TC1262-2.8VAB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Low Quiescent Current - High Output Voltage Accuracy - Thermal Shutdown Protection

Package: SOT-23-5

Essence: The TC1262-2.8VAB is a voltage regulator IC that provides a fixed output voltage of 2.8V with low dropout voltage and high accuracy.

Packaging/Quantity: The TC1262-2.8VAB is available in a SOT-23-5 package, which contains one IC per package.

Specifications

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage: 2.8V ±2%
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Maximum Output Current: 500mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC1262-2.8VAB has five pins arranged as follows:

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1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. BYP: Bypass Capacitor Pin
5. VOUT: Output Voltage

Functional Features

• Low dropout voltage allows the TC1262-2.8VAB to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current ensures minimal power consumption when the load is light or idle.
• High output voltage accuracy provides a stable and precise 2.8V output.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient regulation. - Low quiescent current minimizes power consumption. - High output voltage accuracy ensures stability. - Thermal shutdown protection enhances reliability.

Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications. - SOT-23-5 package may require additional space on the PCB.

Working Principles

The TC1262-2.8VAB utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. When the input voltage is within the specified range, the IC maintains a constant 2.8V output by adjusting the pass transistor's resistance. The low dropout voltage allows the IC to operate efficiently even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The TC1262-2.8VAB is commonly used in various electronic devices that require a stable 2.8V power supply. Some typical application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of the TC1262-2.8VAB, extending battery life.

2. Sensor Networks: The IC's high output voltage accuracy makes it suitable for powering sensors in IoT (Internet of Things) applications, ensuring precise measurements.

3. Industrial Control Systems: The thermal shutdown protection feature enhances the reliability of the TC1262-2.8VAB in industrial environments where temperature variations can occur.

Detailed and Complete Alternative Models

1. LM1117-2.8: This voltage regulator IC offers similar specifications and features to the TC1262-2.8VAB, including a fixed 2.8V output voltage and low dropout voltage.

2. MCP1702-2.8: Another alternative with comparable characteristics, the MCP1702-2.8 provides a fixed 2.8V output voltage and low quiescent current.

3. LT1761-2.8: This IC is suitable for applications requiring a stable 2.8V output voltage, featuring low dropout voltage and thermal shutdown protection.

4. NCP1117-2.8: With a fixed 2.8V output voltage and low dropout voltage, the NCP1117-2.8 is a reliable alternative to the TC1262-2.8VAB.

5. TS2950-2.8: This voltage regulator IC offers a fixed 2.8V output voltage, low dropout voltage, and low quiescent current, making it a suitable alternative for various applications.

In conclusion, the TC1262-2.8VAB is an integrated circuit voltage regulator that provides a stable 2.8V output voltage with low dropout voltage and high accuracy. Its low quiescent current and thermal shutdown protection make it suitable for battery-powered devices, sensor networks, and industrial control