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ST1S30 - PWM step-down switching regulator

Description

The ST1S30 is a step-down DC-DC converter optimized for powering low output voltage applications.

It supplies a current in excess of 3 A over an input voltage range from 2.7 V to 6 V.

A high PWM switching frequency (1.5 MHz) allows the use of tiny surface-mount components.

Features

  • 1.5 MHz fixed frequency PWM with current control mode.
  • 3 A output current capability.
  • Typical efficiency: > 90%.
  • 2 % DC output voltage tolerance.
  • Two versions available: power good or inhibit.
  • Integrated output over-voltage protection.
  • Non switching quiescent current: (typ. ) 1.5 mA over temperature range.
  • RDSon (typ. ) 100 mΩ.
  • Utilizes tiny capacitors and inductors.
  • Operating junction temp. -25 °C to 125 °C.

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Full PDF Text Transcription

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ST1S30 3 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification Datasheet - production data DFN8 (4 x 4 mm) Features • 1.5 MHz fixed frequency PWM with current control mode • 3 A output current capability • Typical efficiency: > 90% • 2 % DC output voltage tolerance • Two versions available: power good or inhibit • Integrated output over-voltage protection • Non switching quiescent current: (typ.) 1.5 mA over temperature range • RDSon (typ.) 100 mΩ • Utilizes tiny capacitors and inductors • Operating junction temp. -25 °C to 125 °C • Available in DFN8 (4 x 4 mm) exposed pad Description The ST1S30 is a step-down DC-DC converter optimized for powering low output voltage applications. It supplies a current in excess of 3 A over an input voltage range from 2.7 V to 6 V.
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