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CAT809RTBI-GT3 The ON Semiconductor CAT809RTBI-GT3 is a supervisory circuit designed to monitor power supplies in digital systems. It features a push-pull active low reset output and is available in a SOT-23-3 package.
Mfr Part #:

CAT809RTBI-GT3

Available from 7 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor CAT809RTBI-GT3 is a supervisory circuit designed to monitor power supplies in digital systems. It features a push-pull active low reset output and is available in a SOT-23-3 package.
✓ Total Stock: 35,551 pcs
$ Price Range: $0.75

CAT809RTBI-GT3 Available from 7 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

CAT809RTBI-GT3 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
SVHC Present
Supplier Device Package
Supplier Package
Type
Voltage
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CAT809RTBI-GT3 Description

Short technical summary and product information.

The ON Semiconductor CAT809RTBI-GT3 is a 3-pin microprocessor power supply supervisor. It monitors a single power supply voltage and generates a reset signal when the voltage drops below a preset threshold. The reset signal is asserted while the power supply voltage is below the threshold and for at least 140 ms after the voltage has risen above it.

 

This device offers a push-pull, active low reset output and operates over an industrial temperature range of -40°C to +85°C. It supports multiple standard voltage thresholds including +5.0 V, +3.3 V, +3.0 V, and +2.5 V systems, with a specific nominal threshold of 2.63V. The reset is guaranteed to be valid down to 1.0 V.

 

The CAT809RTBI-GT3 is supplied in a compact SOT-23-3 surface-mount package, making it suitable for space-constrained applications. It is a direct replacement for Maxim Integrated's MAX803, MAX809, and MAX810 devices.

CAT809RTBI-GT3 Quick Information

Product Type: Supervisory Circuit
Canonical Name: CAT809RTBI-GT3 Push-Pull Active Low Supervisory Circuit
Subcategory: Power Management ICs

CAT809RTBI-GT3 Compliance

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

CAT809RTBI-GT3 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

CAT809RTBI-GT3 Features

  • Monitors single power supply voltage.
  • Active low push-pull reset output.
  • Supports 2.63V threshold voltage.
  • 140ms minimum reset timeout.
  • Operates from -40°C to +85°C.

CAT809RTBI-GT3 Applications

  • Ideal for microprocessor systems.
  • Used in embedded control systems.
  • Suitable for computers and laptops.
  • Applicable in wireless communications.
  • Powersupply monitoring in handheld devices.

CAT809RTBI-GT3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the threshold voltage of the CAT809RTBI-GT3?

The threshold voltage is 2.63 V.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What package does the CAT809RTBI-GT3 come in?

It comes in a SOT-23-3 surface-mount package.

What is the reset timeout period?

The minimum reset timeout period is 140 ms.

What is the output type?

The output is push-pull, totem pole with active-low reset.

What is the supply current?

The typical supply current is 6 μA.

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