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參數(shù)資料
| 型號： | MP2109_06 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | Dual 1.2MHz, 800mA Synchronous Step-Down Converter |
| 中文描述： | 雙1.2MHz的，800mA的同步降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 319K |
| 代理商： | MP2109_06 |
The Future of Analog IC Technology
MP2109
Dual 1.2MHz, 800mA Synchronous
Step-Down Converter
MP2109 Rev.1.4
10/16/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
DESCRIPTION
The MP2109 contains two independent 1.2MHz
constant frequency, current mode, PWM
step-down
converters.
integrates a main switch and a synchronous
rectifier for high efficiency without an external
Schottky diode. The MP2109 is ideal for
powering portable equipment that runs from a
single cell Lithium-Ion (Li+) battery. Each
converter can supply 800mA of load current
from a 2.5V to 6V input voltage. The output
voltage can be regulated as low as 0.6V. The
MP2109 can also run at 100% duty cycle for
low dropout applications.
Each
converter
EVALUATION BOARD REFERENCE
Board Number
EV2109DQ-00A
Dimensions
1.5”X x 1.0”Y x 0.5”Z
FEATURES
Up to 95% Efficiency
1.2MHz Constant Switching Frequency
800mA Load Current on Each Channel
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
Internally Compensated
Space Saving 10-Pin QFN 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 Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP2109
IN2
IN1
3
8
4
9
GND2
GND1
FB2
SW2
EN2
7
5
6
2
10
1
FB1
SW1
EN1
V
IN1/IN2
2.5V to 6V
OFF ON
OFF ON
V
OUT2
1.2V
800mA
V
OUT1
1.8V
800mA
MP2109_S01
100
95
90
85
80
75
70
65
60
55
50
E
%
)
0
500
1000
LOAD CURRENT (mA)
MP2109_EC01
V
OUT
=3.3V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MP2109 | Dual 1.2MHz, 800mA Synchronous Step-Down Converter |
| MP2109DQ | Dual 1.2MHz, 800mA Synchronous Step-Down Converter |
| MP2112 | 1MHz, 1A Synchronous Step-Down Converter |
| MP2112DQ | 1MHz, 1A Synchronous Step-Down Converter |
| MP2303 | 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP2109DQ | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:Dual 1.2MHz, 800mA Synchronous Step-Down Converter |
| MP2109DQ-LF-P | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Dual Output 0.8A/6V Synch Step-Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP2109DQ-LF-Z | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Dual Output 0.8A/6V Synch Step-Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP2-10G | 制造商:ABB Control 功能描述:Switch, part;Pushbutton act; Main; Flush; Green |
| MP2-10R | 制造商:ABB Control 功能描述:Switch, part;Pushbutton act; Main; Flush; Red |
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