ST1S03APUR - STMicroelectronics

Manufacturer Part Number

ST1S03APUR

Manufacturer

STMicroelectronics

Introduction

The ST1S03APUR is a buck (step-down) DC-DC switching regulator designed to provide an adjustable output voltage from a higher input voltage.

Product Features and Performance

Adjustable output voltage from 0.8V to 4.79V

Single output with a current capacity of 1.5A

High switching frequency of 1.5MHz

Operates within an input voltage range of 3V to 5.5V

Designed for surface mounting with 6-VDFN exposed pad

Not equipped with a synchronous rectifier

Supports operating temperatures from 0°C to 125°C (TJ)

Product Advantages

High output current suitable for various applications

Compact 6-DFN package saves board space

High-frequency operation allows for smaller external components

Key Technical Parameters

Voltage - Input (Min): 3V

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 0.8V

Voltage - Output (Max): 4.79V

Current - Output: 1.5A

Frequency - Switching: 1.5MHz

Operating Temperature: 0°C ~ 125°C (TJ)

Quality and Safety Features

Built to operate reliably within a wide temperature range

Compatibility

Compatible with other surface mount components in electronic circuits

Application Areas

Power supply units for various electronic devices

Battery-operated equipment

Portable electronics

Telecommunications

Product Lifecycle

Obsolete - Not recommended for new design

Users may need to consider replacements or upgrades

Several Key Reasons to Choose This Product

Efficient power management for devices requiring 1.5A output current

Adjustability provides design flexibility

High-switching frequency enables the use of small inductors and capacitors

Broad operating temperature range suitable for industrial applications

STMicroelectronics is a reputable manufacturer known for quality performance