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LP2986
Micropower, 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator
LP2986
Micropower, 200 mA Ultra Low-Dropout Fixed or
Adjustable Voltage Regulator
General DescriptionThe LP2986isa 200 mA precision LDO voltage regulator
which offers the designera higher performance versionof
the industry standard LP2951.
Usingan optimized VIP™ (Vertically Integrated PNP) pro-
cess, the LP2986 delivers superior performance:
Dropout Voltage: Typically 180 mV@ 200 mA load, and1@1 mA load.
Ground Pin Current: Typically1 mA@ 200 mA load, and
200μA@10 mA load.
Sleep Mode: The LP2986 draws less than1μA quiescent
current when shutdownpinis pulled low.
Error Flag: The built-in error flag goes low when the output
drops approximately 5% below nominal.
Precision Output: The standard product versions available
canbe pin-strapped (using the internal resistive divider)to
provide output voltagesof 5.0V, 3.3V,or 3.0V with guaran-
teed accuracyof 0.5% (“A” grade) and 1% (standard grade) room temperature.
Features Ultra low dropout voltage Guaranteed 200 mA output current SO-8 and mini-SO8 surface mount packages <1μA quiescent current when shutdown Low groundpin currentatall loads 0.5% output voltage accuracy (“A” grade) High peak current capability (400 mA typical) Wide supply voltage range (16V max) Overtemperature/overcurrent protection −40˚Cto +125˚C junction temperature range
Applications Cellular Phone Palmtop/Laptop Computer Camcorder, Personal Stereo, Camera
Block DiagramJanuary 2002
LP2986
Micropower
Ultra
Low-Dropout
Fixed
Adjustable
oltage
Regulator
