TPS3307-33D

Product Overview

Category

The TPS3307-33D belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic systems.

Characteristics

• Voltage supervision: The TPS3307-33D ensures that the voltage remains within a specified range.
• Reset generation: It generates a reset signal when the voltage falls below a certain threshold.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.

Package

The TPS3307-33D comes in a small surface-mount package.

Essence

The essence of the TPS3307-33D lies in its ability to monitor and regulate voltage levels, ensuring the proper functioning of electronic systems.

Packaging/Quantity

The TPS3307-33D is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply voltage range: 2.5V to 6.5V
• Threshold voltage: 3.3V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 10µA (typical)

Pin Configuration

The TPS3307-33D has the following pin configuration:

1. GND (Ground)
2. VCC (Supply voltage)
3. MR (Manual reset)
4. RESET (Reset output)
5. VIT (Voltage input)

Functional Features

• Undervoltage detection: Monitors the voltage input and triggers a reset signal if it falls below the threshold voltage.
• Manual reset: Allows for manual triggering of the reset signal through the MR pin.
• Power-on reset delay: Provides a delay before generating the reset signal upon power-up to allow for stable voltage levels.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and regulation
• Low power consumption
• Small package size
• Manual reset capability

Disadvantages

• Limited threshold voltage options (only 3.3V in this model)
• Not suitable for high-voltage applications

Working Principles

The TPS3307-33D operates by continuously monitoring the voltage input. If the voltage falls below the threshold voltage, it generates a reset signal to ensure proper system operation. The device also includes a manual reset feature, allowing for additional control over the reset signal.

Detailed Application Field Plans

The TPS3307-33D finds application in various electronic systems where voltage monitoring and regulation are critical. Some specific application fields include:

1. Power supply units: Ensures stable voltage output and protects against undervoltage conditions.
2. Microcontrollers: Provides reliable reset signals during power-up or voltage fluctuations.
3. Battery-powered devices: Optimizes power consumption and prevents damage due to low voltage levels.

Detailed and Complete Alternative Models

1. TPS3307-25D: Similar to TPS3307-33D but with a threshold voltage of 2.5V.
2. TPS3307-50D: Similar to TPS3307-33D but with a threshold voltage of 5.0V.
3. TPS3307-12D: Similar to TPS3307-33D but with a threshold voltage of 1.2V.

These alternative models provide different threshold voltage options to suit specific voltage requirements in various applications.

In conclusion, the TPS3307-33D is a voltage supervisor that ensures stable voltage levels in electronic systems. With its low power consumption, small package size, and reliable functionality, it finds application in diverse fields such as power supply units, microcontrollers, and battery-powered devices. While it has limited threshold voltage options, alternative models are available to cater to different voltage requirements.