Active-Semi
ACT4050 Rev 2, 01-Jul-11
Wide Input 3.
5A Step Down Converter
FEATURES
• 3.
5A Output Current • Up to 96% Efficiency • 4.
5V to 15V Input Range • 12µA Shutdown Supply Current • 400kHz Switching Frequency • Adjustable Output
Voltage From 0.
817V • Cycle-by-Cycle Current Limit Protection • Thermal Shutdown Protection • Frequency Fold-Back at Short Circuit • Stability with Wide Range of
Capacitors,
Including Low ESR Ceramic
Capacitors
• SOP-8/EP (Exposed Pad) Package
APPLICATIONS
• Digital TV • Portable DVDs • Car-Powered or Battery-Powered Equipments • Set-Top Boxes • Telecom Power Supplies • Consumer Electronics
GENERAL DESCRIPTION
The ACT4050 is a current-mode step-down DC/DC conv...