CAT809TTBI-GT3

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CAT809TTBI-GT3

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CAT809 - 3-PIN MICROPROCESSOR PO

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Especificações

Atributo Valor
Package / Case Bulk
Part Status Active
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 3.08V
Output Push-Pull, Totem Pole
Reset Active Low
Reset Timeout 140ms Minimum
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The CAT809TTBI-GT3 is a microprocessor supervisory circuit designed to monitor the supply voltage in digital systems and provide a reset signal to the processor when necessary. It ensures reliable operation by preventing malfunction during power-up, power-down, or brownout conditions. The device typically includes features such as a precision voltage reference, a fast reset assertion when the supply voltage drops below a predetermined threshold, and a reset pulse width to allow time for system stabilization. It is commonly used in applications like computers, embedded systems, and other electronic devices where maintaining processor integrity is critical. The compact design and low power consumption make the CAT809TTBI-GT3 suitable for portable and space-constrained applications.

Equivalent

The CAT809TTBI-GT3 is a voltage supervisory IC, specifically a reset generator. Equivalent products may include:
1. MAX809 series from Maxim Integrated.
2. MCP130 series from Microchip Technology.
3. TPS3808 series from Texas Instruments.
4. ADM809 series from Analog Devices.
5. MIC809 series from Microchip (formerly Micrel).
These alternatives offer similar functionalities, like monitoring supply voltage levels and generating reset signals in various applications. Always check the datasheet for precise compatibility in terms of voltage thresholds and package type.

Features

The CAT809TTBI-GT3 is a voltage supervisory circuit designed to monitor the supply voltage in microprocessor systems. Key features include:
1. Voltage Monitoring: It supervises the power supply voltage and provides a reset signal to the microprocessor when the voltage goes below a specified threshold.
2. Reset Functionality: The device ensures that the system resets in a stable condition by maintaining the reset signal until the voltage level is adequate and stable.
3. Low Power Consumption: Designed for energy efficiency, it has a low quiescent current, making it suitable for battery-powered applications.
4. Precision Thresholds: The device offers precise voltage threshold options to cater to various system requirements.
5. Manual Reset Input: Some versions include a manual reset option for additional control over system resets.
6. Small Package: Offered in a compact SOT-23 package, which is ideal for space-constrained applications.
7. Temperature Range: Operates effectively over a wide temperature range, making it versatile for different environments.
These features make the CAT809TTBI-GT3 a reliable choice for maintaining the stability and reliability of microprocessor-based systems.

Pinout

The CAT809TTBI-GT3 is a 3-pin voltage supervisory device. It is designed to monitor the power supply voltage in digital systems and provide a reset signal to the microprocessor during power-up, power-down, and brownout conditions. The key functions of the CAT809TTBI-GT3 include:
1. Reset Output: Provides a reset signal to the microprocessor when the monitored supply voltage drops below a specified threshold.
2. Threshold Voltage: The device monitors the voltage level and is typically configured to assert a reset when the voltage drops below a pre-set threshold.
3. Manual Reset: Some configurations allow for manual reset functionality, though typically not applicable to this specific 3-pin model.
The three pins of the CAT809TTBI-GT3 are generally:
1. VDD (Power Supply): Connects to the monitored voltage supply.
2. GND (Ground): Connects to the system ground.
3. RESET Output: Provides the active-low reset signal to the microprocessor or other logic devices.
This device is commonly used in applications requiring reliable microprocessor reset control, ensuring system integrity during voltage fluctuations.

Manufacturer

The CAT809TTBI-GT3 is manufactured by ON Semiconductor, a company known for designing and manufacturing a variety of semiconductor components. ON Semiconductor, now known as onsemi, specializes in power and signal management, logic, discrete, and custom devices for a broad range of applications, including automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, military/aerospace, and power supply markets. The company focuses on providing energy-efficient innovations to help manage power in an increasingly connected world.

Application

The CAT809TTBI-GT3 is a voltage supervisor IC designed for monitoring power supply levels in electronic systems. Its primary application areas include microprocessor and microcontroller systems, where it ensures that the system operates within safe voltage levels by initiating resets during under-voltage conditions. This helps prevent data corruption and system malfunction. It's commonly used in consumer electronics, automotive electronics, industrial control systems, and portable battery-powered devices, where reliable power supply monitoring is critical for stable operation.

Package

The CAT809TTBI-GT3 is a supervisory circuit from ON Semiconductor, typically used for microprocessor reset applications. It comes in a SOT-23 package, which is a small, surface-mount technology (SMT) package. This package type is designed for compact and efficient mounting on printed circuit boards.

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