Fairchild FAN5354 Synchronous Buck Regulator Datasheet

The FAN5354 is a 3MHz fixed-frequency synchronous buck regulator that delivers an adjustable output from an input voltage supply of 2.7V to 5.5V.

Brand: Fairchild
Category: Power Management
Document type: Datasheet
Language: English
Pages: 14
File format: PDF
File size: 1 MB
Published: 12 July, 2012
Updated: 01 October, 2023
Model: FAN5354
MD5 checksum: B036DEC749196D599AFE73614BC55B83
PDF: Fairchild FAN5354 Synchronous Buck Regulator Datasheet PDF

About this manual

The FAN5354 is a step-down switching voltage regulator capable of delivering an adjustable output from an input supply of 2.7V to 5.5V. It utilizes proprietary architecture with synchronous rectification to achieve over 85% efficiency at high loads and maintains over 80% efficiency at currents as low as 2mA.

What's inside

Features
Applications
Description
Ordering Information
Pin Configuration
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics

Specifications

Output Current	3A
Operating Frequency	3MHz
Input Voltage Range	2.7V to 5.5V
Output Voltage Range	0.8V to V_IN * 90%
Quiescent Current (PFM)	270uA
Package Type	12-Lead MLP

Frequently asked questions

What is the typical quiescent current in PFM mode?

The regulator has a typical quiescent current of 270uA in PFM mode.

Can the switching frequency be synchronized externally?

Yes, external frequency synchronization is available on the MODE pin.

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