FAN53200UC44X - Fairchild Semiconductor

Manufacturer Part Number

FAN53200UC44X

Manufacturer

Fairchild (onsemi)

Introduction

The FAN53200UC44X is a high-efficiency, programmable, synchronous, step-down (buck) regulator optimized for mobile and portable applications.

Product Features and Performance

Programmable output voltage from 0.6V to 1.39V

Integrated high-side and low-side MOSFETs

4 MHz switching frequency

Up to 5A output current

High efficiency up to 95%

Low quiescent current of 20 μA

Integrated soft-start

Cycle-by-cycle current limit

Thermal shutdown protection

Product Advantages

Compact WLCSP package

High power density

Wide input voltage range

Excellent transient response

Low noise operation

Key Technical Parameters

Input Voltage: 2.5V to 5.5V

Output Voltage: 0.6V to 1.39V

Output Current: 5A

Switching Frequency: 2.4 MHz

Efficiency: Up to 95%

Quiescent Current: 20 μA

Quality and Safety Features

Cycle-by-cycle current limit

Thermal shutdown protection

Compatibility

The FAN53200UC44X is compatible with a wide range of mobile and portable devices that require a high-efficiency, compact, and programmable power supply solution.

Application Areas

Smartphones

Tablets

Wearables

Other mobile and portable electronics

Product Lifecycle

The FAN53200UC44X is an actively supported product and is not nearing discontinuation. Replacement or upgrade options may be available from Fairchild (onsemi) as technology evolves.

Key Reasons to Choose this Product

High efficiency and power density for extended battery life

Wide input voltage range for flexibility

Programmable output voltage for configurable power supply

Compact WLCSP package for space-constrained designs

Robust protection features for reliable operation

Proven performance and compatibility with a wide range of mobile devices