Linear Technology LTC3425 DC/DC Converter Datasheet

The LTC3425 is a 4‑phase synchronous boost DC‑DC converter offering up to 95% efficiency and 3 A continuous output.


Linear Technology LTC3425 DC/DC Converter Datasheet - cover page
Brand
Linear Technology
Document type
Datasheet
Language
English
Pages
24
File format
PDF
File size
277 KB
Published
28 September, 2026
Updated
28 September, 2026
Model
LTC3425
MD5 checksum
109DB33507D3F573B30A7BE638AD912D

About this manual

The LTC3425 is a synchronous, 4‑phase boost converter designed for point‑of‑load regulation. It features programmable output voltage (2.4 V‑5.25 V), adjustable current limit, burst‑mode operation, and very low quiescent current.

The device is supplied in a thermally enhanced 32‑lead QFN package (5 mm × 5 mm) and includes internal MOSFET switches and synchronous rectifiers. Typical performance includes up to 95% efficiency, 3 A continuous output, and an input range of 0.5 V‑4.5 V.

What's inside

  • Features
  • Parameter Conditions
  • Electrical Characteristics
  • Typical Performance Characteristics
  • Pin Descriptions
  • Package Description
  • Application Examples
  • Absolute Maximum Ratings

Specifications

Maximum Continuous Output Current3 A
Efficiencyup to 95 %
Input Voltage Range0.5 V – 4.5 V
Adjustable Output Voltage2.4 V – 5.25 V
Package5 mm × 5 mm 32‑lead QFN

Frequently asked questions

What is the maximum continuous output current of the LTC3425?

The LTC3425 can deliver up to 3 A of continuous output current.

What efficiency can be achieved with the LTC3425?

The converter can reach up to 95 % efficiency under typical conditions.

What input voltage range does the LTC3425 support?

It operates from 0.5 V to 4.5 V input.

What output voltage range is adjustable on the LTC3425?

The output voltage can be set between 2.4 V and 5.25 V.

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