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AMS2596 - 3A 30V Step-Down Converter

General Description

The AMS2596 is a high efficiency, non-synchronous step down regulator delivering up to 3A of output current making it ideal for medium to heavy load applications.

It is designed to operate with wide input voltage range of 4.5 to 30V while maintaining 1mA of supply current at no load.

Key Features

  • VIN range: 4.5 - 30V.
  • VOUT range: 1.25V to 7V fixed output Voltage in 100mV steps.
  • Adjustable version output voltage range from 1.2V to 25V.
  • Up to 5A output current.
  • 150kHz switching frequency.
  • 900µA supply current.
  • 80uA standby quiescent current.
  • 100% Duty Cycle.
  • Excellent line and load regulation.
  • Internal Soft Start.
  • Internal compensation.
  • Under voltage lockout.
  • Current Limit.

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General Description The AMS2596 is a high efficiency, non-synchronous step down regulator delivering up to 3A of output current making it ideal for medium to heavy load applications. It is designed to operate with wide input voltage range of 4.5 to 30V while maintaining 1mA of supply current at no load. The output voltage is either factor programmed or set via two external resistors to as low as 1.23V. The regulator operates at fixed 150kHz switching frequency ensuring low output ripple across the entire load. It requires only four external components for minimum PCB footprint and lowest overall system cost. An independent Enable pin provides electrical On/Off of the regulator. When connected to logic high, the regulator shuts down and consumes less than 100µA of current.