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參數(shù)資料
| 型號(hào)： | MP2105DJ |
| 廠商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1MHz, 800mA Synchronous Step-Down Converter |
| 中文描述： | 0.8 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | MO-193AA, TSOT23, 5 PIN |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 275K |
| 代理商： | MP2105DJ |
MP2105 – 1MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER
MP2105 Rev. 1.2
8/19/2005
www.MonolithicPower.com
4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
TYPCIAL PERFORMANCE CHARACTERISTICS
(continued)
V
IN
= 3.3V, V
OUT
= 1.8V, L1 = 4.7μH, C1 = 4.7μF, C3 = 10μF, T
A
= +25
°
C, unless otherwise noted.
MP2105-TPC09
Short Circuit Protection
(No Load)
MP2105-TPC07
Heavy Load Operation
I
OUT
= 800mA
MP2105-TPC10
Short Circuit Recovery
(No Load)
MP2105-TPC08
Startup from Shutdown
V
OUT
10mV/div.
I
L
0.2A/div.
I
L
=0
SW
2V/div.
V
OUT
1V/div.
I
L
0.5A/div.
V
OUT
1V/div.
I
L
0.5A/div.
V
EN
2V/div.
V
OUT
1V/div.
I
L
0.5A/div.
PIN FUNCTIONS
Pin # Name Description
EN
1
Regulator Enable Control Input. Drive EN above 1.5V to turn on the MP2105. Drive EN below
0.3V to turn it off (shutdown current < 0.1μA).
Ground
Power Switch Output. Inductor connection to drains of the internal PFET and NFET switches.
Supply Input. Bypass to GND with a 2.2μF or greater ceramic capacitor.
Feedback Input. Connect FB to the center point of the external resistor divider. The feedback
threshold voltage is 0.6V.
GND
SW
IN
2
3
4
FB
5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP2105DJ-LF-P | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 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 |
| MP2105DJLFZ | 制造商:Monolithic Power Systems 功能描述: 制造商:MPS 功能描述: |
| MP2105DJ-LF-Z | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 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 |
| MP2106 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.5A, 15V, 800KHz Synchronous Buck Converter |
| MP2106-0B0 | 制造商:Laird Technologies Inc 功能描述:- Trays |
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