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IC-Hersteller Qorvo

IC-Hersteller (84)

Qorvo ACT4060A

Wide Input 2A Step Down Converter


Eingangsspannung4.5-24 V
Schaltfrequenz350-450 kHz
Ausgang 12.5 V / 2 A
Ausgang 23.3 V / 2 A


The ACT4060A is a current-mode step-down DC/DC converter that provides up to 2A of output current at 400kHz switching frequency. The deviceutilizes Active-Semi’s proprietary high voltage process for operation with input voltages up to 24V. The ACT4060A provides fast transient responseand eases loop stabilization while providing excellent line and load regulation. This device features a very low ON-resistance power MOSFETwhich provides peak operating efficiency up to 96%.In shutdown mode, the ACT4060A consumes only 10μA of supply current.This device also integrates protection features including cycle-by-cycle current limit, thermal shutdown and frequency fold-back at short circuit.The ACT4060A is available in a SOP-8 package and requires very few external devices for operation.


  • 2A Output Current
  • Up to 96% Efficiency
  • 4.5V to 24V Input Range
  • 10μA Shutdown Supply Current
  • 400kHz Switching Frequency
  • Adjustable Output Voltage
  • Cycle-by-Cycle Current Limit Protection
  • Thermal Shutdown Protection
  • Frequency FoldBack at Short Circuit
  • Stability with Wide Range of Capacitors,Including Low ESR Ceramic Capacitors
  • SOP-8 Package

Typische Anwendungen

  • Car-Powered or Battery-Powered Equipments
  • Portable DVDs
  • Set-Top Boxes
  • Telecom Power supply
  • TFT LCD Monitors
  • Termination Supplies
  • DSL and Cable Modems and Routes

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