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參數(shù)資料
| 型號： | EV2105DJ-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1MHz, 800mA Synchronous Step-Down Converter |
| 中文描述： | 1MHz的，800mA的同步降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 290K |
| 代理商： | EV2105DJ-00A |
MP2105 – 1MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER
MP2105 Rev. 1.3
5/11/2006
www.MonolithicPower.com
4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 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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| EV2106DK-00A | 制造商:Monolithic Power Systems 功能描述:EVAL KIT FOR 2.6V TO 15V IN, 1.5A OUT SYNCH BUCK CNVRTR EVAL - Bulk |
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| EV2106DQ-00A | 制造商:Monolithic Power Systems 功能描述:EVAL KIT FOR 2.6V TO 15V IN, 1.5A OUT SYNCH BUCK CNVRTR EVAL - Bulk |
| EV2108DK-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 6V, 740KHz Synchronous Buck Converter |
| EV2108DQ/DK-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 6V, 720KHz Synchronous Buck Converter |
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