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LP3892ES-1.2-LP3892ES-1.5-LP3892ESX-1.5-LP3892ET-1.2-LP3892ET-1.5 Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
LP3892ET-1.2 |LP3892ET12N/a106avai1.5A Fast-Response Ultra Low Dropout Linear Regulators
LP3892ES-1.2 |LP3892ES12NSN/a293avai1.5A Fast-Response Ultra Low Dropout Linear Regulators
LP3892ES-1.5 |LP3892ES15NSN/a176avai1.5A Fast-Response Ultra Low Dropout Linear Regulators
LP3892ESX-1.5 |LP3892ESX15NSN/a371avai1.5A Fast-Response Ultra Low Dropout Linear Regulators
LP3892ET-1.5 |LP3892ET15NSN/a25avai1.5A Fast-Response Ultra Low Dropout Linear Regulators
LP3892ET-1.8 |LP3892ET18NSN/a10avai1.5A Fast-Response Ultra Low Dropout Linear Regulators


LP3892ESX-1.5 ,1.5A Fast-Response Ultra Low Dropout Linear RegulatorsLP3892 1.5A Fast-Response Ultra Low Dropout Linear RegulatorsSeptember 2003LP38921.5A Fast-Response ..
LP3892ET-1.2 ,1.5A Fast-Response Ultra Low Dropout Linear RegulatorsApplicationsmum external capacitance is required to maintain loop sta-n DSP Power Suppliesbility.n ..
LP3892ET-1.5 ,1.5A Fast-Response Ultra Low Dropout Linear RegulatorsLP3892 1.5A Fast-Response Ultra Low Dropout Linear RegulatorsSeptember 2003LP38921.5A Fast-Response ..
LP3892ET-1.8 ,1.5A Fast-Response Ultra Low Dropout Linear RegulatorsApplicationsmum external capacitance is required to maintain loop sta-n DSP Power Suppliesbility.n ..
LP3893ES-1.5 ,3A Fast-Response Ultra Low Dropout Linear RegulatorsApplicationsmum external capacitance is required to maintain loop sta-n DSP Power Suppliesbility.n ..
LP3893ESX-1.2 ,3A Fast-Response Ultra Low Dropout Linear RegulatorsFeatures@n Ultra low dropout voltage (270 mV 3A typ)The LP3893 is a high-current, fast-response reg ..
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LP3892ES-1.2-LP3892ES-1.5-LP3892ESX-1.5-LP3892ET-1.2-LP3892ET-1.5-LP3892ET-1.8
1.5A Fast-Response Ultra Low Dropout Linear Regulators
LP3892
1.5A Fast-Response Ultra Low Dropout Linear
Regulators
General Description

The LP3892isa high current, fast response regulator which
can maintain output voltage regulation with minimum inputto
output voltage drop. Fabricatedona CMOS process, the
device operates from two input voltages: Vbias provides
voltageto drive the gateof the N-MOS power transistor,
while Vinis the input voltage which supplies powerto the
load. The useofan external bias rail allows the partto
operate from ultra low Vin voltages. Unlike bipolar regula-
tors, the CMOS architectutre consumes extremely low qui-
escent currentat any output load current. The useofan
N-MOS power transistor resultsin wide bandwidth,yet mini-
mum external capacitanceis requiredto maintain loop sta-
bility.
The fast transient responseof these devices makes them
suitablefor usein powering DSP, Microcontroller Core volt-
ages and Switch Mode Power Supply post regulators. The
partsare availablein TO-220 and TO-263 packages.
Dropout Voltage:140mV
(typ)@ 1.5A load current.
Ground Pin Current:
3 mA (typ)atfull load.
Shutdown Current:
60nA (typ) when S/Dpinis low.
Precision Output Voltage:
1.5% room temperature accu-
racy.
Features
Ultra low dropout voltage (140 mV@ 1.5A typ) Low groundpin current Load regulationof 0.04%/A60nA typical quiescent currentin shutdown 1.5% output accuracy (25˚C) TO-220, TO-263 packages Over temperature/over current protection −40˚Cto +125˚C junction temperature range
Applications
DSP Power Supplies Server Core andI/O Supplies PC Add-in-Cards Local Regulatorsin Set-Top Boxes Microcontroller Power Supplies High Efficiency Power Supplies SMPS Post-Regulators
Typical Application Circuit

20069601 least10µFof inputand output capacitanceis requiredfor stability.
*Tantalum capacitorsare recommended. Aluminum electrolytic capacitorsmaybe usedfor restricted temperature range.See application hints.
Connection Diagrams

TO-220, Top View
TO-263, Top View
September 2003
LP3892
1.5A
Fast-Response
Ultra
Low
Dropout
Linear
Regulators
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