BCT3211S

DC/DC Converter for White LED Torch/Head Lamp

General Description

The BCT3211S is a constant frequency charge pump DC/DC Converter designed for white LED driver with high driving current capability up to 200mA. The BCT3211S has wide input voltage range from 1.5V to 3.6V is designed for use in low cost application where standard batteries are preferred.

Features

•  On chip DC/DC converter
• Wide input voltage range: 1.5V to 3.6V
• Enter flash mode without hardware switch:
  Flash mode is enabled by power switch ON, then OFF -> ON within ~1 Second
• Maximum output current: 200mA
• On Chip Oscillator
• Low power consumption
• Wide operation temperature:
  -20 °C to 70 °C
• Output current adjustable by external resistor at pin CS
• Shutdown control pin
• Available in SOP16 package and die form

Applications

• White LED Torch / Head Lamp
• Back Light Driver
• Handheld Electronics

Package

Typical Application Circuit

Product Overview Download [pdf]

Full Datasheet Download [pdf]