AL3065A中文资料Boost Controller With 4-Channel High Percision Current Source数据手册Diodes规格书

描述 Description

The AL3065A is a high level of integration boost controller with 4-channel for WLED backlight applications. It operates over a wide input voltage ranged from 4.5V to 33V.

特性 Features

•Input Voltage Range: 4.5V to 33V
•Four High-Precision Current Sources
•Current Matching ±0.5% (typical)
•LED String Current up to 250mA per Channel, 400mA Pulse Current
•Low Ripple for Low BOM Cost
•4KV HBM ESD Class
•High Voltage Pins CS and OVP for Safety Test
•Supports Direct PWM Dimming, PWM to Analog Dimming and DC to Analog Dimming Control
•Minimum PWM Dimming Duty Cycle can be 1/10,000 at 100Hz Dimming Frequency
•Built-in Below Comprehensive Protections
•Over-Current Protection (OCP)
•Over-Voltage Protection (OVP)
•Over-Temperature Protection (OTP)
•Under-Voltage Lock Out (UVLO)
•LED Open/Short Protection
•Schottky Diode/Inductor Short-Circuit Protection
•VOUT Short/Schottky Diode Open Protection

应用 Application

•LCD Monitor
•LCD Display Module
•LCD TV

简介

AL3065A属于集成电路（IC）的LED驱动器。由制造生产的AL3065ALED 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。