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MP2358DS-LF-Z PDF预览

MP2358DS-LF-Z

更新时间: 2024-11-28 13:11:47
品牌 Logo 应用领域
芯源 - MPS 转换器
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9页 282K
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MP2358DS-LF-Z 数据手册

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TM  
MP2358  
2A, 23V, 370KHz  
Step-Down Converter  
TM  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2358 is a monolithic step-down switch  
mode converter with a built-in internal power  
MOSFET. It achieves 2A continuous output  
current over a wide input supply range with  
excellent load and line regulation.  
2A Output Current with QFN Package  
0.18Internal Power MOSFET Switch  
Stable with Low ESR Output Ceramic  
Capacitors  
93% Efficiency  
23µA Shutdown Mode  
Current mode operation provides fast transient  
response and eases loop stabilization.  
Fixed 370KHz Frequency  
Thermal Shutdown  
Fault condition protection includes cycle-by-cycle  
current limiting and thermal shutdown. In  
shutdown mode the regulator draws 23µA of  
Cycle-by-Cycle Over Current Protection  
Wide 4.75V to 23V Operating Input Range  
Output Adjustable from 0.92V to 16V  
Programmable Under Voltage Lockout  
Available in QFN10 (3mm x 3mm) and SO8  
Packages  
supply  
current.  
Programmable  
soft-start  
minimizes the inrush supply current and the  
output overshoot at initial startup.  
The MP2358 requires a minimum number of  
readily available standard external components.  
APPLICATIONS  
Distributed Power Systems  
Battery Charger  
Pre-Regulator for Linear Regulators  
EVALUATION BOARD REFERENCE  
Board Number  
EV2358DS-00A  
EV2358DQ-00A  
Dimensions  
2.3” x 1.4” x 0.5”  
2.0” x 1.3” x 0.4”  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
TYPICAL APPLICATION  
Efficiency vs  
Output Current  
INPUT  
4.75V - 23V  
95  
C5  
10nF  
90  
5.0V  
IN  
BS  
SW  
V
OPEN = AUTOMATIC  
85  
80  
75  
70  
65  
60  
OUT  
3.3V  
2.5V  
EN  
STARTUP  
3.3V/2A  
D1  
B220A  
MP2358  
SS  
FB  
GND  
COMP  
C3  
3.9nF  
C4  
10nF  
C6  
OPEN  
0
0.5  
1.0  
1.5  
2.0  
2.5  
MP2358_TAC_S01  
OUTPUT CURRENT (A)  
MP2358_EC01  
MP2358 Rev. 1.3  
3/23/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
1

MP2358DS-LF-Z 替代型号

型号 品牌 替代类型 描述 数据表
MP2358DS-LF MPS

完全替代

Switching Regulator, Current-mode, 2A, 370kHz Switching Freq-Max, PDSO8, LEAD FREE, SOIC-8

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