LP8545 Datasheet | Texas Instruments

.ti. SNVS635D - APRIL 2010 - REVISED DECEMBER 2013 High-Efficiency LED Backlight Driver for Notebooks Check for Samples: LP8545 Features - 2 High-Voltage DC/DC Boost Converter with Integrated FET with Four Switching Frequency Options: 156/312/625/1250 k Hz - Configurable for Use with External FET for Applications Needing Higher Output Voltage - 2.7V - 22V Input Voltage Range to Support 1x…5x Cell Li-Ion Batteries - Programmable PWM Resolution - 8 to 13 True Bit (Steady State) - Additional 1 to 3 Bits Using Dithering During Brightness Changes - I2C and PWM Brightness Control - PWM Output Frequency and LED Current Set Through Resistors - Optional Synchronization to Display VSYNC Signal - 6 LED Outputs with LED fault (Short/Open) Detection - Low Input Voltage, Over-Temperature, Over- Current Detection and Shutdown - Minimum Number of External ponents - WQFN 24-Pin Package, 4 x 4 x 0.8 mm APPLICATIONS - Notebook and Netbook LCD Display LED Backlight - LED Lighting DESCRIPTION The LP8545 is a white LED driver with integrated boost converter. It has six adjustable current sinks which can be controlled by PWM input or with I2Cpatible serial...