Siliconix

SiP12501 Boost Controller for Single/Double AA Cell or NiMH Battery

SiP12501 is a boost converter IC for single or double cell NiMH or Alkaline battery pack, which can drive white LEDs connected in parallel to provide backlight in hand-held devices. Designed with an internal low threshold power MOSFET, it is capable of starting up with a low battery voltage of 0.65 .

SiP12501 Features

* D Voltage Mode Control with Internal Frequency Compensation D 0.65-V to 3.3-V Input Voltage Range D Low Startup Voltage: 0.65 V D PWM Control with 600-kHz Fixed Switching Frequency D Analog Control of LED Intensity D Power Supply from Output Voltage D Regulated Output Current D Integrated UVLO and S

SiP12501_VishaySiliconix.pdf