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MP9942A PDF预览

MP9942A

更新时间: 2024-11-17 01:15:55
品牌 Logo 应用领域
芯源 - MPS /
页数 文件大小 规格书
21页 787K
描述
High Efficiency 2A, 36V, 410kHz Synchronous Step-Down Converter with Power Good

MP9942A 数据手册

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MP9942A  
High Efficiency 2A, 36V, 410kHz  
Synchronous Step-Down Converter  
with Power Good  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The  
MP9942A  
is  
a
high-frequency,  
Wide 4V to 30V Continuous Operating Input  
Range  
36V Input Transient Tolerance  
90m/55mLow RDS(ON) Internal Power  
MOSFETs  
High-Efficiency Synchronous Mode  
Operation  
410kHz Switching Frequency  
Synchronizes from 200kHz to 2.2MHz  
External Clock  
High Duty Cycle for Automotive Cold-crank  
Force CCM Mode  
Internal Soft-Start  
Power Good Indicator  
Over-Current Protection with Hiccup  
Thermal Shutdown  
synchronous, rectified, step-down, switch-mode  
converter with built-in power MOSFETs. It  
offers a very compact solution to achieve a 2A  
continuous output current with excellent load  
and line regulation over a wide input supply  
range. The MP9942A has synchronous mode  
operation for higher efficiency over the output  
current load range.  
Current-mode operation provides fast transient  
response and eases loop stabilization.  
Full protection features include over-current  
protection and thermal shutdown.  
The MP9942A requires a minimal number of  
readily-available standard external components,  
and is available in a space-saving 8-pin  
TSOT23 package.  
Output Adjustable from 0.8V  
Available in an 8-pin TSOT-23 package  
APPLICATIONS  
Automotive  
Industrial Control System  
Distributed Power Systems  
All MPS parts are lead-free, halogen free, and adhere to the RoHS directive. For  
MPS green status, please visit MPS website under Quality Assurance.  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
BST  
VIN  
IN  
R4  
20  
C1  
22  
MP9942A  
F
C4  
100nF  
L1  
3.3V/2A  
SW  
FB  
VOUT  
EN/SYNC  
EN/SYNC  
10  
H
C2  
47  
F
PG  
R9  
51k  
R1  
41.2k  
VCC  
GND  
C6  
0.1  
R2  
13k  
F
MP9942A Rev. 1.0  
10/14/2016  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2016 MPS. All Rights Reserved.  
1

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