Texas Instruments LM25018 Wide Vin Synchronous Step-down Regulator Evaluation Module LM25018MR-EVM LM25018MR-EVM 数据表
产品代码
LM25018MR-EVM
User's Guide
SNVU227 – April 2013
LM25018 Evaluation Board
1
Introduction
The LM25018 evaluation board provides the design engineer with a fully functional buck regulator,
employing the constant on-time (COT) operating principle. This evaluation board provides a 10 V output
over an input range of 12.5 V to 48 V.
employing the constant on-time (COT) operating principle. This evaluation board provides a 10 V output
over an input range of 12.5 V to 48 V.
The board’s specifications are:
•
Input Range: 12.5 V to 48 V
•
Output Voltage: 10 V
•
Output Current: 300 mA
•
Nominal Switching Frequency ~ 440 kHz
•
Measured Efficiency: 91% at 200 mA and V
IN
= 15 V
•
Board size: 2.3 inch x 1.4 inch
Figure 1. Complete Evaluation Board Schematic for LM25018 Based Synchronous Buck Converter
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1
SNVU227 – April 2013
LM25018 Evaluation Board
Copyright © 2013, Texas Instruments Incorporated