FEATURES
2A Output Current Up to 95% Efficiency 4.6V to 24V Input Range 40µA Shutdown Supply Current 400kHz Switching Frequency Adjustable Output Voltage Cycle-by-Cycle Current Limit Protection Thermal Shutdown Protection Frequency Foldback at Short Circuit Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors SOP8L Package GENERAL DESCRIPTION
Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit. TYPICAL APPLICATION TFT LCD Monitors Portable DVDs Car-Powered or Battery-Powered Equipments Set-Top Boxes Telecom Power Supplies DSL and Cable Modems and Routers Termination Supplies PIN ASSIGNMENT (Top View) PIN DESCRIPTION
Name BS No. 1 IN 2 SW 3 G4 FB 5 COMP 6 EN 7 N/C 8 DESCRIPTION
Bootstrap. This pin acts as the positive rail for the high-side switch’s gate driver. Connect a 0.1uF capacitor between BS and SW. Input Supply. Bypass this pin to G with a low ESR capacitor. See Input Capacitor in the Application Information section.
