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CR54-100

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型号: CR54-100
PDF文件:
  • CR54-100 PDF文件
  • CR54-100 PDF在线浏览
功能描述: 1.7MHz, 600mA Synchronous Step-Down Converter
PDF文件大小: 448.74 Kbytes
PDF页数: 共10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CR54-100
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PDF页面索引
120%
MP2104
1.7MHz, 600mA Synchronous
Step-Down Converter
MP2104 Rev. 1.3 www.MonolithicPower.com 1
10/4/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
The Future of Analog IC Technology
TM
TM
DESCRIPTION
The MP2104 is a 1.7MHz constant frequency,
current mode, PWM step-down converter. The
device integrates a main switch and a
synchronous rectifier for high efficiency without an
external Schottky diode. It is ideal for powering
portable equipment that runs from a single cell
Lithium-Ion (Li+) battery. The MP2104 can supply
600mA of load current from a 2.5V to 6V input
voltage. The output voltage for the MP2104DJ
can be regulated as low as 0.6V, while the output
voltages of the MP2104DJ-1.5 and
MP2104DJ-1.8 are fixed at 1.5V and 1.8V,
respectively. The MP2104 can also run at 100%
duty cycle for low dropout applications.
The MP2104 is available in a low profile (1mm)
5-pin, TSOT package.
ORDERING INFORMATION
Part Number Output Voltage
MP2104DJ-1.5 V
OUT
= 1.5V
MP2104DJ-1.8 V
OUT
= 1.8V
MP2104DJ V
OUT
= 0.6V to 6V
EVALUATION BOARD REFERENCE
Board Number Dimensions
EV2104DJ-00A 2.0”X x 2.0”Y x 0.5”Z
FEATURES
High Efficiency: Up to 95%
1.7MHz Constant Switching Frequency
600mA Available Load Current
2.5V to 6V Input Voltage Range
Output Voltage as Low as 0.6V
100% Duty Cycle in Dropout
Current Mode Control
Short Circuit Protection
Thermal Fault Protection
<0.1µA Shutdown Current
1.5V and 1.8V Fixed Output Versions
Space Saving 5-Pin TSOT23 Package
APPLICATIONS
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
PDAs
MP3 Players
Digital Still and Video Cameras
Portable Instruments
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
MP2104DJ-1.8
SW
3
5
2
1
4
OUTEN
GND
IN
OUTPUT
1.8V
600mA
INPUT
2.5V - 6V
MP2104_TAC_S01
OFF ON
100
90
80
70
60
50
40
30
20
10
0
EFFICIENCY (%)
10 100 1000
LOAD CURRENT (mA)
MP2104-EC01
Efficiency vs
Load Current
V
IN
= 3.3V
V
IN
= 4.2V
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