STBB1-APUR - STMicroelectronics

Manufacturer Part Number

STBB1-APUR

Manufacturer

STMicroelectronics

Introduction

STBB1-APUR by STMicroelectronics is a versatile DC-DC switching regulator designed for power management, offering both step-up and step-down functionalities to maintain a stable output voltage over a wide range of input voltages.

Product Features and Performance

Buck-Boost topology enabling efficient voltage regulation

Adjustable output voltage ranging from 1.2V to 5.5V

Capable of delivering up to 1.6A output current (Switch)

Switching frequency of 1.5MHz allows for smaller passive components

Integrated synchronous rectifier for improved efficiency

Supports a wide input voltage range from 2V to 5.5V

Operating temperature range of -40°C to 85°C

Product Advantages

Flexibility in regulating voltages in applications with varying input voltages

High efficiency and compact design due to high switching frequency and synchronous rectification

Minimal external components required due to integrated functions

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

Key Technical Parameters

Voltage Input (Min): 2V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.2V

Voltage Output (Max): 5.5V

Current Output: 1.6A (Switch)

Frequency Switching: 1.5MHz

Quality and Safety Features

Built-in thermal protection to prevent overheating

Short-circuit protection for device safety

Overcurrent protection

Compatibility

Compatible with a broad range of input sources and load requirements

Surface Mount design for use in compact PCB layouts

Application Areas

Portable and battery-powered devices

IoT devices

Power supply modules

Consumer electronics

Product Lifecycle

Status: Active

No current indication of nearing discontinuation, ensuring long-term availability for designs

Several Key Reasons to Choose This Product

Versatile input and adjustable output voltage range for a wide array of applications

High efficiency and compact design enhance battery life and reduce space requirement

Integrated protections ensure safety and reliability of end applications

High switching frequency supports the use of small, low-cost external components

STMicroelectronics’ reputation for quality and support enhances confidence in product performance