ST1S12GR - STMicroelectronics

Manufacturer Part Number

ST1S12GR

Manufacturer

STMicroelectronics

Introduction

Step-down regulator designed for effective power management in compact applications

Product Features and Performance

Buck topology for efficient voltage step-down conversion

Adjustable output voltage for versatile applications

Single output with up to 700mA current delivery

Integrated synchronous rectifier for improved efficiency

High switching frequency of 1.7MHz enabling smaller passive components

Wide input voltage range compatible with various supply levels

Operational temperature range suited for harsh environments: -40°C to 125°C

Compact surface mount SOT-23-5 package for space-limited PCBs

Product Advantages

High efficiency due to synchronous rectification

Compact design ideal for portable electronics

Thermal overload and short-circuit protection for robust operation

Low dropout operation for better performance under low input voltages

Key Technical Parameters

Input Voltage (Min): 2.5V

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 0.6V

Output Voltage (Max): 5.5V

Output Current: 700mA

Switching Frequency: 1.7MHz

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Over-temperature protection

Built-in overcurrent protection

High thermal performance package

Compatibility

Compatible with a wide range of input voltages

Suitable for applications requiring an adjustable output voltage

Application Areas

Portable and battery-powered devices

Consumer electronics

Telecommunications infrastructure

Industrial control systems

Product Lifecycle

Active status, currently in production

No reported discontinuation, with ongoing support and availability

Key Reasons to Choose This Product

High integration for minimal external components and compact design

Enhanced power efficiency suitable for battery-powered devices

Robust operation with built-in safety features

Ease of use with adjustable output voltage capability

STMicroelectronics' reputation for reliability and performance