TC1262-2.5VAB

Product Overview

Category

The TC1262-2.5VAB belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage: 2.5V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 300mV at 100mA
• Low Quiescent Current: 30µA (typical)
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23 Package

Package and Quantity

The TC1262-2.5VAB comes in a small outline transistor (SOT-23) package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 6.0V
• Output Voltage: 2.5V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 30µA (typical), 50µA (maximum)
• Line Regulation: 0.04%/V
• Load Regulation: 0.2%/mA
• Ripple Rejection: 60dB (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Pin Configuration

The TC1262-2.5VAB has three pins:

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

Functional Features

• Low Dropout Voltage: The TC1262-2.5VAB exhibits a low dropout voltage of 300mV at 100mA, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, which prevents damage due to excessive temperature.
• Short Circuit Current Limiting: The TC1262-2.5VAB incorporates short circuit current limiting, safeguarding the device and the connected circuitry from potential damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• Thermal shutdown protection ensures device safety.
• Short circuit current limiting protects against potential damage.

Disadvantages

• Limited output voltage options (fixed at 2.5V).
• Relatively low maximum output current compared to some other voltage regulators.

Working Principles

The TC1262-2.5VAB is a linear voltage regulator that operates by maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this through the use of a pass transistor that adjusts its resistance to regulate the output voltage. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The TC1262-2.5VAB finds application in various electronic systems where stable and regulated voltage is required. Some common application fields include:

1. Battery-powered devices: The voltage regulator ensures a stable power supply to sensitive components in portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: The device can be used in automotive applications to regulate voltage for sensors, actuators, and other electronic components.
3. Industrial control systems: The TC1262-2.5VAB is suitable for use in industrial control systems, providing reliable voltage regulation for microcontrollers, sensors, and other critical components.
4. IoT devices: Internet of Things (IoT) devices often require regulated voltage for efficient operation. This voltage regulator can be used in various IoT applications such as smart home devices, environmental sensors, and wearable health monitors.

Detailed and Complete Alternative Models

1. LM1117-2.5: A popular alternative to the TC1262-2.5VAB, offering similar specifications and performance characteristics.
2. MCP1702-2.5: Another alternative with comparable features, widely used in various electronic applications.
3. LT1763-2.5: A high-performance alternative with low dropout voltage and excellent line/load regulation.

These alternative models provide similar functionality and can be considered based on specific application requirements.

Word count: 550 words