LT1959CR#PBF

Product Overview

Category

LT1959CR#PBF belongs to the category of integrated circuits (ICs).

Use

The LT1959CR#PBF is commonly used as a voltage regulator in various electronic devices.

Characteristics

• Voltage regulation: The LT1959CR#PBF provides stable and regulated output voltage.
• Efficiency: It offers high efficiency, minimizing power loss.
• Low dropout voltage: The device operates with low dropout voltage, ensuring reliable performance even when the input voltage is close to the output voltage.
• Current limit protection: The LT1959CR#PBF incorporates current limit protection, safeguarding the connected circuitry.
• Thermal shutdown: It includes thermal shutdown protection, preventing overheating and potential damage.

Package

The LT1959CR#PBF is available in a compact and industry-standard TO-263 package.

Essence

The essence of LT1959CR#PBF lies in its ability to provide stable and regulated voltage output, making it an essential component in electronic devices requiring precise power supply.

Packaging/Quantity

The LT1959CR#PBF is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.21V to 14V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV at 1A Load
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1959CR#PBF has the following pin configuration:

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

Functional Features

• Voltage Regulation: The LT1959CR#PBF maintains a stable output voltage regardless of input voltage fluctuations.
• Current Limit Protection: It incorporates current limit protection, preventing excessive current flow and protecting the connected circuitry.
• Thermal Shutdown: The device includes thermal shutdown protection, shutting down operation in case of excessive temperature to prevent damage.

Advantages and Disadvantages

Advantages

• High efficiency, minimizing power loss
• Low dropout voltage for reliable performance
• Compact package size
• Current limit and thermal shutdown protection

Disadvantages

• Limited maximum output current (1.5A)

Working Principles

The LT1959CR#PBF operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the pass transistor to maintain a constant output voltage. By regulating the voltage, it ensures a stable power supply to the connected circuitry.

Detailed Application Field Plans

The LT1959CR#PBF finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LT1959CR#PBF are: - LM317T - LM1117-3.3 - LT1086CT-3.3 - LM7805

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

In conclusion, the LT1959CR#PBF is an integrated circuit voltage regulator known for its stability, efficiency, and protection features. With its compact package and wide range of applications, it serves as a reliable power supply solution in various electronic devices.

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