PM8903TR - STMicroelectronics

Manufacturer Part Number

PM8903TR

Manufacturer

STMicroelectronics

Introduction

Low voltage step-down regulator for power management applications

Product Features and Performance

Adjustable output voltage

High efficiency synchronous buck topology

3A output current capability

Wide input voltage range from 2.8V to 6V

1MHz switching frequency for compact filtering

Exposed pad VFQFN-16 package for improved thermal performance

Product Advantages

Synchronous rectifier for better efficiency

Stable with low ESR ceramic capacitors

Adjustable output from 0.6V to 6V for design flexibility

High-frequency operation allowing for small-sized components

Key Technical Parameters

Input Voltage (Min): 2.8V

Input Voltage (Max): 6V

Output Voltage (Min/Fixed): 0.6V

Output Voltage (Max): 6V

Current - Output: 3A

Frequency - Switching: 1.1MHz

Operating Temperature: -25°C to 125°C

Quality and Safety Features

Operating Temperature range suitable for industrial applications

Compatibility

Surface mount compatible

Designed for use with low ESR ceramic capacitors

Application Areas

Portable devices

Power supplies for FPGAs, DSPs, and microprocessors

Product Lifecycle

Obsolete status with possible unavailability

Replacement or upgrade options may be necessary

Several Key Reasons to Choose This Product

Highly efficient power management for portable electronics

Flexibility in output voltage settings

Thermal efficiency due to package design

Suitable for automated PCB assembly with surface mount technology

High-frequency operation minimizes the size of passive components