LP3874EMPX-ADJ ,0.8A Fast Ultra Low Dropout Linear Regulatorsapplications. The LP3874-ADJ is developedn Guaranteed output current of 0.8A DCon a CMOS process wh ..
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LP3874-ADJ-LP3874EMP-ADJ-LP3874EMPX-ADJ-LP3874ES-ADJ-LP3874ESX-ADJ-LP3874ET-ADJ
0.8A Fast Ultra Low Dropout Linear Regulators
LP3874-ADJ
0.8A Fast Ultra Low Dropout Linear Regulators
General DescriptionThe LP3874-ADJ fast ultra low-dropout linear regulators op-
erate froma +2.5Vto +7.0V input supply. These ultra low
dropout linear regulators respond very quicklyto step
changesin load, which makes them suitablefor low voltage
microprocessor applications. The LP3874-ADJis developeda CMOS process which allows low quiescent current
operation independentof output load current. This CMOS
process also allows the LP3874-ADJto operate under ex-
tremely low dropout conditions.
Dropout Voltage: Ultra low dropout voltage; typically 24mV 80mA load current and 240mVat 0.8A load current.
Ground Pin Current: Typically 6mAat 0.8A load current.
Shutdown Mode: Typically 10nA quiescent current when
the shutdownpinis pulled low.
Adjustable Output Voltage: The output voltage maybe
programmedvia two external resistors.
Features Ultra low dropout voltage Low groundpin current Load regulationof 0.04% 10nA quiescent currentin shutdown mode Guaranteed output currentof 0.8A DC Availablein TO-263, TO-220 and SOT-223 packages Minimum output capacitor requirements Overtemperature/overcurrent protection −40˚Cto +125˚C junction temperature range
Applications Microprocessor power supplies GTL, GTL+, BTL, and SSTL bus terminators Power suppliesfor DSPs SCSI terminator Post regulators High efficiency linear regulators Battery chargers Other battery powered applications
Typical Application Circuit*See Application Hints
February 2004
LP3874-ADJ
0.8A
Fast
Ultra
Low
Dropout
Linear
Regulators
