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MP2355DN-LF-Z PDF预览

MP2355DN-LF-Z

更新时间: 2024-11-28 13:11:43
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芯源 - MPS 转换器
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MP2355DN-LF-Z 数据手册

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EV2355DN-00A  
4.75V to 23V In, 3A Out  
Step-Down DC/DC Converter  
Monolithic Power Systems  
EVALUATION BOARD — INITIAL RELEASE  
GENERAL DESCRIPTION  
FEATURES  
The EV2355DN-00A is the Evaluation Board for  
MPS’ MP2355 Step-Down DC/DC Converter. It  
features a wide supply range of 4.75V to 23V  
and a continuous output current up to 3A. The  
output voltage is set to 3.3V, but can be easily  
adjusted to other levels from 1.22V. A 380KHz  
high switching frequency allows the use of  
small, low cost capacitors and inductors.  
Current mode control and an integrated power  
MOSFET minimize component count, board area,  
and solution cost. Fault condition protection  
includes cycle-by-cycle current limiting, thermal  
shutdown, and under-voltage lockout. Internal  
soft-start reduces the turn-on stress. The small  
8-pin SOIC package with exposed pad minimizes  
board area and provides excellent thermal  
management.  
Up to 3A Continuous Output Current  
Wide 4.75V to 23V Operating Input Range  
Monolithic Buck with 100mInternal FET  
Fixed 380KHz Frequency  
All Ceramic Input and Output Capacitors  
Programmable Soft-Start  
Programmable Input Under-Voltage Lockout  
APPLICATIONS  
Distributed Power Systems  
Battery Chargers  
Pre-Regulator for Linear Regulators  
“MPS” and “Monolithic Power Systems”, are Registered Trademarks of  
Monolithic Power Systems, Inc.  
ELECTRICAL SPECIFICATION  
Parameter  
Symbol  
Value  
4.75 to 23  
3.3  
Units  
Supply Voltage  
Output Voltage  
Output Current  
VIN  
V
V
A
VOUT  
IOUT  
0 to 3  
EV2355DN-00A EVALUATION BOARD  
Efficiency vs  
Load Current  
95  
V
=5.0V  
=3.3V  
OUT  
90  
85  
80  
75  
70  
65  
60  
V
=2.5V  
OUT  
V
OUT  
0
500 1000 1500 2000 2500 3000 3500  
Dimensions (2.6”X x 1.9”Y x 0.4”Z)  
LOAD CURRENT (mA)  
MP2355_EC01  
Board Number  
MPS IC Number  
EV2355DN-00A  
MP2355  
01/05, Rev. 1.0  
MPS Proprietary Information. © 2005 All Rights Reserved.  
Unauthorized Photocopy and Duplication Prohibited.  
1

MP2355DN-LF-Z 替代型号

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