FAN49101AUC340X - onsemi

Manufacturer Part Number

FAN49101AUC340X

Manufacturer

onsemi

Introduction

The FAN49101AUC340X is a compact, high-efficiency buck-boost switching regulator.

Product Features and Performance

High integration with internal synchronous rectifier

Low RDS(on) for switch transistors enhancing efficiency

2A continuous output current capability

Fixed 3.4V output voltage

Wide input voltage range from 2.5V to 5.5V

Switching frequency of 1.8MHz allows the use of small inductors

Buck-Boost topology permits operation with input voltage above, below, or equal to the output voltage

Over-temperature and over-current protection

Product Advantages

High efficiency for extended battery life in portable devices

Space-saving 20-WLCSP package

Low external component count

Fast switching frequency reduces noise and improves transient response

Key Technical Parameters

Input Voltage Min: 2.5V

Input Voltage Max: 5.5V

Output Voltage Fixed: 3.4V

Current - Output: 2A

Frequency - Switching: 1.8MHz

Quality and Safety Features

Over-current protection

Thermal shutdown protection

Built-in soft-start functionality to minimize in-rush current

Compatibility

Compatible with various lithium-ion/polymer, alkaline, and NiMH battery chemistries

Application Areas

Portable electronic devices

Battery-powered equipment

IoT and wearable technology

Product Lifecycle

Active product status with no current indication of discontinuation

Replacements or upgrades might be available as newer technologies emerge

Several Key Reasons to Choose This Product

Suitable for design into space-constrained applications

Maintains high efficiency for a longer battery lifetime

Supports a wide range of input voltages suitable for multi-chemistry batteries

Reduces additional external component needs due to high integration

Enabled for use in a variety of ambient temperatures ranging from -40°C to 85°C