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Home ›  LL58 > LP2950ACZ-3.3-LP2950ACZ-5.0-LP2950CDT-3.0-LP2950CDT-3.3-LP2950CDT-5.0-LP2950CDTX-5.0-LP2950CZ-3.0-LP2950CZ-3.3-LP2951ACMMX-3.0-LP2951ACMMX-3.3-LP2951ACMX-3.0-LP2951ACSD-LP2951ACSD-3.3-LP2951ACSDX-LP2951CMM-LP2951CMM.-LP2951CMMX-3.3-LP2951CMX-3.0-LP2951CSD,Series of Adjustable Micropower Voltage Regulators
LP2950ACZ-3.3-LP2950ACZ-5.0-LP2950CDT-3.0-LP2950CDT-3.3-LP2950CDT-5.0 Fast Delivery,Good Price
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LP2950ACZ-5.0 |LP2950ACZ50MOTN/a28avaiSeries of Adjustable Micropower Voltage Regulators
LP2950ACZ-3.3 |LP2950ACZ33NSN/a6891avaiSeries of Adjustable Micropower Voltage Regulators
LP2950CDT-3.0 |LP2950CDT30NSN/a1794avai100mA, 3V, Low Power Low Dropout Voltage Regulator
LP2950CDT-3.0 |LP2950CDT30FAIRCHILDN/a277avai100mA, 3V, Low Power Low Dropout Voltage Regulator
LP2950CDT-3.3 |LP2950CDT33NSN/a2500avaiSeries of Adjustable Micropower Voltage Regulators
LP2950CDT-5.0 |LP2950CDT50NSCN/a5avaiSeries of Adjustable Micropower Voltage Regulators
LP2950CDTX-5.0 |LP2950CDTX50NSN/a111avaiSeries of Adjustable Micropower Voltage Regulators
LP2950CZ-3.0 |LP2950CZ30MOTN/a55avaiSeries of Adjustable Micropower Voltage Regulators
LP2950CZ-3.0 |LP2950CZ30NSN/a1000avaiSeries of Adjustable Micropower Voltage Regulators
LP2950CZ-3.3 |LP2950CZ33NSN/a1043avai100mA, 3V, Low Power Low Dropout Voltage Regulator
LP2951ACMMX-3.0 |LP2951ACMMX30NSN/a642avaiSeries of Adjustable Micropower Voltage Regulators
LP2951ACMMX-3.3 |LP2951ACMMX33NSCN/a619avaiSeries of Adjustable Micropower Voltage Regulators
LP2951ACMX-3.0 |LP2951ACMX30NSN/a4770avaiSeries of Adjustable Micropower Voltage Regulators
LP2951ACSDNSN/a220avaiSeries of Adjustable Micropower Voltage Regulators
LP2951CSDNSCN/a45avaiSeries of Adjustable Micropower Voltage Regulators
LP2951ACSD-3.3 |LP2951ACSD33NSN/a4000avaiSeries of Adjustable Micropower Voltage Regulators
LP2951ACSDXNSCN/a1900avaiSeries of Adjustable Micropower Voltage Regulators
LP2951CMMNATIONALN/a800avaiSeries of Adjustable Micropower Voltage Regulators
LP2951CMM. |LP2951CMMNSN/a1216avaiSeries of Adjustable Micropower Voltage Regulators
LP2951CMMX-3.3 |LP2951CMMX33NSN/a28341avaiSeries of Adjustable Micropower Voltage Regulators
LP2951CMX-3.0 |LP2951CMX30NSN/a360avaiSeries of Adjustable Micropower Voltage Regulators


LP2951CMMX-3.3 ,Series of Adjustable Micropower Voltage RegulatorsGeneral Descriptionficient, making the part useful as a low-power voltage refer-The LP2950 and LP29 ..
LP2951CMX ,Product informationLP2951Adjustable Micro Power Voltage Regulator
LP2951CMX/NOPB ,Series of Adjustable Micropower Voltage Regulators 8-SOIC -40 to 125Maximum Ratings.. 511.3 WSON Mounting...... 337.2 ESD Ratings........ 512 Device and Documentation ..
LP2951CMX-3.0 ,Series of Adjustable Micropower Voltage RegulatorsBlock Diagram and Typical
LP2951CMX3.3 ,Series of Adjustable Micropower Voltage RegulatorsMICROCIRCUIT DATA SHEETOriginal Creation Date: 08/01/95MJLP2951-X REV 1B1Last Update Date: 05/19/98 ..
LP2951CMX-3.3 ,Series of Adjustable Micropower Voltage RegulatorsMICROCIRCUIT DATA SHEETOriginal Creation Date: 08/01/95MNLP2951-X REV 1B1Last Update Date: 05/19/98 ..
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


LP2950ACZ-3.3-LP2950ACZ-5.0-LP2950CDT-3.0-LP2950CDT-3.3-LP2950CDT-5.0-LP2950CDTX-5.0-LP2950CZ-3.0-LP2950CZ-3.3-LP2951ACMMX-3.0-LP2951ACMMX-3.3-LP2951ACMX-3.0-LP2951ACSD-LP2951ACSD-3.3-LP2951ACSDX-LP2951CMM-LP2951CMM.-LP2951CMMX-3.3-LP2951CMX-3.0-LP2951CSD
Series of Adjustable Micropower Voltage Regulators
LP2950/LP2951
Series of Adjustable Micropower V oltage Regulators
General Description

The LP2950 and LP2951 are micropower voltage regulators
with very low quiescent current (75µA typ.) and very low
dropout voltage (typ. 40mVat light loads and 380mVat
100mA). They are ideally suitedfor usein battery-powered
systems. Furthermore,the quiescent currentofthe LP2950/
LP2951 increases only slightlyin dropout, prolonging battery
life.
The LP2950-5.0is availablein the surface-mount D-Pak
package, andin the popular 3-pin TO-92 packagefor pin-
compatibility with older5V regulators. The 8-lead LP2951is
availablein plastic, ceramic dual-in-line, LLP,or metal can
packages and offers additional system functions.
One such featureisan error flag output which warnsofa low
output voltage, often dueto falling batteriesonthe input.It
maybe usedfora power-on reset.A second featureis the
logic-compatible shutdown input which enablesthe regulatorbe switchedon andoff. Also,the part maybe pin-strapped
fora 5V, 3V,or 3.3V output (dependingon the version),or
programmed from 1.24Vto 29V withan external pairof
resistors.
Careful designof the LP2950/LP2951 has minimizedall
contributionsto the error budget. This includesa tight initial
tolerance (.5% typ.), extremely good load and line regulation
(.05% typ.) anda very low output voltage temperature coef-
ficient, makingthe part usefulasa low-power voltage refer-
ence.
Features
5V, 3V, and 3.3V versions available High accuracy output voltage Guaranteed 100mA output current Extremely low quiescent current Low dropout voltage Extremely tight load and line regulation Very low temperature coefficient Useas Regulatoror Reference Needs minimum capacitancefor stability Current and Thermal Limiting Stable with low-ESR output capacitors (10mΩto 6Ω)
LP2951 versions only
Error flag warnsof output dropout Logic-controlled electronic shutdown Output programmable from 1.24to 29V
Block Diagram and Typical Applications
LP2950 LP2951

November 2004
LP2950/LP2951
Series
Adjustable
Micropower
oltage
Regulators
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