TC1269-3.0VUA

Product Overview

Category

The TC1269-3.0VUA belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.0V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 100mA
• Low Quiescent Current: 85µA (typical)
• Thermal Shutdown Protection
• Short-Circuit Current Limiting
• Reverse Battery Protection
• Small Package Size: SOT-23-5

Package

The TC1269-3.0VUA is available in a small SOT-23-5 package.

Essence

The essence of TC1269-3.0VUA lies in its ability to regulate voltage efficiently and reliably in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.0V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 85µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The TC1269-3.0VUA has five pins arranged as follows:

1. GND (Ground)
2. EN (Enable)
3. FB (Feedback)
4. VIN (Input Voltage)
5. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The TC1269-3.0VUA provides a stable output voltage of 3.0V, regardless of input voltage fluctuations.
• Low Quiescent Current: With a typical quiescent current of only 85µA, the regulator minimizes power consumption when not in use.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short-Circuit Current Limiting: It features short-circuit current limiting to protect the circuit from excessive current flow during faults.
• Reverse Battery Protection: The TC1269-3.0VUA safeguards against reverse polarity connection, preventing potential damage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low quiescent current reduces power consumption.
• Thermal shutdown protection ensures safe operation.
• Small package size enables space-saving designs.
• Reverse battery protection prevents accidental damage.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Dropout voltage of 300mV at 100mA may affect efficiency in low-voltage scenarios.

Working Principles

The TC1269-3.0VUA operates based on a linear voltage regulation principle. It compares the feedback voltage (FB) with a reference voltage to generate an error signal. This error signal is then used to adjust the pass transistor, maintaining a constant output voltage (VOUT) despite variations in the input voltage (VIN).

Detailed Application Field Plans

The TC1269-3.0VUA finds application in various electronic systems, including but not limited to: 1. Battery-powered devices requiring stable voltage supply. 2. Portable consumer electronics such as smartphones, tablets, and digital cameras. 3. Industrial control systems and automation equipment. 4. Automotive electronics, providing regulated power to sensors and modules. 5. IoT devices and wearable technology.

Detailed and Complete Alternative Models

1. LM1117-3.0: A popular alternative with similar specifications and package type.
2. MCP1703-300: Another voltage regulator offering comparable features and performance.
3. LT1763-3.0: A high-performance alternative with low dropout voltage and adjustable output.

These alternative models provide similar functionality and can be considered as substitutes for the TC1269-3.0VUA in various applications.

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