TLV809K33DBZR

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TLV809K33DBZR

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IC SUPERVISOR 1 CHANNEL SOT23-3

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  • Gói SOT-23 (DBZ)-3

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Simple Reset/Power-On Reset
NumberofVoltagesMonitored 1
Voltage-Threshold 2.93V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 120ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Tổng quan

Description

The TLV809K33DBZR is a voltage supervisory device manufactured by Texas Instruments. It is designed to monitor the supply voltage in electronic systems and provide a reset signal when the voltage falls below a specified threshold. Key features include a fixed threshold voltage of 3.3V, making it suitable for monitoring 3.3V power rails. The device offers a precise reset threshold with minimal variation over temperature and supply voltage, enhancing reliability in sensitive applications.
Housed in a compact SOT-23 package, the TLV809K33DBZR is ideal for space-constrained applications. It has a low power consumption, typically featuring a supply current in the microamp range, which is essential for battery-operated devices. The active-low reset output becomes active when the monitored voltage dips below the threshold, and it remains active for a specified delay after the voltage recovers, ensuring systems have time to stabilize.
Overall, the TLV809K33DBZR is utilized in various applications, such as computers, embedded systems, and other electronics requiring reliable voltage monitoring and reset functionality.

Equivalent

The TLV809K33DBZR is a voltage supervisor or reset IC. Equivalent products might include:
1. TPS3808G33 – Texas Instruments' own variant with similar functionality.
2. MCP130T-315I/TT – From Microchip, a comparable supervisory circuit.
3. ADM6315-33D3ARTZ – Analog Devices' equivalent with similar voltage monitoring features.
These are used to monitor voltage levels in microcontrollers and ensure proper operation by resetting the system when necessary. Always confirm specifications to ensure compatibility.

Features

The TLV809K33DBZR is a voltage supervisor IC designed by Texas Instruments. It offers several key features:
1. Precision Monitoring: It monitors a 3.3V voltage rail with high accuracy, ensuring reliable operation within specified voltage limits.
2. Reset Functionality: The device provides a manual reset input and an active-low reset output, essential for initiating a system reset when voltage drops below a preset threshold.
3. Delay Time: It includes an internal fixed delay time of typically 200 ms, ensuring stable reset conditions before releasing the output.
4. Low Supply Current: With a low quiescent current, it is power-efficient, suitable for battery-operated applications.
5. Small Package: The IC comes in a compact SOT-23 package, optimizing board space in design-constrained environments.
6. Temperature Range: It operates effectively over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.
These features make the TLV809K33DBZR ideal for applications requiring precise voltage monitoring and reset control, such as microcontroller and processor-based systems.

Pinout

The TLV809K33DBZR is a voltage supervisor IC manufactured by Texas Instruments. It is designed to monitor the supply voltage in a system and assert a reset signal whenever the monitored voltage falls below a specified threshold. The device is commonly used to ensure that microcontrollers and other digital logic circuits operate correctly by providing a controlled restart after power-up or a voltage drop.
The TLV809K33DBZR is housed in a SOT-23 package which has a pin count of 3. The functions of the pins are as follows:
1. VDD (Supply Voltage Input): This pin is connected to the supply voltage that needs to be monitored.
2. GND (Ground): This is the common ground pin for the device.
3. RESET (Reset Output): This is an active-low output pin. When the monitored voltage falls below the threshold level, the RESET output is asserted low. It remains low for a specified amount of time after the voltage returns above the threshold.
This 3-pin configuration makes the TLV809K33DBZR suitable for applications requiring simple and reliable voltage monitoring and reset functionalities.

Manufacturer

The TLV809K33DBZR is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is a global semiconductor company headquartered in Dallas, Texas. It is known for designing and manufacturing a wide range of semiconductor products, including integrated circuits, analog chips, digital signal processors, and microcontrollers. TI serves a variety of industries including automotive, industrial, personal electronics, and communications. The company is renowned for its innovation and contributions to the electronics industry, providing components that are critical in the development of modern electronic devices and systems.

Application

The TLV809K33DBZR is a voltage supervisor or reset IC, primarily used in applications requiring system reset control for microcontrollers, DSPs, and microprocessors. Key application areas include:
1. Power Supply Monitoring: Ensures the correct startup and operation of digital systems by monitoring voltage levels.
2. Microcontroller and Processor Systems: Provides a reset signal during power-up, power-down, and brownout conditions to prevent system malfunctions.
3. Embedded Systems: Used in embedded applications to maintain system stability and reliability.
4. Consumer Electronics: Offers protection for devices like TVs, set-top boxes, and gaming consoles.
5. Industrial Automation: Ensures reliable operation in PLCs and other industrial equipment.
6. Communication Equipment: Maintains system reliability in routers, switches, and modems.

Package

The TLV809K33DBZR is a voltage supervisor with a DBZ package type, which refers to the SOT-23-3 (Small Outline Transistor) package. This compact package typically has three pins and is designed for surface-mount technology, making it suitable for applications with limited space.

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