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MP2358DS-Z

更新时间： 2024-11-04 13:11:43
品牌 Logo 应用领域
芯源 - MPS 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
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9页 282K
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MP2358DS-Z 数据手册

 浏览型号MP2358DS-Z的Datasheet PDF文件第2页浏览型号MP2358DS-Z的Datasheet PDF文件第3页浏览型号MP2358DS-Z的Datasheet PDF文件第4页浏览型号MP2358DS-Z的Datasheet PDF文件第5页浏览型号MP2358DS-Z的Datasheet PDF文件第6页浏览型号MP2358DS-Z的Datasheet PDF文件第7页 
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  
0.18Ω Internal 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.  
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