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8405 - LOW-DROPOUT REGULATORS

Datasheet Summary

Features

  • I I I I I I I I I I I I High Efficiency Provides Extended Battery Life 100 mV Typical Dropout Voltage at IO = 100 mA 80 µA Typical Quiescent Current Low Output Noise 200 mA Current-Limited Output Improved PSRR and Transient Performance Cordless/Cellular/GSM/PHS Telephones Personal Data Assistants Personal Communicators Palmtop Computers GPS Pagers.

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Datasheet Details

Part number 8405
Manufacturer Allegro MicroSystems
File Size 118.71 KB
Description LOW-DROPOUT REGULATORS
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    8405 PRELIMINARY INFORMATION (subject to change without notice) June 25, 1999 BYPASS OR ADJ* OUT LOW-DROPOUT REGULATORS — HIGH EFFICIENCY Designed specifically to meet the requirement for extended operation of battery-powered equipment such as cordless and cellular telephones, the A8405SLH voltage regulators offer the reduced dropout voltage and quiescent current essential for maximum battery life. Applicable also to palmtop computers and personal data assistants, these devices deliver a regulated output at up to 200 mA (transient), which is internally limited, providing short-circuit protection. Regulated output voltages of 2.7, 2.8, 3.0, 3.2, 3.3, 3.6, 3.8, 4.0, and 5.0 V are currently provided. Other voltages, down to 2.0 volts, are available on special order.
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