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Description:Simple Sequencers in 6-Lead SC70
Manufacturer:Analog Devices
Datasheet:PDF (299K).
Click here to download *)

The ADM1085/ADM1086/ADM1087/ADM1088 are simple sequencing circuits that provide a time delay between the enabling of voltage regulators and/or dc-dc converters at powerup in multiple supply systems. When the output voltage of the first power module reaches a preset threshold, a time delay is initiated before an enable signal allows subsequent regulators to power up. Any number of these devices can be cascaded with regulators to allow sequencing of multiple power supplies. Threshold levels can be set with a pair of external resistors in a voltage divider configuration. By choosing appropriate resistor values, the threshold can be adjusted to monitor voltages as low as 0.6 V.

Click here to download ADM1086 Datasheet
Click here to download ADM1086 Datasheet
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