LSP3172
FEATURES z 2.5A Output Current z Up to 90% Efficiency z 7V to 30V Input Range z 40µA Shutdown Supply Current z 400k Hz Switching Frequency z Adjustable Output Voltage z Cycle-by-Cycle Current Limit Protection z Thermal Shutdown Protection z Frequency Foldback at Short Circuit z Stability with Wide Range of Capacitors,
Including Low ESR Ceramic Capacitors z SOP8L Package
- TYPICAL APPLICATION z TFT LCD Monitors z Portable DVDs z Car-Powered or Battery-Powered Equipments z Set-Top Boxes z Tele Power Supplies z DSL and Cable Modems and Routers z Termination Supplies
- GENERAL DESCRIPTION
The LSP3172 is a current-mode step-down DC/DC converter that generates up to 2.5A of output current at 400k Hz switching frequency. Consuming only 40µA in shutdown mode, the LSP3172 is highly efficient with peak operating efficiency at 90%. Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit. The LSP3172 is available in a SOP8L package and...
