LP2988 ,Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset Delay; Low Noise Version Available (LP2988)Featuresn Ultra low dropout voltageThe LP2987/8 are fixed-output 200 mA precision LDO volt-age regu ..
LP2988AILD-3.3 ,Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset DelayLP2987/LP2988 Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with ProgrammablePower-On Rese ..
LP2988AILD-3.8 ,Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset DelayLP2987/LP2988 Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with ProgrammablePower-On Rese ..
LP2988AILDX-3.0 ,Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset DelayFeaturesn Ultra low dropout voltageThe LP2987/8 are fixed-output 200 mA precision LDO volt-age regu ..
LP2988AILDX-5.0 ,Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset DelayFeaturesn Ultra low dropout voltageThe LP2987/8 are fixed-output 200 mA precision LDO volt-age regu ..
LP2988AIM-2.5 ,Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset DelayFeaturesn Ultra low dropout voltageThe LP2987/8 are fixed-output 200 mA precision LDO volt-age regu ..
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LP2988
Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset Delay; Low Noise Version Available (LP2988)
LP2987/LP2988
Micropower, 200 mA Ultra Low-Dropout V oltage
Regulator with Programmable Power-On Reset Delay;
Low Noise Version Available (LP2988)
General DescriptionThe LP2987/8 are fixed-output 200 mA precision LDO volt-
age regulators with power-ON reset delay which canbe
implemented usinga single external capacitor.
The LP2988is specifically designedfor noise-critical appli-
cations.A single external capacitor connectedtothe Bypass
pin reduces regulator output noise.
Usingan optimized VIP™ (Vertically Integrated PNP) pro-
cess, these regulators deliver superior performance:
Dropout Voltage: 180mV@ 200mA load, and1mV@ 1mA
load (typical).
Ground Pin Current: 1mA@ 200 mA load, and 200μA@ mA load (typical).
Sleep Mode: The LP2987/8 draws less than2μA quiescent
current when shutdownpinis held low.
Error Flag/Reset: The error flag goes low when the output
drops approximately 5% below nominal. This pin also pro-
videsa power-ON reset signalifa capacitoris connectedto
the DELAY pin.
Precision Output: Standard product versionsofthe LP2987
and LP2988are available with output voltagesof 5.0V, 3.8V,
3.3V, 3.2V, 3.0V,or 2.8V, with guaranteed accuracyof 0.5%
(“A” grade) and 1% (standard grade)at room temperature.
Features Ultra low dropout voltage Power-ON reset delay requires only one component Bypasspinfor reduced output noise (LP2988) Guaranteed continuous output current 200 mA Guaranteed peak output current> 250 mA SO-8 and mini SO-8 surface mount packages <2μA quiescent current when shutdown Low groundpin currentatall loads 0.5% output voltage accuracy (“A” grade) 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 DiagramsFebruary 2002
LP2987/LP2988
Micropower
Ultra
Low-Dropout
oltage
Regulator
with
Programmable
Power-On
Reset
Delay
