TPS3705-33DG4

Product Overview

Category

The TPS3705-33DG4 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 temperature range
• Adjustable delay time
• Small package size

Package

The TPS3705-33DG4 comes in a small SOT-23 package.

Essence

The essence of the TPS3705-33DG4 is its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

The TPS3705-33DG4 is typically packaged in reels, with each reel containing a specific quantity of devices.

Specifications

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

Detailed Pin Configuration

The TPS3705-33DG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. RESET (Output)

Functional Features

• Accurate voltage monitoring
• Open-drain reset output
• Adjustable delay time
• Low power consumption
• Wide supply voltage range

Advantages and Disadvantages

Advantages

• Provides reliable voltage monitoring
• Flexible delay time options
• Suitable for a wide range of applications
• Low power consumption helps conserve energy

Disadvantages

• Limited to a specific voltage threshold (3.3V)
• May require additional components for more complex applications

Working Principles

The TPS3705-33DG4 operates by continuously monitoring the input voltage. When the voltage falls below the threshold (3.3V), the reset output is activated, indicating a power failure or an out-of-range condition. The delay time can be adjusted to allow for proper system response.

Detailed Application Field Plans

The TPS3705-33DG4 finds applications in various fields, including:

1. Power supply monitoring in industrial control systems
2. Battery-powered devices
3. Automotive electronics
4. Home automation systems
5. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS3705-33DG4 include:

1. MAX823: Voltage supervisor with adjustable threshold and delay options.
2. LTC2917: Precision voltage monitor with programmable delay and hysteresis.
3. ADM6316: Microprocessor supervisory circuit with fixed threshold and adjustable delay.

These alternative models provide options for different voltage thresholds, delay times, and additional features based on specific application requirements.

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