Microchip Technology ADM00427 User Manual

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MCP16323 EVALUATION BOARD
USER’S GUIDE
 2011 Microchip Technology Inc.
DS52029A-page 9
Chapter 1.  Product Overview
1.1
INTRODUCTION
This chapter provides an overview of the MCP16323 Evaluation Board and covers the 
following topics:
• MCP16323 Short Overview
• What is the MCP16323 Evaluation Board
• MCP16323 Evaluation Board kit contents
1.2
MCP16323 SHORT OVERVIEW
The MCP16323 is a highly integrated, high-efficiency, fixed frequency, synchronous, 
step-down DC-DC converter in a popular 16-pin QFN package that operates from input 
voltage sources up to 18V. Integrated features include a low resistance high-side 
switch, low resistance low-side switch, 1.0 Mhz fixed-frequency peak-current mode 
control, internal compensation, power good output, peak current limit, V
OUT
 overvolt-
age and overtemperature protection. Minimal external components are necessary to 
develop a complete step-down DC-DC converter power supply. The MCP16323 draws 
less than 10 µA while disabled.
High converter efficiency is achieved by integrating the current limited, low resistance, 
high-speed N-Channel MOSFETs and associated drive circuitry. Incorporating both the 
upper and lower switches reduces the need for external components. High switching 
frequency minimizes the size of external filtering components resulting in an overall 
small solution size
.
The MCP16323 can supply 3A of continuous current while regulating the output voltage 
from 0.9V to 5V. An integrated high-performance peak-current mode architecture 
keeps the output voltage tightly regulated even during input voltage steps and output 
current transient conditions that are common in power systems.