LT1963AET-1.5#PBF

Product Overview

Category

The LT1963AET-1.5#PBF belongs to the category of voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Low dropout voltage
• High output current capability
• Fast transient response
• Low quiescent current
• Thermal shutdown protection

Package

The LT1963AET-1.5#PBF comes in a TO-220 package, which provides excellent thermal performance.

Essence

This voltage regulator is designed to provide a stable output voltage even when the input voltage varies.

Packaging/Quantity

The LT1963AET-1.5#PBF is typically packaged in reels or tubes and is available in various quantities depending on the supplier.

Specifications

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

Detailed Pin Configuration

The LT1963AET-1.5#PBF 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 ensures efficient regulation even with small input-output differentials.
• High output current capability allows it to power a wide range of electronic devices.
• Fast transient response enables quick adjustment to load variations.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents the regulator from overheating.

Advantages and Disadvantages

Advantages

• Stable output voltage even with varying input voltage.
• Wide input voltage range allows for versatile applications.
• High output current capability suits power-hungry devices.
• Efficient thermal performance due to the TO-220 package.

Disadvantages

• Relatively high quiescent current compared to some other voltage regulators.
• Limited output voltage options (fixed at 1.5V).

Working Principles

The LT1963AET-1.5#PBF operates based on a linear voltage regulation principle. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant despite changes in the input voltage or load conditions.

Detailed Application Field Plans

The LT1963AET-1.5#PBF finds applications in various fields, including:

1. Power supply modules for microcontrollers and digital circuits.
2. Battery-powered devices requiring stable voltage levels.
3. Automotive electronics, such as infotainment systems and engine control units.
4. Industrial automation systems and control circuits.
5. Audio amplifiers and signal processing circuits.

Detailed and Complete Alternative Models

Some alternative models to the LT1963AET-1.5#PBF include:

1. LM1117-1.5: A popular fixed-output voltage regulator with similar characteristics.
2. LT1086CT-1.5: Adjustable output voltage regulator with higher output current capability.
3. LM317T: Versatile adjustable voltage regulator suitable for a wide range of applications.
4. LDO50V: Low dropout voltage regulator designed for high-voltage applications.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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