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MAX6819 - SOT23 Power-Supply Sequencers

Description

The MAX6819/MAX6820 are power-supply sequencers for dual-voltage microprocessors (µPs) and multivoltage systems.

These devices monitor a primary supply voltage and enable/disable an external N-channel MOSFET switch for a secondary supply voltage.

Features

  • a logic-driven EN input to enable/disable the external MOSFET drive and includes an internally fixed 200ms enable timeout period (V.

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Datasheet preview – MAX6819

Datasheet Details

Part number MAX6819
Manufacturer Maxim
File Size 501.85 KB
Description SOT23 Power-Supply Sequencers
Datasheet download datasheet MAX6819 Datasheet
Additional preview pages of the MAX6819 datasheet.

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Full PDF Text Transcription

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19-1951; Rev 2; 4/02 SOT23 Power-Supply Sequencers General Description The MAX6819/MAX6820 are power-supply sequencers for dual-voltage microprocessors (µPs) and multivoltage systems. These devices monitor a primary supply voltage and enable/disable an external N-channel MOSFET switch for a secondary supply voltage. The MAX6819/MAX6820 control local component voltage sequencing when system power-on/power-off characteristics cannot be guaranteed (supplies come from a multivoltage system bus, silver box, or must be sequenced in different modes for components on the same board). These small power-supply sequencers improve system reliability. The MAX6819/MAX6820 include an internal voltage reference/comparator with externally adjustable thresholds to monitor the primary power supply.
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