SC5014MLTRT集成电路（IC）的LED驱动器规格书PDF中文资料

SC5014MLTRT属于集成电路（IC）的LED驱动器。由Semtech Corporation制造生产的SC5014MLTRTLED 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。

Description

The SC504 is a 4-channel, highly integrated, high-efficiency step-up (boost) HB LED driver designed to reduce

the thickness of mid-size LCD displays. It features a wide input voltage range (4.5V to 27V), phase-shifted PWM

dimming, analog dimming, a flexible output configuration, an I2C interface, and numerous protection features.

Features

Input Voltage — 4.5V to 27V

Output Voltage — Up to 50V

Step-up (Boost) Controller

Ultra-Fast Transient Response (<00μs)

Programmable Switching Frequency

Linear Current Sinks

4 Strings, up to 20mA/String

Current Matching ±

Current Accuracy ±2

PWM Dimming

String-by-String Phase Shifting

Input Dimming Frequency 00Hz-30kHz

User Selectable 9 or 0-Bits Dimming Resolution

5-Bits Analog Dimming

I2C Interface

Fault Status — Open/Short LED, UVLO, OTP

Device Control: PLL Setting

Protection Features

Open/Shorted LED(s) and adjustable OVP

Over-Temperature and UVLO Shutdown Protection

4mm X 4mm 20-pin QFN Package

Applications

UltrabooksTM, All-in-One PCs, Monitors, Automotive Display Backlighting

Backlighting for Mid-Size Displays