CAT809TSDI-T3

Product Overview

Category

CAT809TSDI-T3 belongs to the category of electronic components.

Use

It is commonly used in electronic circuits for voltage monitoring and reset functions.

Characteristics

• Low power consumption
• Wide operating voltage range
• High accuracy
• Small package size

Package

The CAT809TSDI-T3 is available in a small SOT-23 package.

Essence

This component serves as a voltage supervisor and reset generator in electronic systems.

Packaging/Quantity

The CAT809TSDI-T3 is typically packaged in reels, with 3000 units per reel.

Specifications

• Operating Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The CAT809TSDI-T3 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Monitors the voltage level and generates a reset signal when it drops below the specified threshold.
• Provides a reliable reset function during power-up and power-down sequences.
• Offers a wide range of reset threshold voltage and timeout period options for flexibility in different applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages

• Small package size allows for space-saving integration into compact electronic devices.
• Wide operating voltage range makes it compatible with various power supply systems.
• High accuracy ensures reliable voltage monitoring and reset functionality.
• Low power consumption prolongs battery life in portable applications.

Disadvantages

• Limited reset threshold voltage and timeout period options compared to some other similar components.
• May require additional external components for specific application requirements.

Working Principles

The CAT809TSDI-T3 operates by continuously monitoring the input voltage. When the voltage drops below the specified threshold, the internal circuitry triggers the RESET pin, generating a reset signal. This signal can be used to initiate system resets or perform other necessary actions during power-up or power-down sequences.

Detailed Application Field Plans

The CAT809TSDI-T3 finds applications in various electronic systems where voltage monitoring and reset functions are critical. Some common application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial control systems

Detailed and Complete Alternative Models

1. CAT809TSI-GT3: Similar to CAT809TSDI-T3 but with different reset threshold voltage options.
2. CAT810STDI-GT3: Offers additional features like manual reset input and watchdog timer functionality.
3. MAX809T: Alternative component from Maxim Integrated with comparable specifications and functionality.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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