Features

• VIN Range: 2.7V to 5.5V

• Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum

Efficiency and VF Coverage

• Drives Low-VF and High-VF Type LEDs

• Up to Four 30mA Outputs

• AS2Cwire Independent 3+1 Output Addressing

• 32-Position Logarithmic Scale with Digital Control

• Low Noise Constant Frequency Operation

• 1MHz Switching Frequency

• AutoBias Technology

• Small Application Circuit

• Regulated Output Current

• Automatic Soft Start

• No Inductors

• IQ <1μA in Shutdown

• 12-Pin TSOPJW Package