AT6331

AT6331 BOOST or SEPIC DC-DC Controller FEATURES Wide Input Voltage Range: 2.7V to 5.5V Boost or SEPIC DC-DC Mode Controller VCC Under Voltage Lockout SOT-26 Lead-free Package Immense Advance Tech. DESCRIPTION The AT6331 are integrated, high-efficiency white or RGB LED drivers. They are designed for LED lighting applications. The AT6331 it can be used with boost or buckboost (SEPIC) topologies. The constant- current outputs are single resistor or PWM programmable and the LED current can be adjusted. The AT6331 is available in SOT-26 Lead-free package. APPLICATION Handheld Electronics MR-16 Lighting Divice ORDER INFORMATION AT 6331 –KF R IAT Circuit Type Shipping: R: Tape & Reel T: Tube KF: SOT-26 PIN CONFIGURATIONS (TOP VIEW) Marking Rev.1.0 Jan.2016 www.iatiat.com RoHS Compliant and Halogen Free 1 AT6331 BOOST or SEPIC DC-DC Controller PIN DESCRIPTIONS Pin Symbol FB VCC ADJ CS GND SW Pin Description Voltage Feed Back pin. Power Supply Dimming pin Switch Current Sense Gr...