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