LM3501TL-16EV

用于白光 LED 应用的同步升压 DC DC 转换器

概述

描述

A high efficiency synchronous step-up DC/DC converter with analog brightness control designed for white LED applications.

特性

• Synchronous rectification, high efficiency and no external schottky diode required

• Uses small surface mount components

• Can drive up to 3 (or 4 low VF) white LEDs in series

• 2.7V to 7V input range

• True shutdown isolation, no LED leakage current

• DC voltage LED current control

• Input undervoltage lockout

• Output overvoltage protection, no external zener diode required

• Requires only a small 16V ceramic capacitor at the output

• Thermal Shutdown

• 0.1microA shutdown current

• Small 8-bump thin micro SMD package

Applications:

• LCD Bias Supplies

• White LED Back-Lighting

• Handheld Devices

• Digital Cameras

• Portable Applications