Qorvo 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 higher light load efficiency. The devices are available in a SOP-8EP package and require very few external devices for operation.| Part No. | ACT4070B |
|---|---|
| Datasheet | ACT4070B Download |
| Manufacturer |  Qorvo |
| Description | Wide Input 3A Step Down Converter |
| Buy | Stock & Price |
FEATURES
● 3A Output Current● Up to 95% Efficiency
● 6V 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 TYPICAL APPLICATION CIRCUIT ACT4070B Wide Input 3A Step Down Converter
GENERAL DESCRIPTION
ACT4070B can be dropped into ACT4070 socket with only feedback resistance value changed. ACT4070B’s protection features include Cycle-by-Cycle current limit, thermal shutdown, and frequency foldback at over current and short circuit. Note: ACT4070B is the replacement part for ACT4070.
