Part ST1S10
Description monolithic synchronous step-down regulator
Category Voltage Regulator
Manufacturer STMicroelectronics
Size 1.86 MB
STMicroelectronics

ST1S10 Overview

Description

The ST1S10 is a high efficiency step-down PWM current mode switching regulator capable of providing up to 3 A of output current. The device operates with an input supply range from 2.5 V to 18 V and provides an adjustable output voltage from 0.8 V (VFB) to 0.85 * VIN_SW [VOUT = VFB * (1 + R1/R2)].

Key Features

  • Step-down current mode PWM regulator
  • Output voltage adjustable from 0.8 V
  • Input voltage from 2.5 V up to 18 V
  • 2% DC output voltage tolerance
  • Synchronous rectification
  • Inhibit function
  • Synchronizable switching frequency from 400 kHz up to 1.2 MHz
  • Internal soft start
  • Dynamic short-circuit protection
  • Typical efficiency: 90%