Linear Technology DC556 Quick Start Guide

4A monolithic synchronous step-down regulator

Brand: Linear Technology
Category: Step-Down Regulator
Document type: Quick Start Guide
Language: English
Pages: 5
File format: PDF
File size: 251 KB
Published: 17 October, 2023
Updated: 17 October, 2023
MD5 checksum: F814631899170A9C2DB4C66E5C83243A
PDF: Linear Technology DC556 Quick Start Guide PDF

About this manual

This guide provides step-by-step instructions to set up and test the DC556 demonstration circuit, which uses the LTC3414EFE regulator. It covers jumper configurations, power application, output voltage verification, and testing burst mode and different output voltages. The circuit is designed for evaluating performance in battery-powered applications with up to 4A output current.

What's inside

Quick Start Procedure
Jumper Settings
Power Application
Output Voltage Testing
Burst Mode Testing
Board Layout
Bill of Materials

Specifications

Input Voltage Range	2.5V to 5.5V
Output Voltage Range	0.8V to 5V
Operating Frequency Range	300kHz to 4MHz
Maximum Output Current	4A
Regulator IC	LTC3414EFE

Frequently asked questions

What is the input voltage range for the DC556?

The input voltage range is 2.5V to 5.5V.

What is the maximum output current?

The DC556 can deliver up to 4A of output current.

How do I set up the circuit for 1.8V output?

Place jumper JP2 in the FORCED CONTINUOUS position, JP1 in the ON position, and connect JP3 for 1.8V output.

How do I test Burst Mode operation?

Set JP2 in the BURST MODE position and JP1 in the ON position, then repeat steps 2 to 7.

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