LP2989ILDX-3.3/NOPB ,Micropower/Low Noise, 500 mA Ultra Low-Dropout Regulator 8-WSON -40 to 125 SNVS083O–FEBRUARY 2005–REVISED MARCH 20155 Pin Configuration and FunctionsD/DGK PackagesNGN Packag ..
LP2989ILDX-5.0 ,Micropower/Low Noise, 500 mA Ultra Low-Dropout RegulatorApplicationsError Flag: The built-in error flag goes low when the outputdrops approximately 5% belo ..
LP2989IM-1.8 ,Micropower 500 mA Low Noise Low-Dropout Regulator for Applications with Output Voltages < 2Vapplications requiring output voltages 2V.n Very low output noise with external capacitorOutputnois ..
LP2989IM-2.5 ,Micropower/Low Noise, 500 mA Ultra Low-Dropout RegulatorLP2989 Micropower/Low Noise, 500 mA Ultra Low-Dropout RegulatorFor Use with Ceramic Output Capacito ..
LP2989IM-3.0 ,Micropower/Low Noise, 500 mA Ultra Low-Dropout RegulatorFeaturesn Ultra low dropout voltageThe LP2989 is a fixed-output 500 mA precision LDO regu-lator des ..
LP2989IM3.3 ,Micropower/Low Noise, 500 mA Ultra Low-Dropout RegulatorApplicationsError Flag: The built-in error flag goes low when the outputdrops approximately 5% belo ..
LT1004CD-1-2 ,1.2maximum ratings over operating free-air temperature range (unless otherwise noted)Reverse current, ..
LT1004CD-25 ,1.2/packaging.symbolANODE CATHODE(A) (K)2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265LT1004-1.2, LT100 ..
LT1004CD-2-5 ,1.2.‡Package drawings, thermal data, and symbolization are available at http://
LT1004CDR-1.2 ,1.2.‡Package drawings, thermal data, and symbolization are available at http://
LT1004CDR-1-2 ,1.2LT1004-1.2, LT1004-2.5MICROPOWER INTEGRATED VOLTAGE REFERENCESSLVS022M − JANUARY 1989 − REVISED MAY ..
LT1004CDR-2.5 ,1.2maximum ratings over operating free-air temperature range (unless otherwise noted)Reverse current, ..
LP2989AIM-2.5/NOPB-LP2989AIMM-3.3/NOPB-LP2989ILDX-3.3-LP2989ILDX-3.3/NOPB-LP2989IMM-5.0/NOPB
Micropower/Low Noise, 500 mA Ultra Low-Dropout Regulator
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LP2989SNVS083O –FEBRUARY 2005–REVISED MARCH 2015
LP2989 Micropower and Low-Noise, 500-mA Ultra Low-Dropout Regulator for Use With
Ceramic Output Capacitors Features 3 DescriptionThe LP2989isa fixed-output 500-mA precision LDO 2.1-Vto 16-V Input Voltage Range regulator designed for use with ceramic output• 2.5-Vto 5-V Fixed Output Voltage Options capacitors.• Ultra-Low Dropout Voltage Output noise can be reducedto 18 μV (typical) by• 500-mA Continuous Output Current connectingan external 10-nF capacitorto the bypass Very Low Output Noise With External Capacitor pin. < 0.8-µA Quiescent Current When Shutdown Using an optimized Vertically Integrated PNP (VIP) Low Ground Pin CurrentatAll Loads process, the LP2989 delivers superior performance:
Dropout Voltage: Typically 310 mVat 500-mA• 0.75% Output Voltage Accuracy(A Grade)
load, and1 mVat 100-µA load.• High Peak Current Capability (800-mA typical) •
Ground Pin Current: Typically3 mAat 500-mA• Overtemperature and Overcurrent Protection load, and 110 µAat 100-µA load.• −40°Cto 125°C Junction Temperature Range •
Sleep Mode: The LP2989 draws less than 0.8-µA
quiescent current when SHUTDOWN pinis pulled
2 Applications low. Notebooks and Desktop PCs •
Error Flag: The built-in error flag goes low when
the output drops approximately 5% below• PDAs and Palmtop Computers nominal.• Wireless Communication Pins •
Precision Output: Output voltage accuracyis• SMPS Post-Regulators 0.75% (A grade) and 1.25% (standard grade)at
room temperature.
For output voltages<2V, see LP2989LV (SNVS086)
data sheet.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Typical Application
