1.5A Fast Ultra Low Dropout Linear Regulator

The LP3852 LP3855 series of fast ultra low-dropout linear Regulators operate from a +2.5V to +7.0V input supply. Wide range of preset output voltage options are available. These ultra low dropout linear Regulators respond very quickly to step changes in load, which makes them suitable for low voltage Microprocessor applications. The LP3852 LP3855 are developed on a CMOS process which allows low quiescent current operation independent of output load current. This CMOS process also allows the LP3852 LP3855 to operate under extremely low dropout conditions.
Dropout Voltage: Ultra low dropout voltage; typically 24mV at 150mA load current and 240mV at 1.5A load current.
Ground Pin Current: Typically 4mA at 1.5A load current.
Shutdown Mode: Typically 10nA quiescent current when the shutdown pin is pulled low.
Error# Flag: Error# flag goes low when the output voltage drops 10% below nominal value.
SENSE: Sense pin improves regulation at remote loads.
Precision Output Voltage: Multiple output voltage options are available ranging from 1.8V to 5.0V with a guaranteed accuracy of 1.5% at room temperature, and 3.0% over all conditions (varying line, load, and temperature).
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LP3855EMP-ADJ/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-SOT-223 -40 to 125
LP3855ET-5.0/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-TO-220 -40 to 125
LP3855EMPX-ADJ/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-SOT-223 -40 to 125
LP3855ES-3.3/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-DDPAK/TO-263 -40 to 125
LP3855ET-1.8/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-TO-220 -40 to 125
LP3855ET-2.5/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-TO-220 -40 to 125
LP3855EMPX-2.5/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-SOT-223 -40 to 125
LP3855ESX-5.0/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-DDPAK/TO-263 -40 to 125
LP3855EMP-5.0/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-SOT-223 -40 to 125
LP3855EMP-1.8/NOPB Texas Instruments 1.5A Fast Response Ultra Low Dropout Linear Regulators 5-SOT-223 -40 to 125
LP3855 's PackagesLP3855 's pdf datasheet
LP3855EMP-1.8 SOT-223
LP3855EMP-2.5 SOT-223
LP3855EMP-3.3 SOT-223
LP3855EMP-5.0 SOT-223
LP3855EMPX-1.8 SOT-223
LP3855EMPX-2.5 SOT-223
LP3855EMPX-3.3 SOT-223
LP3855EMPX-5.0 SOT-223
LP3855ET-1.8 TO-220
LP3855ET-2.5 TO-220
LP3855ET-3.3 TO-220
LP3855ET-5.0 TO-220
LP3855ES-1.8 TO-263
LP3855ES-2.5 TO-263
LP3855ES-3.3 TO-263
LP3855ES-5.0 TO-263
LP3855ESX-1.8 TO-263
LP3855ESX-2.5 TO-263
LP3855ESX-3.3 TO-263
LP3855ESX-5.0 TO-263




LP3855 Pinout, Pinouts
LP3855 pinout,Pin out
This is one package pinout of LP3855,If you need more pinouts please download LP3855's pdf datasheet.

LP3855 Application circuits
LP3855 circuits
This is one application circuit of LP3855,If you need more circuits,please download LP3855's pdf datasheet.


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