LT1963EFE-2.5#PBF

Product Overview

Category

The LT1963EFE-2.5#PBF belongs to the category of voltage regulators.

Use

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

Characteristics

• Low dropout voltage: The LT1963EFE-2.5#PBF has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• High current capability: This voltage regulator can handle high currents, making it suitable for applications that require significant power delivery.
• Low noise: The LT1963EFE-2.5#PBF produces minimal electrical noise, ensuring clean and stable output voltage.
• Thermal shutdown protection: It includes built-in thermal shutdown protection, which prevents the device from overheating and getting damaged.

Package

The LT1963EFE-2.5#PBF comes in a small surface-mount package, making it suitable for compact circuit designs.

Essence

The essence of the LT1963EFE-2.5#PBF is its ability to provide a regulated and stable output voltage, regardless of variations in the input voltage or load conditions.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.8V to 20V
• Output Voltage: 2.5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV at 1.5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 1.7mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1963EFE-2.5#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: The LT1963EFE-2.5#PBF maintains a constant output voltage of 2.5V, regardless of variations in the input voltage or load conditions.
• Current Limiting: It includes current limiting functionality to protect the device and the connected circuitry from excessive currents.
• Thermal Shutdown: The built-in thermal shutdown feature prevents the device from overheating by shutting it down when the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• High current capability allows for power-hungry applications.
• Low dropout voltage ensures efficient operation even with small input-output voltage differentials.
• Low noise output provides clean and stable voltage for sensitive electronic components.
• Thermal shutdown protection prevents damage due to overheating.

Disadvantages

• Limited to a fixed output voltage of 2.5V, which may not be suitable for all applications requiring variable voltages.
• Requires external capacitors for stability, adding additional components to the circuit.

Working Principles

The LT1963EFE-2.5#PBF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage to a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The device operates by dissipating excess voltage as heat, resulting in a regulated output voltage.

Detailed Application Field Plans

The LT1963EFE-2.5#PBF finds applications in various fields, including: - Power supply circuits for microcontrollers and other digital ICs - Battery-powered devices requiring stable voltage levels - Audio amplifiers and signal processing circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LT1963EFE-2.5#PBF include: - LM1117-2.5: A popular fixed 2.5V voltage regulator with similar characteristics. - LT1086CT-2.5: Another 2.5V linear voltage regulator with higher current capability. - ADP3339AKCZ-2.5: A low dropout voltage regulator with a fixed 2.5V output.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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