TC1301A-ADAVUA

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low dropout voltage regulator - High output current capability - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: ADAVUA (Surface Mount Package)

Essence: The TC1301A-ADAVUA is a power management IC designed to regulate voltage in electronic devices. It provides a stable output voltage even when the input voltage varies.

Packaging/Quantity: The TC1301A-ADAVUA is available in a surface mount package and is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 0.8V - 5.0V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1301A-ADAVUA has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Low Dropout Voltage: The TC1301A-ADAVUA has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, this IC can power a wide range of electronic devices.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 6.0V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 5.0V, providing flexibility in different circuit designs.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Overcurrent Protection: It also features overcurrent protection, safeguarding the IC and the connected devices from excessive current.

Advantages and Disadvantages

Advantages: - Stable output voltage regulation - Wide input voltage range - Adjustable output voltage - Thermal and overcurrent protection

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The TC1301A-ADAVUA is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. When the input voltage (VIN) is higher than the desired output voltage (VOUT), the pass transistor reduces its resistance to drop the excess voltage across it. Conversely, when the input voltage drops below the desired output voltage, the pass transistor increases its resistance to compensate for the voltage difference.

Detailed Application Field Plans

The TC1301A-ADAVUA is commonly used in various electronic devices that require stable voltage regulation, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TC1301A-ADAVUA include: - LM1117-ADJ - LT1763-ADJ - MCP1700-ADJ - TPS79601-ADJ

These alternatives have comparable specifications and can be used as drop-in replacements for the TC1301A-ADAVUA in many applications.

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