PM8903ATR - STMicroelectronics

Manufacturer Part Number

PM8903ATR

Manufacturer

STMicroelectronics

Introduction

STMicroelectronics PM8903ATR is a highly efficient step-down voltage regulator, designed for various electronic applications that require lower power consumption and space-saving solutions.

Product Features and Performance

Adjustable output voltage ranging from 0.6V to 6V

Single output with a maximum current capacity of 3A

Buck topology for efficient step-down voltage conversion

Switching frequency of 1.1MHz

Integrated synchronous rectifier to minimize power losses

Supports a wide input voltage range from 2.8V to 6V

Designed to operate over an extended temperature range of -25°C to 125°C (TJ)

Product Advantages

High efficiency and reduced heat generation

Suitable for battery-powered devices due to low input voltage capability

Stable performance across a wide temperature range

Compact 16-VFQFN package for space-constrained applications

Key Technical Parameters

Input Voltage (Min): 2.8V

Input Voltage (Max): 6V

Output Voltage (Min/Fixed): 0.6V

Output Voltage (Max): 6V

Output Current: 3A

Switching Frequency: 1.1MHz

Topology: Buck

Operating Temperature Range: -25°C ~ 125°C (TJ)

Quality and Safety Features

Built to comply with industry standards for quality and safety

Thermal protection within operating temperature range

Compatibility

The PM8903ATR is compatible with a wide range of microcontrollers and digital devices requiring DC power regulation.

Application Areas

Portable and battery-powered devices

Telecommunications

Consumer electronics

Industrial control systems

Automotive modules

Product Lifecycle

Product Status: Active

The PM8903ATR is not reported as nearing discontinuation and replacements or upgrades should be available.

Several Key Reasons to Choose This Product

Efficient power conversion for extended battery life in portable devices

Flexible voltage input and output range suitable for a multitude of applications

Integrated synchronous rectification for improved performance

Robust thermal performance for reliability in challenging environments

The compact package saves board space and facilitates integration into existing designs.