Features

• Input Voltage Range: 2.7V to 5.5V

• Maximum Continuous Output 40V @ 30mA

• Drives up to 10 LEDs in Series

▪ Constant LED Current with 3.5% Accuracy Over

Temperature and Input Voltage Range

• Digital Control with S2Cwire Single Wire Interface

▪ 26 Discrete Steps

▪ No PWM Control Required

▪ No Additional Circuitry

• Up to 85% Efficiency

• Up to 2MHz Switching Frequency Allows Small External

Chip Inductor and Capacitors

• Hysteretic Control

▪ No External Compensation Components

▪ Excellent Load Transient Response

▪ High Efficiency at Light Loads

• Integrated Soft Start with No External Capacitor

• True Load Disconnect Guarantees <1.0μA Shutdown

Current

• Selectable Feedback Voltage Ranges for High Resolution

Control of Load Current

• Short-Circuit, Over-Voltage, and Over-Temperature

Protection

• 12-Pin TSOPJW Package

• -40°C to +85°C Temperature Range