Datasheet Summary
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
- Tele Power Supplies
- Consumer Electronics
GENERAL DESCRIPTION
The ACT4050 is a current-mode step-down DC/DC...