SP809 Datasheet 3 Pin Microprocessor Supervisor Circuit

Manufacturer: MaxLinear

Overview: July 14, 2021 GENERAL.

SP809 3 pin microprocessor supervisor circuit by MaxLinear - Datasheet Preview

Datasheet Details

Part number	SP809
Manufacturer	MaxLinear
File Size	735.42 KB
Description	3 Pin Microprocessor Supervisor Circuit
Download	SP809 Download (PDF)

General Description

The SP809 is a low power mic roproc essor (μP) supervisory circuit used to monitor power supplies in μP and digital systems.

It provides applications with benefits of circuit reliability and low cost by eliminating ext ernal components.

If the VCC supply voltage falls below preset threshold then a reset signal is asserted for at least 140ms after VCC has risen above the reset threshold.

Key Features

Ultra Low Supply Current 1µA (typ).
Guaranteed Reset valid to VCC = 0.9V.
140ms Power-On Reset Pulse Width.
Internally Fixed Threshold 2.3V, 2.6V, 2.9V, 3.1V, 4.4V, 4.6V.
1.5% Voltage Threshold Tolerance.
3 Pin SOT-23 Package Part Number SP809N SP809 Output Type Open Drain Active Low Push-Pull Low.

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