TC1264-3.0VAB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The TC1264-3.0VAB is a voltage regulator IC that provides a stable output voltage of 3.0V with low dropout voltage and high output current capability.

Packaging/Quantity: The TC1264-3.0VAB is available in a SOT-23-5 package, which contains one IC per package.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.0V ±2%
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Output Current: Up to 500mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC1264-3.0VAB has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The TC1264-3.0VAB has a low dropout voltage of only 200mV, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a quiescent current of only 50µA, the TC1264-3.0VAB minimizes power consumption when in standby or idle mode.
• High Output Current: The IC can provide a maximum output current of up to 500mA, making it suitable for powering various electronic devices.
• Thermal Shutdown Protection: The TC1264-3.0VAB incorporates thermal shutdown protection, which prevents the IC from overheating and ensures its safe operation.
• Short Circuit Protection: In case of a short circuit at the output, the IC automatically shuts down to protect itself and the connected circuitry.

Advantages and Disadvantages

Advantages: - Stable output voltage - Low dropout voltage - High output current capability - Thermal and short circuit protection

Disadvantages: - Limited input voltage range (2.5V to 6.0V) - SOT-23-5 package may require surface mount soldering skills

Working Principles

The TC1264-3.0VAB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage of 3.0V. The dropout voltage is minimized by using a low resistance pass transistor.

Detailed Application Field Plans

The TC1264-3.0VAB is commonly used in various applications where a stable 3.0V power supply is required. Some typical application fields include: - Battery-powered devices - Portable electronics - Embedded systems - IoT devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TC1264-3.0VAB are: - LM1117-3.3V: A popular 3.3V voltage regulator IC with low dropout voltage and high output current capability. - MCP1703-3.0V: Another 3.0V voltage regulator IC known for its low quiescent current and thermal shutdown protection. - LT1763-3.0: A high-performance 3.0V voltage regulator IC with low dropout voltage and adjustable output voltage.

These alternative models can be considered based on specific requirements and availability in the market.

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