KTZ8850数据手册Kinetic中文资料规格书

特性 Features

·Wide input range: 3.0V~5.5V
·High efficiency step-up LED driver with dual output regulator for LCD bias power
·Drive up to 10 series LEDs or 2 parallel strings of 8 series LEDs
·Backlight efficiency: up to 86%
·Highly integrated 40V Power MOSFET
·Flexible dimming control
256-step I2C Controlled or
High resolution PWM from 5kHz to 100kHz
·High accuracy across full load range
·Programmable LED open-circuit (OVP)/Short protection
·Low 200mV feedback voltage
·1MHz High switching frequency
·Internal over voltage protection (default 36V)
·Programmable dual Bias output regulator based on single inductor solution
·Charge pump PFM mode at light load
·LCD Bias efficiency up to 90%
·Wide dual output voltage range: +/-4.0V to +/-6.3V (100mV/step)
·Typ. 2% output voltage accuracy
·Maximum peak output current up to 80mA
·Active output discharge function
·Low quiescent current
·Cycle-by-cycle inductor current limit
·1 µA shutdown current
·Pb-free Packages: WLCSP-18
·-40°C to +85°C Temperature Range

应用 Application

·Smartphone
·Tablet Backlight
·Netbook/Notebook Backlight
·PDA/GPS Backlight; Portable Media Player