LP2988IMMX-3.0 NOPB ,Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Prog. Power-On Reset Delay 8-VSSOP -40 to 125Block Diagram1Please be aware that an important notice concerning availability, standard warranty, ..
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LP2988IMMX-3.8 ,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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Micropower, 200 mA Ultra Low-Dropout Low Noise Voltage Regulator with Programmable Power-On Reset Delay
LP2987, LP2988
www.ti.com SNVS004J –MARCH 1999–REVISED APRIL 2013
LP2987/LP2988 Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with
Programmable Power-On Reset Delay; Low Noise Version Available (LP2988)
Checkfor Samples: LP2987, LP2988
1FEATURES DESCRIPTIONThe LP2987/8 are fixed-output 200 mA precision LDO
Ultra Low Dropout Voltage voltage regulators with power-ON reset delay which
• Power-ON Reset Delay Requires Only One canbe implemented usinga single external capacitor.
Component The LP2988is specifically designed for noise-critical
• Bypass Pin for Reduced Output Noise applications.A single external capacitor connectedto
(LP2988) the Bypass pin reduces regulator output noise.
• Specified Continuous Output Current 200 mA Using an optimized VIP (Vertically Integrated PNP)
• Specified Peak Output Current> 250 mA process, these regulators deliver superior
SOIC-8 and VSSOP-8 Surface Mount Packages performance:
<2 μA Quiescent Current when Shutdown Dropout Voltage: 180 mV @ 200 mA load, and1
Low Ground Pin Currentat All Loads mV@1 mA load (typical).
0.5% Output Voltage Accuracy (“A” Grade) Ground Pin Current:1 mA@ 200 mA load, and 200@10 mA load (typical).
• Wide Supply Voltage Range (16V Max) Overtemperature/overcurrent Protection Sleep Mode: The LP2987/8 draws less than2 μA
quiescent current when shutdown pinis held low.
• −40°Cto +125°C Junction Temperature Range
Error Flag/Reset: The error flag goes low when the
APPLICATIONS output drops approximately 5% below nominal. This
pin also providesa power-ON reset signalifa
• Cellular Phone capacitoris connectedto the DELAY pin.
• Palmtop/Laptop Computer
Precision Output: Standard product versionsof the
• Camcorder, Personal Stereo, Camera LP2987 and LP2988 are available with output
voltagesof 5.0V, 3.8V, 3.3V, 3.2V, 3.0V,or 2.8V, with
specified accuracy of 0.5% (“A” grade) and 1%
(standard grade)at room temperature.
Block Diagram
