CAT809STBI

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CAT809STBI

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  • Fabricanteonsemi

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Especificações

Atributo Valor
Brand onsemi
ProductType Supervisory Circuits
Series CAT809
Subcategory PMIC - Power Management ICs
MinimumOperatingTemperature - 40 C
MaximumOperatingTemperature + 85 C
Type Voltage Supervisory
MountingStyle SMD/SMT
Package/Case SOT-23-3
NumberofInputsMonitored 1 Input
OutputType Active Low, Push-Pull
ManualReset No Manual Reset
WatchdogTimers No Watchdog
SupplyVoltage-Max 5.5 V
OperatingSupplyCurrent 15 uA
OvervoltageThreshold 2.96 V
SupplyVoltage-Min 1.2 V
UndervoltageThreshold 2.89 V
UnitWeight 0.050717 oz
Height 1.12 mm
Length 3.04 mm
Width 1.4 mm
ThresholdVoltage 2.93 V
BatteryBackupSwitching No Backup
ResetDelayTime 240 ms
ChipEnableSignals No Chip Enable
Pd-PowerDissipation 320 mW
PowerFailDetection No

Visão Geral

Description

The CAT809STBI is a voltage supervisor designed to monitor system voltages and provide reset signals to microcontrollers and digital circuits. It ensures that the system operates reliably by detecting under-voltage conditions and issuing a reset when the voltage falls below a predetermined threshold.
Key features of the CAT809STBI include a small package size, low quiescent current, and fast response time. Its operational voltage range typically spans from 1.0V to 5.0V, making it suitable for various applications, including consumer electronics, automotive systems, and industrial devices.
The device offers adjustable reset delay times and can be configured for either active-low or active-high reset signals. This flexibility allows designers to integrate the CAT809STBI into different circuit designs seamlessly. Overall, it enhances the reliability of electronic systems by preventing erroneous operation during voltage fluctuations.

Equivalent

The CAT809STBI is a voltage supervisor with a specific reset threshold. Equivalent products include the MCP130 from Microchip, LTC1440 from Analog Devices, and MAX809 from Maxim Integrated. Ensure that the selected equivalent matches key parameters such as reset threshold voltage, output type, and package size for proper functionality in your application.

Features

The CAT809STBI is a voltage supervisor designed for low-voltage monitoring applications. Key features include:
1. Voltage Monitoring: It provides precise voltage monitoring with adjustable threshold settings, ensuring reliability in various circuits.
2. Low Supply Current: The device operates with a low supply current, enhancing energy efficiency.
3. Reset Output: It offers a reset output that activates when the monitored voltage falls below the set threshold, ensuring system stability during power failures.
4. Wide Supply Voltage Range: The operating voltage range is typically from 1.2V to 5.5V, making it suitable for a variety of power supply systems.
5. Temperature Range: It operates over an extended temperature range, ensuring performance in diverse environmental conditions.
6. Small Package: Available in compact packaging, reducing PCB space requirements.
7. Fast Response Time: It features a quick response time to voltage changes, enhancing system reliability.
Overall, the CAT809STBI is ideal for applications in consumer electronics, automotive systems, and industrial equipment.

Pinout

The CAT809STBI is a voltage supervisor with a pin count of 5. Its primary function is to monitor voltage levels and provide a reset signal to microcontrollers or other devices when the supply voltage falls below a specified threshold.
The pinout includes:
1. VDD (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. RESET (Pin 3): Active low reset output; asserts when voltage is below the threshold.
4. SENSE (Pin 4): Voltage sensing input, connected to the monitored supply.
5. N/C (Pin 5): Not connected; can be left floating.
The CAT809STBI is available with various reset thresholds, making it suitable for different applications requiring voltage supervision and system reset capabilities.

Manufacturer

The manufacturer of the CAT809STBI is ON Semiconductor. ON Semiconductor is a global semiconductor company that specializes in designing and manufacturing a wide range of semiconductor components, including power management solutions, analog devices, sensors, and communication devices. Founded in 1999 and headquartered in Phoenix, Arizona, ON Semiconductor serves various industries such as automotive, industrial, consumer electronics, and telecommunications. The company focuses on energy-efficient solutions and is known for its commitment to sustainability and innovation in semiconductor technology. The CAT809STBI itself is a voltage supervisor designed for monitoring power supply levels, ensuring system reliability, and providing reset functionality in electronic circuits.

Application

The CAT809STBI is a voltage supervisor used primarily in power management applications. Its main areas of application include:
1. Microprocessor and Microcontroller Reset Circuits: Ensures proper reset conditions when voltage levels fall below a specified threshold.
2. Voltage Monitoring: Monitors power supply voltages in systems to prevent malfunction due to under-voltage conditions.
3. Battery-Powered Devices: Protects against battery depletion by signaling when voltage drops to critical levels.
4. Consumer Electronics: Used in devices like smartphones and tablets for reliable power management.
5. Industrial Equipment: Ensures operational reliability by monitoring and managing power supply stability.
Overall, it enhances system reliability and performance.

Package

The CAT809STBI is packaged in a SOT-23 surface-mount package.

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