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LX8117B-33CDTT

更新时间： 2024-09-16 23:48:55
品牌 Logo 应用领域
美高森美 - MICROSEMI 稳压器调节器输出元件
页数 文件大小 规格书
9页 223K
描述
Positive Fixed Voltage Regulator

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LX8117B-33CDTT 数据手册

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LIN DOC #: 8117  
LX8117-xx/8117A-xx/8117B-xx  
0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS  
P R O D U C T I O N D A T A S H E E T  
T H E I N F I N I T E P O W E R O F I N N O V A T I O N  
DESCRIPTION  
KEY FEATURES  
■ 0.2% Line Regulation Maximum  
The LX8117/8117A/8117B series are  
positive Low Dropout (LDO) regulators.  
At the designed maximum load current,  
theLX8117seriesdropoutvoltageisguar-  
anteed to be 1.2V or lower at 0.8A  
(LX8117A 1.3V @ 1A). The dropout  
voltage decreases with load current.  
An adjustable output voltage version  
of the LX8117/17A/17B is available, as  
well as versions with fixed outputs of  
2.5V, 2.85V, 3.3V and 5V. The 2.85V  
version is specifically designed for use  
as a component of active termination  
networks for the SCSI bus. On-chip  
trimmingoftheinternalvoltagereference  
allows specification of the initial output  
voltage to within ±1% of its nominal  
value. The output current-limit point is  
also trimmed, which helps to minimize  
stress on both the regulator and the  
system power source when they are  
operated under short-circuit conditions.  
The regulator's internal circuitry will  
operate at input-to-output differential  
voltages down to 1V.  
■ 0.4% Load Regulation Maximum  
■ Output Current Of 800mA  
Most regulator circuit designs include  
outputcapacitorswithvaluesintherange  
of tens to hundreds of microfarads or  
more. The LX8117/17A/17B typically  
requires at least 10µF of output capaci-  
tance for stable operation.  
PNP-type regulators can waste current  
equal to as much as 10 percent of their  
output as a quiescent current which flows  
directly to ground, bypassing the load.  
Quiescent current from the LX8117/17A/  
17B flows through the load, increasing  
power-useefficiencyandallowingcooler  
operation.  
The LX8117 is available in low-profile  
plastic SOT-223 and D-Pak packages for  
applicationswherespaceisatapremium.  
The LX8117 is also available in a plastic  
TO-263 package for instances when the  
thermal resistance from the circuit die to  
the environment must be minimized.  
■ Regulates Down To 1.2V Dropout  
(LX8117) And 1.3V Dropout (LX8117A)  
■ Operates Down To 1V Dropout  
■ Space Saving SOT-223 Surface  
Mount Package  
■ Guaranteed Dropout Voltage At Multiple  
Current Levels  
■ Three-Terminal Adjustable Or Fixed 2.5V,  
2.85V, 3.3V & 5V  
APPLICATIONS  
■ Battery Chargers  
■ Active SCSI Terminators  
■ 5V To 3.3V Linear Regulators  
■ High-Efficiency Linear Regulators  
■ Post Regulators For Switching Supplies  
AVAILABLE OPTIONS PER PART #  
NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.  
Output  
Part #  
Voltage  
PRODUCT HIGHLIGHT  
LX8117/8117A/8117B-00 Adjustable  
LX8117/8117A/8117B-25  
LX8117/8117A/8117B-28  
LX8117/8117A/8117B-33  
LX8117/8117A/8117B-05  
2.5V  
2.85V  
3.3V  
5V  
ACTIVE TERMINATOR FOR SCSI-2 BUS  
110  
110  
110  
Ω
Ω
Ω
LX8117-28  
IN OUT  
18 to 27  
Lines  
GND  
4.75V to  
5.25V  
22µF  
10µF  
110Ω  
PACKAGE ORDER INFORMATION  
O/P  
Current  
Plastic SOT-223  
3-pin  
Plastic T0-263  
DD  
3-pin  
Plastic T0-252  
DT  
TA (°C)  
ST  
(D-Pak) 3-pin  
0.8A  
1.0A  
1.2A  
LX8117-xxCST  
LX8117A-xxCST  
LX8117B-xxCST  
LX8117-xxCDD  
LX8117-xxCDT  
LX8117A-xxCDT  
LX8117B-xxCDT  
0 to 125  
LX8117A-xxCDD  
LX8117B-xxCDD  
Note: All surface-mount packages are available in Tape & Reel. Append the letter "T" to part number  
(i.e. LX8117-28CSTT). "xx" refers to output voltage, please see table above.  
L I N F I N I T Y M I C R O E L E C T R O N I C S I N C .  
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570  
Copyright © 1999  
Rev. 1.4 3/99  
1
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与LX8117B-33CDTT相关器件

型号 品牌 获取价格 描述 数据表
LX8117B-33CDT-TR MICROSEMI

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LX8117B-33CST MICROSEMI

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 		0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS
LX8117B-33CSTT MICROSEMI

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 		Positive Fixed Voltage Regulator
LX8117B-33CST-TR MICROSEMI

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 		Fixed Positive LDO Regulator, 3.3V, 1.3V Dropout, BIPolar, PDSO4, PLASTIC, SOT-223, 3 PIN
LX8117B-XXCDD MICROSEMI

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 		0.8 , 1 & 1 .2A LOW DROPOUT POSI T I V E REGULATORS
LX8117B-XXCDT MICROSEMI

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 		0.8 , 1 & 1 .2A LOW DROPOUT POSI T I V E REGULATORS
LX8117B-XXCST MICROSEMI

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 		0.8 , 1 & 1 .2A LOW DROPOUT POSI T I V E REGULATORS
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 		0.8, 1 & 1.2A LOW DROPOUT POSITIVE REGULATORS
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 		0.8 , 1 & 1 .2A LOW DROPOUT POSI T I V E REGULATORS
LX8117-XXCDD MICROSEMI

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 		0.8 , 1 & 1 .2A LOW DROPOUT POSI T I V E REGULATORS

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