LT1761IS5-SD#TRPBF

Product Overview

Category

The LT1761IS5-SD#TRPBF belongs to the category of low dropout (LDO) linear voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels, ensuring a reliable power supply for various components.

Characteristics

• Low dropout voltage: The LT1761IS5-SD#TRPBF has a very low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• High accuracy: This voltage regulator provides precise and stable output voltage, minimizing fluctuations and ensuring consistent performance.
• Low noise: The LT1761IS5-SD#TRPBF is designed to minimize output voltage ripple and noise, making it suitable for applications requiring clean power supply.
• Thermal shutdown protection: It includes built-in thermal shutdown protection, which prevents the device from overheating and ensures safe operation.

Package

The LT1761IS5-SD#TRPBF comes in a small SOT-23 package, which is widely used for surface mount applications. This compact package allows for easy integration into space-constrained designs.

Essence

The essence of the LT1761IS5-SD#TRPBF lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 300mV at 100mA
• Output Current: Up to 100mA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761IS5-SD#TRPBF has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND NC |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• NC: No connection (unused pin)

Functional Features

• Low dropout voltage: The LT1761IS5-SD#TRPBF can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage.
• High accuracy and stability: It provides precise and stable output voltage, ensuring reliable operation of connected components.
• Low noise and ripple: This voltage regulator minimizes output voltage fluctuations, making it suitable for noise-sensitive applications.
• Thermal shutdown protection: The built-in thermal shutdown feature protects the device from overheating, enhancing its safety and longevity.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient operation in low input voltage scenarios.
• High accuracy and stability ensure consistent performance.
• Compact package allows for easy integration into space-constrained designs.
• Low noise and ripple make it suitable for sensitive electronic applications.
• Thermal shutdown protection enhances safety and reliability.

Disadvantages

• Limited output current capability (up to 100mA).
• Not suitable for high-power applications requiring higher output currents.

Working Principles

The LT1761IS5-SD#TRPBF operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain a stable output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The LT1761IS5-SD#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices: It can regulate the battery voltage to provide a stable power supply for microcontrollers, sensors, and other components. - Portable audio devices: This voltage regulator ensures clean and stable power for audio amplifiers, DACs, and other audio circuitry. - Automotive electronics: It can be used to regulate voltage in automotive applications such as infotainment systems, lighting controls, and sensors. - Industrial control systems: The LT1761IS5-SD#TRPBF is suitable for powering microcontrollers, sensors, and other control circuitry in industrial automation systems.

Detailed and Complete Alternative Models

• LM1117: A popular LDO voltage regulator with similar specifications and package options.
• MCP1700: Another low dropout voltage regulator available in various package options.
• ADP3339: An LDO regulator with higher output current capability and adjustable output voltage.

These alternative models