參數(shù)資料
型號(hào)： MP2303_06
廠商： Monolithic Power Systems, Inc.
英文描述： 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter
中文描述： 第3A，28V的，340KHz的同步整流降壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 395K
代理商： MP2303_06
MP2303 – 3A, 28V, 340KHz SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE
MP2303 Rev. 0.92
5/2/2006
www.MonolithicPower.com
4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PIN FUNCTIONS
SOIC8N
Pin #
3x3
QFN10
Pin #
Name Description
1
9
BS
High-Side Gate Drive Boost Input. BS supplies the drive for the high-side N-
Channel MOSFET switch. Connect a 0.01μF or greater capacitor from SW to BS
to power the high side switch.
Power Input. IN supplies the power to the IC, as well as the step-down converter
switches. Drive IN with a 4.75V to 28V power source. Bypass IN to GND with a
suitably large capacitor to eliminate noise on the input to the IC. See
Input
Capacitor.
Power Switching Output. SW is the switching node that supplies power to the
output. Connect the output LC filter from SW to the output load. Note that a
capacitor is required from SW to BS to power the high-side switch.
Ground. SOIC8: Connect the exposed pad to pin 4. 3x3 QFN10: Connect to pins
3, 4 and 5 and ensure that said pins are tied together.
Feedback Input. FB senses the output voltage to regulate that voltage. Drive FB
with a resistive voltage divider from the output voltage. The feedback reference
voltage is 0.8V. See
Setting the Output Voltage.
Compensation Node. COMP is used to compensate the regulation control loop.
Connect a series RC network from COMP to GND to compensate the regulation
control loop. In some cases, an additional capacitor from COMP to GND is
required. See
Compensation Components.
Enable Input. EN is a digital input that turns the regulator on or off. Drive EN higher
than 2.7V to turn on the regulator, drive it lower than 1.1V to turn it off. Pull up to
the IN pin with 100k
resistor for automatic startup.
Soft-start Control Input. SS controls the soft-start period. Connect a capacitor from
SS to GND to set the soft-start period. See
Soft-Start Capacitor.
2
1
IN
3
2
SW
4
3, 4, 5
GND
5
6
FB
6
7
COMP
7
8
EN
8
10
SS
相關(guān)PDF資料
PDF描述
MP2303DN 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MP2303ADN-LF 功能描述:開(kāi)關(guān)變換器、穩(wěn)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(kāi)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
MP2303ADN-LF-Z 功能描述:開(kāi)關(guān)變換器、穩(wěn)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(kāi)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
MP2303DN 制造商:MPS 制造商全稱(chēng):Monolithic Power Systems 功能描述:3A, 28V, 340KHz Synchronous Rectified Step-Down Converter
MP2303DN-LF 功能描述:開(kāi)關(guān)變換器、穩(wěn)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(kāi)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
MP2303DN-LF-Z 功能描述:開(kāi)關(guān)變換器、穩(wěn)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(kāi)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
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