SC662数据手册Semtech中文资料规格书

描述 Description

The SC662 is a high efficiency charge pump LED driver using Semtech’s proprietary charge pump technology. Performance is optimized for use in single-cell Li-ion battery applications.

特性 Features

·Input supply voltage range — 2.9V to 5.5V
·Very high efficiency charge pump driver system with three modes — 1x, 1.5x and 2x
·Six programmable current sinks — 0mA to 25mA
·Up to three LED grouping options
·Fade-in/fade-out feature for main LED bank
·Selectable charge pump frequency — 250kHz/1MHz
·SemPulse® single wire interface
·Backlight current accuracy — ±1.5% typical
·Backlight current matching — ±0.5% typical
·LED float detection
·Automatic sleep mode with all LEDs off
·Sleep mode quiescent current — 60μA typical
·Shutdown current — 0.1μA typical
·Ultra-thin package — 2 x 2 x 0.6 (mm)
·Lead-free and halogen-free
·WEEE and RoHS compliant

应用 Application

·Cellular phones, smart phones, and PDAs
·LCD modules
·Portable media players
·Digital cameras
·Personal navigation devices
·Display/keypad backlighting and LED indicators