TC1173-3.3VOA

Product Overview

Category

TC1173-3.3VOA belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Voltage Output: 3.3V
• Package Type: VOA (Voltage Output Adjustable)
• Essence: Linear voltage regulator
• Packaging/Quantity: Available in various package options, such as TO-92, SOT-23, etc.

Specifications

The TC1173-3.3VOA voltage regulator has the following specifications:

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 3.3V ±2%
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 250mA
• Quiescent Current: 50µA (typical)
• Line Regulation: 0.1% (typical)
• Load Regulation: 0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1173-3.3VOA voltage regulator has three pins:

1. VIN (Pin 1): Input voltage pin.
2. VOUT (Pin 2): Output voltage pin.
3. GND (Pin 3): Ground pin.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Excellent line and load regulation characteristics provide stable output voltage.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the regulator and connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Compact package options enable easy integration into space-constrained designs.
• Low quiescent current makes it suitable for battery-powered applications.
• Excellent line and load regulation ensure stable voltage output.

Disadvantages

• Limited maximum output current may not be sufficient for high-power applications.
• Dropout voltage of 200mV may cause a significant power loss in low input voltage scenarios.

Working Principles

The TC1173-3.3VOA is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The TC1173-3.3VOA voltage regulator finds applications in various electronic devices, including but not limited to:

1. Battery-powered portable devices: Provides stable voltage supply for microcontrollers, sensors, and other low-power components.
2. Communication systems: Ensures regulated voltage for RF modules, transceivers, and signal processing circuits.
3. Industrial control systems: Used in automation equipment, motor control circuits, and sensor interfaces.
4. Automotive electronics: Provides regulated voltage for automotive sensors, infotainment systems, and lighting modules.

Detailed and Complete Alternative Models

Some alternative models to TC1173-3.3VOA voltage regulator are:

1. LM1117-3.3: Similar specifications and pin configuration, available in different package options.
2. MCP1703-3.3: Low dropout voltage regulator with comparable characteristics.
3. AMS1117-3.3: Cost-effective alternative with similar performance.

These alternatives can be considered based on specific requirements and availability.

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