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R5973D - Up to 2A step-down switching regulator

Description

The R5973D is a step-down monolithic power switching regulator with a minimum switch current limit of 2.25 A so it is able to deliver up to 2 A DC current to the load depending on the application conditions.

The output voltage can be set from 1.235 V to 35 V.

Features

  • General features.
  • 2 A DC output current.
  • Operating input voltage from 4 V to 36 V.
  • 3.3 V / (± 2%) reference voltage.
  • Large ambient temperature range: -40 °C to 125 °C.
  • Output voltage adjustable from 1.235 V to 35 V.
  • Low dropout operation: 100% duty cycle.
  • 250 kHz internally fixed frequency.
  • Voltage feed-forward.
  • Zero load current operation.
  • Internal current limiting.
  • Inhibit for zero current.

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Other Datasheets by STMicroelectronics

Part Number Description
R5973AD Up to 1.5A step-down switching regulator
R5972D Up to 1.5A step-down switching regulator
R5975D Up to 3A step-down switching regulator

Full PDF Text Transcription

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R5973D Up to 2 A step-down switching regulator for aerospace applications HSOP8 - exposed pad Features  General features – 2 A DC output current – Operating input voltage from 4 V to 36 V – 3.3 V / (± 2%) reference voltage – Large ambient temperature range: -40 °C to 125 °C – Output voltage adjustable from 1.
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