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8187 - LOW-DROPOUT/ 3.3 V REGULATOR

Datasheet Summary

Features

  • I I I I I I High Efficiency Provides Extended Battery Life 85 mV Typical Dropout Voltage at IO = 60 mA 45 µA Typical Quiescent Current at VI = 6 V Up to 150 mA Output Current Internal Thermal Protection Surface-Mount Package.

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Datasheet Details

Part number 8187
Manufacturer Allegro MicroSystems
File Size 118.20 KB
Description LOW-DROPOUT/ 3.3 V REGULATOR
Datasheet download datasheet 8187 Datasheet
Additional preview pages of the 8187 datasheet.

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Full PDF Text Transcription

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8187 LOW-DROPOUT, 3.3 V REGULATOR — HIGH EFFICIENCY Designed specifically to meet the requirement for extended operation of battery-powered equipment such as cordless and cellular telephones, the A8187SLT voltage regulator offers the reduced dropout voltage and quiescent current essential for maximum battery life. Applicable also to palmtop computers and personal data assistants, the device delivers a regulated, continuous 3.3 V output at up to 75 mA under normal operating conditions, or to 150 mA (transient) under worst-case conditions. A PMOS pass element provides a typical dropout voltage of only 85 mV at 60 mA of load current. The low dropout voltage permits deeper battery discharge before output regulation is lost.
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