Part ST1S32
Description 4A DC step-down switching regulator
Category Voltage Regulator
Manufacturer STMicroelectronics
Size 783.95 KB
STMicroelectronics

ST1S32 Overview

Description

The ST1S32 is an internally compensated 1.5 MHz fixed-frequency PWM synchronous stepdown regulator. The ST1S32 operates from 2.8 V to 5.5 V input, while it regulates an output voltage as low as 0.8 V and up to VIN.

Key Features

  • 4 A DC output current
  • 2.8 V to 5.5 V input voltage
  • Output voltage adjustable from 0.8 V
  • 1.5 MHz switching frequency
  • Internal soft-start and enable
  • Integrated 60 mΩ and 45 mΩ Power MOSFETs
  • All ceramic capacitor
  • Power Good (POR)
  • Cycle-by-cycle current limiting
  • Current foldback short-circuit protection