TLV803ZDBZR

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisor
• Characteristics: Low Power, Reset Output, Adjustable Threshold, Manual Reset Input
• Package: SOT-23-3
• Essence: Monolithic Voltage Supervisor Circuit
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 4.63V
• Reset Timeout Period: Fixed or Adjustable (1.6ms, 10ms, 20ms, 40ms, 200ms, 400ms, 800ms, 1600ms)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLV803ZDBZR has three pins:

1. GND: Ground pin
2. RESET: Reset output pin
3. MR: Manual reset input pin

Functional Features

• Monitors the supply voltage and asserts the reset output when it falls below the threshold voltage.
• Provides a manual reset input for external system reset control.
• Offers adjustable threshold voltage options to suit different applications.
• Allows selection of fixed or adjustable reset timeout period.

Advantages and Disadvantages

Advantages

• Low power consumption.
• Small package size allows for space-efficient designs.
• Wide operating temperature range enables usage in various environments.
• Adjustable threshold and reset timeout provide flexibility for different applications.

Disadvantages

• Limited number of threshold voltage options.
• Lack of additional features compared to more advanced voltage supervisors.

Working Principles

The TLV803ZDBZR is designed to monitor the supply voltage of a system. It compares the voltage with a preset threshold and asserts the reset output when the voltage falls below this threshold. The manual reset input allows for external control over the reset function. The adjustable threshold voltage and reset timeout period provide customization options for different applications.

Detailed Application Field Plans

The TLV803ZDBZR is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some typical application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing erratic behavior during power-up.
2. Industrial Control Systems: Providing fault detection and system reset capabilities in critical industrial environments.
3. Automotive Electronics: Monitoring battery voltage and initiating system reset if necessary.
4. Medical Devices: Ensuring safe operation by monitoring power supply integrity and initiating system reset in case of voltage fluctuations.

Detailed and Complete Alternative Models

• TLV803MDBZR: Same features as TLV803ZDBZR, but available in SOT-23-5 package.
• TLV803SDRVR: Similar features as TLV803ZDBZR, but available in WSON-6 package.
• TLV803SDBZR: Same features as TLV803ZDBZR, but available in SOT-23-5 package with adjustable reset timeout.

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