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LP2956AIMNSN/a773avaiDual Micropower Low-Dropout Voltage Regulator
LP2956AIMXNSN/a2502avaiDual Micropower Low-Dropout Voltage Regulator
LP2956AINNSN/a26avaiDual Micropower Low-Dropout Voltage Regulator
LP2956AINNSCN/a120avaiDual Micropower Low-Dropout Voltage Regulator
LP2956IMNSN/a5596avaiDual Micropower Low-Dropout Voltage Regulator
LP2956IMSOICN/a42avaiDual Micropower Low-Dropout Voltage Regulator
LP2956IM. |LP2956IMNSN/a400avaiDual Micropower Low-Dropout Voltage Regulator
LP2956IMXNSN/a4351avaiDual Micropower Low-Dropout Voltage Regulator
LP2956INNSN/a1388avaiDual Micropower Low-Dropout Voltage Regulator


LP2956IM ,Dual Micropower Low-Dropout Voltage RegulatorBlock DiagramLP295601133901 2005 National Semiconductor Corporation DS011339 Connection Diagrams16– ..
LP2956IM ,Dual Micropower Low-Dropout Voltage RegulatorApplicationsof regulation.n High-efficiency linear regulatorAn open-collector auxiliary comparator ..
LP2956IM. ,Dual Micropower Low-Dropout Voltage RegulatorFeaturesn Output voltage adjusts from 1.23V to 29VThe LP2956 is a micropower voltage regulator with ..
LP2956IMX ,Dual Micropower Low-Dropout Voltage Regulatorfeatures.n Extremely tight line and load regulationThe auxiliary output is always on (regardless of ..
LP2956IN ,Dual Micropower Low-Dropout Voltage RegulatorBlock DiagramLP295601133901 2005 National Semiconductor Corporation DS011339 Connection Diagrams16– ..
LP2957AIS ,5V Low-Dropout Regulator for micro-P ApplicationElectrical Characteristics=Limits in standard typeface are for T 25˚C, and limits in boldface type ..
LSG F971 ,Multi ChipLEDApplications● hand phone back lighting● coupling in any light pipe● LCD back lighting● switch back ..
LSG T670 , Multi TOPLED
LSG T770 , Multi TOPLEDRG
LSGF971 ,Multi ChipLEDFeatures ● colors: super-red (628 nm) and green (572 nm)● color mixing is possible● each chi ..
LSGT670 , Multi TOPLED
LSGT670-J+L , Multi TOPLED


LP2956AIM-LP2956AIMX-LP2956AIN-LP2956IM-LP2956IM.-LP2956IMX-LP2956IN
Dual Micropower Low-Dropout Voltage Regulator
LP2956/LP2956A
Dual Micropower Low-Dropout Voltage Regulators
General Description

The LP2956isa micropower voltage regulator with very low
quiescent current (170µA typicalat light loads) and very low
dropout voltage (typically60 mVat1 mA load current and
470 mVat 250 mA load currenton the main output).
The LP2956 retainsall the desirable characteristicsof the
LP2951, but offers increased output current (main output), auxiliary LDO adjustable regulated output (75 mA), and
additional features.
The auxiliary outputis alwayson (regardlessof main output
status),soit canbe usedto power memory circuits.
Quiescent current increases only slightlyat dropout, which
prolongs battery life.
The error flag goes lowifthe main output voltage drops out regulation. open-collector auxiliary comparatoris included, whose
inverting inputis tiedto the 1.23V reference.
Reverse battery protectionis provided.
The parts are availablein DIP and surface mount packages.
Features
Output voltage adjusts from 1.23Vto 29V Guaranteed 250 mA current (main output) Auxiliary LDO (75 mA) adjustable output Auxiliary comparator with open-collector output Shutdownpinfor main output Extremely low quiescent current Low dropout voltage Extremely tight line and load regulation Very low temperature coefficient Current and thermal limiting Reverse battery protection
Applications
High-efficiency linear regulator Low dropout battery-powered regulatorµP system regulator with switchable high-current VCC
Block Diagram
LP2956

March 2005
LP2956/LP2956A
Dual
Micropower
Low-Dropout
oltage
Regulators
ic,good price


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