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MP2364 PDF预览

MP2364

更新时间: 2024-11-04 03:48:43
品牌 Logo 应用领域
芯源 - MPS 转换器
页数 文件大小 规格书
12页 278K
描述
Dual 1.5A, 23V, 1.4MHz Step-Down Converter

MP2364 数据手册

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TM  
MP2364  
Dual 1.5A, 23V, 1.4MHz  
Step-Down Converter  
TM  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2364 is a dual monolithic step-down  
switch mode converter with built-in internal  
power MOSFETs. It achieves 1.5A continuous  
output current for each output over a wide input  
supply range with excellent load and line  
regulation.  
1.5A Current for Each Output  
0.18Internal Power MOSFET Switches  
Stable with Low ESR Output Ceramic  
Capacitors  
Up to 90% Efficiency  
40µA Shutdown Mode  
Fixed 1.4MHz Frequency  
Thermal Shutdown  
Current mode operation provides fast transient  
response and eases loop stabilization.  
Cycle-by-Cycle Over Current Protection  
Wide 4.75V to 23V Operating Input Range  
Each Output Adjustable from 0.92V to 16V  
Configurable for Single Output with Double  
the Current  
Programmable Under Voltage Lockout  
Programmable Soft-Start  
Available in TSSOP20 with Exposed Pad  
and SOIC Packages  
Fault condition protection includes cycle-by-cycle  
current limiting and thermal shutdown. In  
shutdown mode, the regulator draws 40µA of  
supply current.  
The MP2364 requires a minimum number of  
readily available standard external components.  
EVALUATION BOARD REFERENCE  
Board Number  
Dimensions  
APPLICATIONS  
EV2364DF-01A  
2.2”X x 1.6”Y x 0.4”Z  
Distributed Power Systems  
I/O and Core supplies  
DSL Modems  
Set top boxes  
Cable Modems  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
TYPICAL APPLICATION  
12V  
Efficiency vs  
Load Current  
3.3V @ 1.5A  
100  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
1
SSA  
ENA  
COMPA  
FBA  
OFF ON  
2
V
=5V  
OUT  
V
=3.3V  
OUT  
NC1  
3
82pF  
90  
80  
70  
60  
50  
2.2nF  
BSA  
4
INA  
SGB  
10nF  
2A  
Schottky  
5
6
SWA  
PGA  
SGA  
FBB  
PGB  
MP2364  
2A  
Schottky  
V
=2.5V  
2.5V @ 1.5A  
SWB  
INB  
OUT  
7
10nF  
8
NC2  
9
COMPB  
ENB  
BSB  
10  
SSB  
OFF ON  
3.3nF  
0
0.5  
1.0  
1.5  
LOAD CURRENT (A)  
MP2364_TAC_S01  
MP2364_EC01  
MP2364 Rev. 1.4  
3/22/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
1

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