LT1965EDD-1.5#PBF

Product Overview

Category

The LT1965EDD-1.5#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 LT1965EDD-1.5#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 LT1965EDD-1.5#PBF is designed to minimize output voltage fluctuations, resulting in a clean and stable power supply.
• Thermal shutdown protection: It incorporates thermal shutdown circuitry to prevent damage due to excessive heat.

Package

The LT1965EDD-1.5#PBF comes in a small surface-mount package, which makes it suitable for compact electronic devices.

Essence

The essence of the LT1965EDD-1.5#PBF lies in its ability to provide a regulated and stable output voltage, ensuring reliable operation of electronic circuits.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.3V to 20V
• Output Voltage: 1.5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 340mV at 1.5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 40μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1965EDD-1.5#PBF has the following pin configuration:

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

Functional Features

• Voltage Regulation: The LT1965EDD-1.5#PBF maintains a constant output voltage of 1.5V, regardless of changes in input voltage or load conditions.
• Short Circuit Protection: It incorporates short circuit protection to prevent damage to the regulator and the connected circuitry in case of a short circuit.
• Reverse Polarity Protection: The device is protected against reverse polarity connection, ensuring its safety during installation.
• Fast Transient Response: The LT1965EDD-1.5#PBF exhibits a fast transient response, quickly adapting to changes in load current.

Advantages and Disadvantages

Advantages

• High current capability allows it to power demanding electronic circuits.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Small package size makes it suitable for space-constrained applications.
• Thermal shutdown protection prevents overheating and potential damage.

Disadvantages

• Limited output voltage options, as it is specifically designed for a fixed output voltage of 1.5V.
• Higher cost compared to some other voltage regulators with similar specifications.

Working Principles

The LT1965EDD-1.5#PBF operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This feedback mechanism ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The LT1965EDD-1.5#PBF finds applications in various fields, including: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT1965EDD-1.5#PBF include: - LM1117-1.5: A popular fixed 1.5V voltage regulator with a low dropout voltage. - LT1763-1.5: Another high-performance 1.5V voltage regulator with low noise characteristics. - ADP3339-1.5: A low dropout voltage regulator capable of delivering high currents at 1.5V output.

These alternatives can be considered based on specific requirements and design constraints.

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