SC653数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The SC653 is a highly integrated light management unit that provides two low-noise LDOs, a multi-mode high efficiency charge pump, and four programmable LED drivers. Performance is optimized for use in single-cell Liion battery applications.

特性 Features

·Input supply voltage range — 2.9V to 5.5V
·Four programmable current sinks with 29 steps from0mA to 25mA
·Very high effi ciency charge pump driver system withthree modes — 1x, 1.5x and 2x
·One programmable 100mA low-noise LDO regulator
·One programmable 150mA low-noise LDO regulator
·Charge pump frequency — 250kHz
·SemPulse single wire interface
·Backlight current accuracy — ±1.5% typical
·Backlight current matching — ±0.5% typical
·Fade-in/fade-out feature for main backlight
·Automatic sleep mode (LEDs off ) — IQ = 100μA
·Shutdown current — 0.1μA (typical)
·Ultra-thin package — 2.3 x 2.3 x 0.6 (mm)
·Fully WEEE and RoHS compliant

应用 Application

·Cellular phones, smart phones, and PDAs
·LCD modules
·Portable media players
·Digital cameras and GPS units
·Display backlighting and LED indicators

简介

SC653属于集成电路（IC）的LED驱动器。由制造生产的SC653LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。