參數(shù)資料
型號: MIC5191YMM
廠商: Micrel Inc
文件頁數(shù): 1/15頁
文件大小: 845K
描述: IC REG CTRLR SGL POS ADJ 10MSOP
標準包裝: 100
類型: 正,可調式
輸出數(shù): 1
輸出電壓: 可調
電流 - 電源: 15mA
輸入電壓: 1 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 10-MSOP
包裝: 管件
產品目錄頁面: 1096 (CN2011-ZH PDF)
其它名稱: 576-1245
 
MIC5191
Ultra High-Speed, High-Current
Active Filter / LDO Controller
 
 
 
PowerPAK is a trademark of Siliconix, Inc.
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc. 
Micrel Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel +1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
December 2006 
1
M9999-122206
 
General Description 
The MIC5191 is an ultra high-speed linear regulator. It
uses an external N-Channel FET as its power device.
The MIC5191's ultra high-speed abilities can handle the
fast load demands of microprocessor cores, ASICs, and
other high-speed devices. Signal bandwidths of greater
than 500 kHz can be achieved with a minimum amount of
capacitance while at the same time keeping the output
voltage clean, regardless of load demand. A powerful
output driver delivers large MOSFETs into their linear
regions, achieving ultra-low dropout voltage.
1.25V
IN
 ?0% can be turned into 1V ?% without the use
of a large amount of capacitance.
MIC5191 (1.0V reference) is optimized for output voltages
of 1.0V and higher.
The MIC5191 is offered in 10-pin 3mm?mm MLF
?/DIV>
 and
10-pin MSOP-10 packages and has an operating junction
temperature range of 40癈 to +125癈.
Data sheets and support documentation can be found on
Micrels web site at www.micrel.com.
Features 
" Input voltage range: V
IN
 = 1.0V to 5.5V
" +1.0% initial output tolerance
" Dropout down to 25mV@10A 
" Filters out switching frequency noise on input
" Very high large signal bandwidth >500kHz 
" PSRR >40dB at 500kHz
" Adjustable output voltage down to 1.0V
" Stable with any output capacitor
" Excellent line and load regulation specifications
" Logic controlled shutdown
" Current limit protection
" 10-pin MLF
?/DIV>
 and MSOP-10 packages
" Available 40癈 to +125癈 junction temperature
 
Applications
" Distributed power supplies
" ASIC power supplies
" DSP, 礟, and 礐 power supplies
 
___________________________________________________________________________________________________________
 
Typical Application
VIN
SGND
PGND
IS
IR3716S
OUT
VCC1
C3
0.01礔
C2
10礔
FB
GND
V
OUT
1.0V@7A
GND
VCC2
EN
COMP
MIC5191
R3
C1
0.01礔
IN
1.2V
V
CC
=12V
 
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