FEATURES
nn 3000:1 External PWM Dimming nn 250:1 Internal PWM Dimming nn Wide VIN Operating Range: 2.5V to 38.5V nn Synchronous Boost Output Voltage up to 60V nn Spread-Spectrum Frequency Modulation for Lower EMI nn PMOS Switch Driver for PWM and Output Disconnect nn Constant Current (±3.5%) Regulation nn Constant Voltage (±2%) Regulation nn Rail-to-Rail LED Current Sense: 0V to 60V nn Programmable VIN Undervoltage Lockout nn Analog Dimming via Two Control Pins nn 100kHz to 1MHz Operation nn Programmable Open LED Protection with OPENLED Flag nn Short-Circuit Protection and SHORTLED Flag nn Drives LEDs in Boost, SEPIC, Buck Mode, or Buck- Boost Mode Configurations nn 28 Lead TSSOP and QFN (4mm × 5mm) Exposed Pad Packages APPLICATIONS
nn Industrial and Automotive Lighting nn Accurate Current-Limited Voltage Regulators DESCRIPTION
Analog Devices
