TPS3705-33DRG4

Product Overview

Category

The TPS3705-33DRG4 belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage threshold: 3.3V
• Low quiescent current consumption
• Wide operating voltage range
• Adjustable delay time
• Small package size

Package

The TPS3705-33DRG4 comes in a small outline package (SOT-23) which is suitable for surface mount applications.

Essence

The essence of TPS3705-33DRG4 lies in its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

The TPS3705-33DRG4 is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 2.5V to 18V
• Threshold voltage accuracy: ±1.5%
• Quiescent current: 10µA (typical)
• Operating temperature range: -40°C to +85°C
• Delay time options: 20ms, 50ms, 100ms, or 200ms

Detailed Pin Configuration

The TPS3705-33DRG4 has three pins:

1. VDD: This pin is connected to the supply voltage.
2. GND: This pin is connected to the ground.
3. OUT: This pin provides the monitored voltage status output.

Functional Features

• Accurate voltage monitoring: The TPS3705-33DRG4 ensures that the monitored voltage remains within the desired range.
• Adjustable delay time: The device allows users to set the delay time before triggering an output response.
• Low power consumption: The low quiescent current ensures minimal power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: The TPS3705-33DRG4 can operate within a wide range of supply voltages, providing flexibility in various applications.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring helps prevent system failures.
• Adjustable delay time allows customization based on specific requirements.
• Low power consumption prolongs battery life.
• Wide operating voltage range enhances versatility.

Disadvantages

• Limited to voltage monitoring and supervision functionality.
• May require additional components for more complex applications.

Working Principles

The TPS3705-33DRG4 works by comparing the monitored voltage with a preset threshold. If the voltage falls below the threshold, the device triggers an output response, indicating a fault condition. The delay time can be adjusted to allow for temporary voltage fluctuations without triggering false alarms.

Detailed Application Field Plans

The TPS3705-33DRG4 finds applications in various fields, including:

1. Power supply systems: It ensures stable voltage levels in power supplies, preventing damage to sensitive components.
2. Industrial automation: It monitors voltage levels in control systems, ensuring reliable operation and preventing downtime.
3. Automotive electronics: It supervises voltage levels in automotive systems, enhancing safety and performance.
4. Consumer electronics: It provides voltage monitoring in devices such as smartphones, tablets, and laptops, preventing unexpected shutdowns.

Detailed and Complete Alternative Models

1. TPS3705-30DRG4: Similar to TPS3705-33DRG4 but with a 3.0V threshold voltage.
2. TPS3705-50DRG4: Similar to TPS3705-33DRG4 but with a 5.0V threshold voltage.
3. TPS3705-18DRG4: Similar to TPS3705-33DRG4 but with an 18V threshold voltage.

These alternative models offer different threshold voltage options to suit specific application requirements.

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