LP3855ES-3.3/NOPB ,1.5A Fast Response Ultra Low Dropout Linear Regulators 5-DDPAK/TO-263 -40 to 125Features 3 DescriptionThe LP3852 and LP3855 series of fast ultra-low1• Input Supply Voltage: 2.5 V ..
LP3855ES-5.0 ,1.5A Fast Ultra Low Dropout Linear RegulatorFeaturesn Ultra low dropout voltageThe LP3852/LP3855 series of fast ultra low-dropout linearregulat ..
LP3855ES-ADJ ,1.5A Fast Ultra Low Dropout Linear RegulatorApplicationsthe shutdown pin is pulled low.n Microprocessor power suppliesError Flag: Error flag go ..
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LP3855ESX-1.8 ,1.5A Fast Ultra Low Dropout Linear RegulatorPin Description for TO220-5 and TO263-5 PackagesLP3852 LP3855Pin #Name Function Name Function1SD Sh ..
LP3855ESX-3.3 ,1.5A Fast Ultra Low Dropout Linear RegulatorPin Description for TO220-5 and TO263-5 PackagesLP3852 LP3855Pin #Name Function Name Function1SD Sh ..
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LP3855ES-3.3/NOPB
1.5A Fast Response Ultra Low Dropout Linear Regulators 5-SOT-223 -40 to 125
LP3855-2.5 VOUT
10 PFSDSD** SENSE
OUTIN
GND
LP3852-2.5 COUT*
10 PF
CIN*
INPUT VOUT
10 PFERROR**SDSD** ERROR
2.5V, 1.5A3.3V ± 10%
* TANTALUM OR CERAMIC
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LP3852, LP3855SNVS174I –FEBRUARY 2003–REVISED FEBRUARY 2015
LP385x 1.5-A Fast Response Ultra-Low Dropout Linear Regulators Features 3 DescriptionThe LP3852 and LP3855 series of fast ultra-low Input Supply Voltage: 2.5Vto7V dropout linear regulators operate froma 2.5-Vto 7-V• Ultra-Low Dropout Voltage input supply.A wide rangeof preset output voltage• Stable with Selected Ceramic Capacitors options are available. These ultra-low dropout linear
regulators respond very quicklyto step changesin• Low Ground-Pin Current load, which makes them suitable for low voltage• Load Regulationof 0.06% microprocessor applications. The LP3852 and• 10-nA Quiescent Currentin Shutdown Mode LP3855 are developed ona CMOS process which
allows low quiescent-current operation independent• Specified Output Currentof 1.5A DC output load current, typically4 mAat 1.5-A load• Output Voltage Accuracy± 1.5% current. This CMOS process also allows the LP3852• ERROR Pin Indicates Output Status and LP3855to operate under extremely low dropout SENSE Option Improves Load Regulation conditions, typically 24 mVat 150-mA load current
and 240 mVat 1.5-A load current.• Overtemperature/Overcurrent Protection −40°Cto 125°C Junction Temperature Range The LP3852 has an ERROR pin;it goes low when
the output voltage drops 10% below nominal value.
The LP3855 hasa SENSE pinto improves regulation
2 Applications remote loads.• Microprocessor Power Supplies
The LP3852 and LP3855 are available with fixed• GTL, GTL+, BTL, and SSTL Bus Terminators output voltages from 1.8Vto5V witha specified• Power Supplies for DSPs accuracyof ±1.5%at room temperature, and ±3% SCSI Terminator over all conditions (varying line, load, and
temperature). Contact Texas Instruments Sales for• Post Regulators specific voltage option needs.• High Efficiency Linear Regulators Battery Chargers
Device Information(1) Other Battery Powered Applications
(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Simplified Schematicsbe pulled high resistor. Connectthe ERRORpinto groundif this
