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參數資料
| 型號： | MP2303DN |
| 廠商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
| 中文描述： | 6.3 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 395K |
| 代理商： | MP2303DN |
MP2303
3A, 28V, 340KHz Synchronous Rectified
Step-Down Converter
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE
FEATURES
3A Output Current
Wide 4.75V to 28V Operating Input Range
Integrated Power MOSFET Switches
Output Adjustable from 0.8V to 25V
Up to 95% Efficiency
Programmable Soft-Start
Stable with Low ESR Ceramic Output Capacitors
Fixed 340KHz Frequency
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Thermally Enhanced 8-Pin SOIC and
3x3 QFN10 Packages
APPLICATIONS
Distributed Power Systems
Pre-Regulator for Linear Regulators
Notebook Computers
MP2303 Rev. 0.92
5/2/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
The Future of Analog IC Technology
TM
TM
DESCRIPTION
The MP2303 is a monolithic synchronous buck
regulator.
The
device
MOSFETS that provide 3A continuous load
current over a wide operating input voltage of
4.75V to 28V. Current mode control provides
fast transient response and cycle-by-cycle
current limit.
integrates
power
An adjustable soft-start prevents inrush current
at turn-on. In shutdown mode, the supply
current drops to 1μA.
This device, available in 8-pin SOIC and 3x3
10-pin QFN packages, provides a very compact
system solution with minimal reliance on
external components.
EVALUATION BOARD REFERENCE
Board Number
EV2303DN-00A
Dimensions
2.0”X x 1.5”Y x 0.5”Z
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
VIN
4.75V-28V
VOUT
5V/3A
C5
10nF
C3
3.3nF
MP2303
SW
BS
SS
EN
COMP
FB
IN
GND
MP2303_TAC01
100
90
80
70
60
50
E
0
0.5
1.0
1.5
2.0
2.5
3.0
LOAD CURRENT (A)
MP2303-EC01
Efficiency vs
Load Current
V
IN
= 12V
V
IN
= 24V
V
OUT
= 5V
相關PDF資料 |
PDF描述 |
|---|---|
| MP2303DQ | 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
| MP2305DS | 4.75V to 23V IN, 2A OUT Synchronous Buck Converter |
| MP2305 | 2A, 23V Synchronous Rectified Step-Down Converter |
| MP2307 | 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter |
| MP2307DN | 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MP2303DN-LF | 功能描述:開關變換器、穩壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP2303DN-LF-Z | 功能描述:開關變換器、穩壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP2303DQ | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
| MP2303DQ-LF-P | 功能描述:開關變換器、穩壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP2303DQ-LF-Z | 功能描述:開關變換器、穩壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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