STBB1PUR - STMicroelectronics

Manufacturer Part Number

STBB1PUR

Manufacturer

stmicroelectronics

Introduction

The STBB1PUR is a versatile power management integrated circuit (PMIC) designed for DC DC switching with buck-boost topology, enabling voltage regulation in applications requiring a switchable source from 2V to 5.5V input.

Product Features and Performance

Adjustable output voltage from 1.2V to 5.5V

Buck-Boost topology handling Step-Up and Step-Down voltage needs

High-efficiency synchronous rectifier

Switching frequency of 1.5 MHz for fast response and reduced noise

Maximum output current capacity of 1.6A

Designed for surface mount technology

Capable of operating in temperatures ranging from -40°C to 85°C

Product Advantages

Flexibility in handling varying voltage inputs and outputs

Compact 10-VFDFN exposed pad package maximizing space efficiency

High current output suitable for demanding applications

Key Technical Parameters

Input Voltage Range: 2V to 5.5V

Output Voltage Range: 1.2V to 5.5V

Output Current: 1.6A (Switch)

Switching Frequency: 1.5MHz

Operational Temperature Range: -40°C to 85°C

Quality and Safety Features

Built-in thermal and overcurrent protection ensuring device safety under varying operating conditions

Compatibility

Compatible with a wide range of electronic applications requiring adjustable power supply voltages

Application Areas

Portable devices, battery-powered electronics, and power supply backup systems

Product Lifecycle

Currently classified as Obsolete

Replacement or upgrade options should be inquired directly with stmicroelectronics or other suppliers

Several Key Reasons to Choose This Product

Adaptability with both Step-Up and Step-Down functions

Energy-efficient switching with synchronous rectification

Suitable for space-constrained applications with its compact layout

Ability to operate in extreme temperature conditions with reliability

High switching frequency minimizing noise and improving response time