LT1761ES5-1.8#TRPBF

Product Overview

Category

The LT1761ES5-1.8#TRPBF belongs to the category of low dropout voltage regulators.

Use

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

Characteristics

• Low dropout voltage: The LT1761ES5-1.8#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 output voltage regulation, minimizing voltage fluctuations and ensuring stable performance of connected devices.
• Low quiescent current: The LT1761ES5-1.8#TRPBF consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal shutdown protection: It includes built-in thermal shutdown protection, preventing damage due to excessive heat.

Package

The LT1761ES5-1.8#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 LT1761ES5-1.8#TRPBF lies in its ability to provide stable and regulated voltage output, 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: 1.8V
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40µA
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761ES5-1.8#TRPBF 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

• Voltage Regulation: The LT1761ES5-1.8#TRPBF maintains a constant output voltage of 1.8V, regardless of changes in the input voltage or load conditions.
• Low Dropout: It can operate with a very low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: Built-in thermal shutdown protection prevents the regulator from overheating, ensuring safe operation under various conditions.
• Low Quiescent Current: The LT1761ES5-1.8#TRPBF consumes minimal current in standby mode, reducing power consumption and extending battery life.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage enables efficient operation.
• Compact package for easy integration into designs.
• Thermal shutdown protection ensures safety.
• Low quiescent current for power efficiency.

Disadvantages

• Limited maximum output current of 100mA.
• Not suitable for high-power applications.

Working Principles

The LT1761ES5-1.8#TRPBF operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.8V. The dropout voltage is minimized by utilizing a low resistance pass transistor. The regulator also includes thermal shutdown protection to prevent damage due to excessive heat.

Detailed Application Field Plans

The LT1761ES5-1.8#TRPBF finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the LT1761ES5-1.8#TRPBF include: - LM1117-1.8: Low dropout voltage regulator with similar specifications. - MCP1702-1802E: Another low dropout voltage regulator suitable for 1.8V output. - ADP3339AKCZ-1.8: High accuracy, low dropout voltage regulator.

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

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