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EV0060

EV0060首页预览图
型号: EV0060
PDF文件:
  • EV0060 PDF文件
  • EV0060 PDF在线浏览
功能描述: 1.2A, 6V, 800KHz Synchronous Rectified Step-Down Converter
PDF文件大小: 207.85 Kbytes
PDF页数: 共15页
制造商: MPS[Monolithic Power Systems]
制造商LOGO: MPS[Monolithic Power Systems] LOGO
制造商网址: http://www.monolithicpower.com
捡单宝EV0060
PDF页面索引
120%
EV0060 (MP1567)
1.2A, 6V, 800KHz Synchronous Rectified
Step-Down Converter
EVALUATION BOARD
EV0060 Rev. 1.2 www.MonolithicPower.com 1
4/22/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
The Future of Analog IC Technology
GENERAL DESCRIPTION
The EV0060 is an evaluation board for the
MP1567, a 1.2A, 800KHz DC to DC converter
designed for low voltage applications requiring
high efficiency. Capable of providing output
voltages as low as 0.9V from a 3.3V supply
voltage, the MP1567 eliminates the need for a
5V rail, providing over 90% efficiency via
synchronous rectification and eliminating heat
issues in confined spaces. Soft-start operation
protects internal circuitry from hard turn on
issues. Switching at 800KHz reduces the size
of external components and thereby reduces
board space.
The MP1567 includes cycle-by-cycle current
limiting and under voltage lockout. Internal
power switches combined with the tiny 10-pin
QFN package provide a solution requiring a
minimum of space.
ELECTRICAL SPECIFICATIONS
Parameter Symbol Value Units
Input Voltage V
IN
2.6 to 6 V
Output Voltage V
OUT
1.8 V
Output Current I
OUT
1.2 A
FEATURES
1.2A Output Current
Synchronous Rectified
Internal 180m and 220m Power Switches
V
IN
Range of 2.6V to 6V
Over 90% Efficiency
Zero Current Shutdown Mode
Under Voltage Lockout Protection
Soft-Start Operation
Thermal Shutdown
Internal Current Limit (Source & Sink)
Tiny 10-Pin QFN Package
APPLICATIONS
SOHO Routers, PCMCIA Cards, Mini PCI
Handheld Computers, PDAs
Cell Phones
Digital Video Cameras
Small LCD Displays
“MPS” and “The Future of Analog IC Technology”, are Registered Trademarks
of Monolithic Power Systems, Inc.
EV0060 EVALUATION BOARD
Dimensions (2.5”X x 2.0”Y x 0.4”Z)
Board Number MPS IC Number
EV0060 MP1567DQ
100
90
80
70
60
50
40
30
20
10
0
EFFICIENCY (%)
10 100 1000
LOAD CURRENT (mA)
MP1567_EC01
Efficiency vs
Load Current
V
IN
=5V
V
IN
=4V
V
IN
=3.3V
V
OUT
=1.8V
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