TL1963A-15DCYT

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Overcurrent and overtemperature protection - Adjustable output voltage - Small package size

Package: TO-252, also known as DPAK (Plastic Package)

Essence: The TL1963A-15DCYT is a voltage regulator IC designed to provide a stable and regulated output voltage. It is commonly used in various electronic devices to ensure a consistent power supply.

Packaging/Quantity: The TL1963A-15DCYT is typically sold in reels or tubes containing a specific quantity of ICs, usually 250 or 500 units per reel/tube.

Specifications

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

Detailed Pin Configuration

The TL1963A-15DCYT has three pins:

1. Input (VIN): This pin is connected to the input voltage source.
2. Output (VOUT): This pin provides the regulated output voltage.
3. Ground (GND): This pin is connected to the ground reference.

Functional Features

• Low Dropout Voltage: The TL1963A-15DCYT exhibits 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 1.5A, this voltage regulator can handle a wide range of load requirements.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Overcurrent and Overtemperature Protection: The TL1963A-15DCYT includes built-in protection against overcurrent and overtemperature conditions, ensuring the safety and reliability of the circuit.
• Adjustable Output Voltage: The output voltage can be adjusted using external resistors, allowing flexibility in various applications.
• Small Package Size: The TO-252 package (DPAK) offers a compact form factor, making it suitable for space-constrained designs.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with small input-output differentials. - High output current capability enables the use of power-hungry components. - Built-in protection features enhance the reliability and longevity of the circuit. - Adjustable output voltage provides versatility for different application requirements. - Small package size allows for easy integration into compact designs.

Disadvantages: - Limited output voltage options; only adjustable within a certain range. - Higher quiescent current compared to some other voltage regulators. - Requires additional external components for proper operation.

Working Principles

The TL1963A-15DCYT operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the resistance connected to the adjust pin, the output voltage can be set to the desired level. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable output.

Detailed Application Field Plans

The TL1963A-15DCYT is widely used in various electronic devices and systems that require a regulated power supply. Some common application fields include:

1. Consumer Electronics: Used in smartphones, tablets, portable media players, and other battery-powered devices to regulate the voltage for different components.
2. Automotive: Employed in automotive electronics, such as infotainment systems, navigation units, and engine control modules, to ensure stable power delivery.
3. Industrial Control Systems: Used in industrial automation, robotics, and control systems to provide regulated power for sensors, actuators, and microcontrollers.
4. Telecommunications: Utilized in networking equipment, routers, switches, and communication devices to maintain a consistent voltage level.
5. Medical Devices: Integrated into medical equipment like patient monitors, infusion pumps, and diagnostic devices to deliver reliable power to critical components.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with similar characteristics and pin configuration.
2. LT1083: A high-current linear voltage regulator capable of delivering up to 7.5A output current.
3. LM1117: A low dropout voltage regulator available in various fixed output voltage options.
4. TPS7A47: An ultra-low-noise, high-PSRR linear voltage regulator suitable for sensitive audio and RF applications.
5. L