FAN53555BUC09X - Fairchild Semiconductor

Manufacturer Part Number

FAN53555BUC09X

Manufacturer

onsemi

Introduction

The FAN53555BUC09X is a high-efficiency, programmable DC-DC step-down (buck) converter from onsemi's TinyBuck® product line. It is designed for portable and space-constrained applications, providing a compact solution for on-board power conversion.

Product Features and Performance

Operates from a 2.5V to 5.5V input voltage range

Programmable output voltage from 0.603V to 1.41V

Delivers up to 3A of output current

Switching frequency of 2.4MHz

Includes synchronous rectification for high efficiency

-40°C to +85°C operating temperature range

Small 20-UFBGA, WLCSP package (1.96 x 1.56mm)

Product Advantages

Compact size for space-constrained designs

High efficiency and power density

Programmable output voltage for flexible system integration

Robust thermal performance across the operating temperature range

Key Reasons to Choose This Product

Optimized for portable and mobile applications that require a small, high-performance power converter

Seamless integration into space-limited system designs

Reliable operation in demanding environmental conditions

Quality and Safety Features

Robust overcurrent, overvoltage, and thermal protection

Rigorous quality and reliability testing during manufacturing

Compatibility

The FAN53555BUC09X is compatible with a wide range of portable electronics and mobile devices that require a compact, high-efficiency DC-DC converter.

Application Areas

Smartphones, tablets, and other mobile devices

Wearable electronics

IoT and sensor applications

Portable medical devices

Industrial and automation equipment

Product Lifecycle

The FAN53555BUC09X is an obsolete product, meaning it is no longer in active production. There may be equivalent or alternative models available from onsemi or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.