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LP3982

National Semiconductor
Part Number LP3982
Manufacturer National Semiconductor
Description Micropower/ Ultra Low-Dropout/ Low-Noise/ 300mA CMOS Regulator
Published Mar 22, 2005
Detailed Description LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator July 2002 LP3982 Micropower, Ultra Low-Dropout, ...
Datasheet PDF File LP3982 PDF File

LP3982
LP3982

Overview
LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator July 2002 LP3982 Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator General Description The LP3982 low-dropout (LDO) CMOS linear regulator is available in 1.
8V, 2.
5V, 2.
77V, 2.
82V, 3.
0V, 3.
3V, and adjustable versions.
They deliver 300mA of output current.
Packaged in an 8-Pin MSOP, the LP3982 is pin and package compatible with Maxim’s MAX8860.
The LM3982 is also available in the small footprint LLP package.
The LP3982 suits battery powered applications because of its shutdown mode (1nA typ), low quiescent current (90µA typ), and LDO voltage (120mV typ).
The low dropout voltage allows for more utilization of a battery’s available energy by operating closer to its end-of-life voltage.
The LP3982’s PMOS output transistor consumes relatively no drive current compared to PNP LDO regulators.
This PMOS regulator is stable with small ceramic capacitive loads (2.
2µF typ).
These devices also include regulation fa...


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