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LP3988 - Micropower/ 150mA Ultra Low-Dropout CMOS Voltage Regulator

Datasheet Summary

Description

The LP3988 is a 150mA low dropout regulator designed specially to meet requirements of Portable batteryapplications.

The LP3988 is designed to work with a space saving, small 1µF ceramic capacitor.

Features

  • an Error Flag output that indicates a faulty output condition. The LP3988’s performance is optimized for battery powered systems to deliver low noise, extremely low dropout voltage and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life. Power supply rejection is better than 60 dB at low frequencies and starts to roll off at 10 kHz. High power supply rejection is maintained down to lower input voltage levels common to battery op.

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Datasheet Details

Part number LP3988
Manufacturer National Semiconductor
File Size 292.50 KB
Description Micropower/ 150mA Ultra Low-Dropout CMOS Voltage Regulator
Datasheet download datasheet LP3988 Datasheet
Additional preview pages of the LP3988 datasheet.

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Full PDF Text Transcription

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LP3988 Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good August 2004 LP3988 Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good General Description The LP3988 is a 150mA low dropout regulator designed specially to meet requirements of Portable batteryapplications. The LP3988 is designed to work with a space saving, small 1µF ceramic capacitor. The LP3988 features an Error Flag output that indicates a faulty output condition. The LP3988’s performance is optimized for battery powered systems to deliver low noise, extremely low dropout voltage and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life.
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