• Part: ACT4082A
  • Manufacturer: Active-Semi
  • Size: 413.79 KB
Download ACT4082A Datasheet PDF
ACT4082A page 2
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ACT4082A page 3
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ACT4082A Key Features

  • Wide 4.5V to 16V Input Voltage Range
  • 1.2A Output Current (12VIN to 5VOUT)
  • Output Adjustable Down to 0.81V
  • 0.3Ω Internal Power MOSFET
  • Up to 92% Efficiency
  • Stable with Low ESR Ceramic Output Capacitors
  • Fixed 1.4MHz Operating Frequency
  • Internal Soft-Start Function
  • Over Current Protection with Hiccup-Mode
  • Thermal Shutdown

ACT4082A Description

The ACT4082A is a current-mode step-down DC/DC converter that supplies up to 1.2A into 5V from a 12V input. 1.4MHz switching frequency allows the use of tiny external ponents, and internal loop pensation provides simple, stable power supplies with a minimum.