SC5010数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The SC5010 is an 8-channel high-precision, high-efficiency step-up (Boost) LED driver for backlight applications. It features wide input voltage range (4.5V to 27V) , fl exible output configuration, wide analog and PWM dimming range, phase shifting and fading. It also features video signal synchronization (VSYNC), I2C interface, and numerous protection features. An optional disconnect p-MOSFET provides true load disconnection and inrush current limiting.

特性 Features

·VIN Range — 4.5V to 27V, VOUT Range — Up to 50V
·Step-up (Boost) Controller·Excellent Transient Response
·Programmable Switching Frequency

·Linear Current Sinks·8 Strings, up to 30mA/String
·Current Matching ±1%
·Current Accuracy ±1.5%

·PWM Dimming·String-by-String Phase Shifting
·Input Dimming Frequency 100Hz-30kHz
·User Selectable 9 or 10 Bits Dimming Resolution
·Optional Synchronization to VSYNC/HSYNC Signal

·5-bit Analog Dimming
·Optional External p-MOSFET Disconnect Switch·True Load Disconnect and Inrush Current Limiting

·I2C Interface·Fault Status — Open/Short LED, UVLO, OTP
·Device Control — SYNC Freq, PLL Setting

·Protection Features·Open/Shorted LED(s) and adjustable OVP
·Over-Temperature and UVLO Shutdown Protection

·4 X 4(mm) 28-pin QFN Package

应用 Application

·Notebook PCs
·UMPC 
·LCD Monitors
·Tablet PCs

简介

SC5010属于集成电路（IC）的LED驱动器。由制造生产的SC5010LED 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。