Active-Semi ACT4070B
ACT4070B is a wide input voltage step-down DC/DC converter that provides up to 3A output current at 300kHz switching frequency. ACT4070B is a replacement part for ACT4070 with advanced features such as lower standby current and hFEATURES
● 3A Output Current● Up to 95% Efficiency
● 6.5V to 30V Input Range
● 100µA Shutdown Supply Current
● 4mA Standby Input Current
● 300kHz Switching Frequency
● Output Voltage Up to 12V
● Cycle-by-Cycle Current Limit Protection
● Thermal Shutdown Protection
● Internal Soft Start Function
● Frequency Fold Back at Short Circuit
● Stability with Wide Range of Capacitors
● Including Low ESR Ceramic Capacitors
● SOP-8/EP (Exposed Pad) Package
APPLICATIONS
● TFT LCD Monitors or Televisions and HDTV● Portable DVD Players
● Car-Powered or Battery-Powered Equipment
● Set-Top Boxes
● Telecom Power Supplies
● DSL and Cable Modems and Routers
GENERAL DESCRIPTION