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MP2107ADN 参数 Datasheet PDF下载

MP2107ADN图片预览
型号: MP2107ADN
PDF下载: 下载PDF文件 查看货源
内容描述: 4A , 6V同步降压型开关稳压器 [4A, 6V Synchronous Step-Down Switching Regulator]
分类和应用: 稳压器开关
文件页数/大小: 14 页 / 432 K
品牌: MPS [ MONOLITHIC POWER SYSTEMS ]
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MP2107/MP2107A
4A, 6V Synchronous
Step-Down Switching Regulator
The Future of Analog IC Technology
DESCRIPTION
The MP2107 is an internally compensated
1.5MHz fixed-frequency PWM synchronous
step-down regulator. MP2107 operates from a
2.7V to 6V input and generates an output
voltage as low as 0.8V.
The MP2107 integrates a 80mΩ high-side
switch and a 60mΩ synchronous rectifier for
high efficiency without an external Schottky
diode. With peak current mode control and
internal compensation, the MP2107 based
solution delivers a very compact footprint with a
minimum component count.
The MP2107 is available in a small 3mm x 3mm
10-pin QFN package and the MP2107A is
available in an 8-pin SOIC package with an
exposed pad.
FEATURES
4A Output Current
Input Operation Range: 2.7V to 6V
60mΩ Internal Power MOSFET Switches
All Ceramic Capacitor Design
Up to 95% Efficiency
1.5MHz Fixed Switching Frequency
Adjustable Output from 0.8V to 0.9xV
IN
Internal Soft-Start
Frequency Synchronization Input
Power Good Output
Cycle-by-Cycle Current Limiting
Hiccup Short Circuit Protection
Thermal Shutdown
3mm x 3mm 10-pin QFN (MP2107) and
8-pin SOIC (MP2107A) Packages
µP/ASIC/DSP/FPGA Core and I/O Supplies
Printers and LCD TVs
Network and Telecom Equipment
Point of Load Regulators
APPLICATIONS
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
Efficiency vs
Output Current
V
IN
5V
95
IN
BS
SW
POK
(MP2107)
OFF ON
POK
V
OUT
1.8V / 4A
EFFICIENCY (%)
C3
100nF
90
5V to 1.8V
85
80
75
70
0
5V to 3.3V
5V to 2.5V
EN/SYNC
GND
FB
1
2
3
OUTPUT CURRENT (A)
4
MP2107/MP2107A Rev. 1.1
www.MonolithicPower.com
10/13/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
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