DESCRIPTION
Block Diagram EN Regulator Current Sense Amplifier Current Sense + Contol Logic IN P-MOS OSC 600KHz PWM Comparator Error Amplifier + 0.4V SoftStart SW GND FB COMP Aimtron reserves the right without notice to change this circuitry and specifications. 7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: 3/24/2006 REV:2.0 Email: service@aimtron.com.tw AT1314 Preliminary Product Information High-Efficiency Step-Down Current Regulator For LEDs Pin Configuration Ordering Information Part number AT1314S_GRE Package SOP-8,Green Marking AT1314S,Date Code with one bottom line *For more marking information, contact out sales representative directly Pin Descriptions Pin N0. 1 2 3 4 Symbol IN EN COMP FB GND SW I/O P I O I P O DESCRIPTION
Power Input. IN supplies power to the IC and Step-down converter switch. IN must be bypassed with a low-ESR capacitor. Enable input. EN is a digital input that turns the regulator on/off.
Aimtron Technology
