TL1963A-18DCQT

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent and short-circuit protection

Package: DCQT (TO-252-5)

Essence: The TL1963A-18DCQT is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate the voltage supplied to sensitive components.

Packaging/Quantity: The TL1963A-18DCQT is available in a TO-252-5 package, also known as DCQT. Each package contains one voltage regulator IC.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.8V
• Dropout Voltage: 300mV at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TL1963A-18DCQT has five pins arranged as follows:

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| | | OUT | |___________| | | | GND | |___________| | | | ADJ | |___________| | | | VIN | |___________| | | | ENABLE | |___________| ```

Pin Description: - OUT: Output voltage pin - GND: Ground pin - ADJ: Adjustable pin for setting the output voltage - VIN: Input voltage pin - ENABLE: Enable pin for controlling the regulator's operation

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High output current capability allows it to power a wide range of electronic components.
• Adjustable output voltage provides flexibility in various applications.
• Thermal shutdown protection prevents overheating and damage to the IC.
• Overcurrent and short-circuit protection safeguards the connected circuitry.

Advantages and Disadvantages

Advantages: - Stable output voltage regulation - Wide input voltage range - High output current capability - Adjustable output voltage - Built-in protection features

Disadvantages: - Dropout voltage may limit its use in low-power applications - Limited output voltage options (fixed at 1.8V)

Working Principles

The TL1963A-18DCQT is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage obtained from the adjustable pin (ADJ) to control the pass transistor's conduction. By adjusting the feedback voltage, the output voltage can be set to the desired value.

Detailed Application Field Plans

The TL1963A-18DCQT is widely used in various electronic devices and applications, including: - Power supplies for microcontrollers and digital circuits - Battery-powered devices requiring stable voltage supply - Automotive electronics - Industrial control systems - Audio amplifiers - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to TL1963A-18DCQT include: - LM1117-1.8 - LT1086-1.8 - ADP3339-1.8 - TPS7A1801-18

These models offer similar voltage regulation capabilities and can be used as alternatives depending on specific requirements and availability.

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