AAT2893IUL-1-T1集成电路（IC）的LED驱动器规格书PDF中文资料

AAT2893IUL-1-T1属于集成电路（IC）的LED驱动器。由美国思佳讯公司制造生产的AAT2893IUL-1-T1LED 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。

特性 Features

WLED Driver

• 1.3MHz Switching Frequency

• Over-voltage Protection

▪ AAT2893-1 up to 42V

▪ AAT2893-2 up to 33V

• Automatic Soft Start

• Programmable Backlight Current

▪ 28.6mA Maximum Current

▪ 128 Levels (7-bit): 0 – 28.6mA

▪ Programmable Fade-in and Fade-out

• Advanced Dimming Features

▪ Ambient Light Sensor Management

▪ Direct Ambient Dimming Function

- 128 Programmable Levels

▪ CABC Compatible PWM Dimming

Four Linear Regulators

▪ LDOA up to 300mA

▪ LDOB, LDOC and LDOD up to 150mA

▪ 150mV Dropout

▪ I2C Programmable Outputs: 1.2V to 3.3V

▪ Output Auto-Discharge for Fast Shutdown

• Input Voltage Range: 3.0V to 5.5V

• Built-In Over-temperature Protection

• Industry Standard I2C Programming Interface

• -40°C to 85°C Temperature Range

• 2.0mm x 2.5mm, 20 Ball, 0.4mm Pitch CSP Package