AAT2848中文资料High-Current Charge Pump For Backlight Display and Flash Applications数据手册Skyworks规格书

描述 Description

闪光灯驱动器

特性 Features

·Tri-Mode (1x/1.5x/2x) Charge Pump
·Four 30mA Backlight LED Channels
·Independent S²Cwire Control for Backlight
·32-Level Programmable Backlight Current Control—Linear, Inverting
·Two 300mA Flash LED Channels Independent S2Cwire Control for Flash
·16-Level Programmable Flash Current Control—Linear, Inverting
·User-Programmable Full Scale Current for Backlight and Flash
·User-Programmable Fade-In/Fade-Out Function for Backlight
·User-Programmable Safety Timer for Flash LED Protection
·Built-In Thermal Protection
·Automatic Soft-Start
·-40°C to +85°C Temperature Range
·Available in TQFN33-20 Package

简介

AAT2848属于集成电路（IC）的LED驱动器。由制造生产的AAT2848LED 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。