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MAX809SEUR-T The MAX809SEUR-T is a microprocessor supervisory circuit from Analog Devices / Maxim Integrated. It monitors power supply voltages and asserts a reset signal when VCC drops below a preset threshold.
Mfr Part #:

MAX809SEUR-T

Available from 5 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX809SEUR-T is a microprocessor supervisory circuit from Analog Devices / Maxim Integrated. It monitors power supply voltages and asserts a reset signal when VCC drops below a preset threshold.
✓ Total Stock: 512,895 pcs
$ Price Range: $0.75

MAX809SEUR-T Available from 5 distributors

✓ Authorised
✓ Non-Authorised
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MAX809SEUR-T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Supply Current
Supply Voltage
Type
Voltage
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MAX809SEUR-T Description

Short technical summary and product information.

The MAX809SEUR-T is a single-channel microprocessor supervisory circuit designed by Analog Devices / Maxim Integrated. It is used to monitor power supply voltages in digital systems, providing a reliable reset signal when the supply voltage declines below a preset threshold of 2.93V. The circuit features an active-low, push-pull reset output with a minimum timeout pulse width of 140ms.

 

This supervisor IC is suitable for various power supply voltages including +2.5V, +3V, +3.3V, and +5V. It operates over a wide temperature range of -40°C to 105°C and is available in a compact SOT-23-3 surface mount package. Its low supply current makes it ideal for portable and battery-powered equipment.

 

The MAX809SEUR-T is designed to ignore fast transients on VCC and guarantees a valid reset state for VCC down to 1V. It requires no external components, simplifying system design and reducing costs. Applications include computers, controllers, intelligent instruments, and critical μP/μC power monitoring.

MAX809SEUR-T Quick Information

Product Type: Supervisor IC
Series: MAX809
Canonical Name: MAX809SEUR-T Microprocessor Supervisory Circuit
Subcategory: Power Management

MAX809SEUR-T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX809SEUR-T Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX809SEUR-T Features

  • Monitors single power supply voltage.
  • 2.93V reset threshold.
  • 140ms minimum reset timeout.
  • Active-low push-pull output.
  • SOT-23-3 surface mount package.

MAX809SEUR-T Applications

  • Critical μP and μC power monitoring.
  • Portable and battery-powered equipment.
  • Computers and controllers.
  • Intelligent instruments.
  • Automotive applications.

MAX809SEUR-T FAQs

6 frequently asked questions generated from this part’s specifications.
What are the supported supply voltages for the MAX809SEUR-T?

The MAX809SEUR-T operates at 2.5V, 3V, 3.3V, or 5V.

What is the package type of the MAX809SEUR-T?

It comes in TO-236-3, SC-59, or SOT-23-3 surface mount packages.

What is the operating temperature range?

-40°C to 105°C.

What is the reset threshold voltage?

2.93V.

What is the reset timeout period?

Minimum 140ms.

What is the typical supply current?

12μA.

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