LT1761IS5-1.8#TRPBF

Product Overview

Category

The LT1761IS5-1.8#TRPBF 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 LT1761IS5-1.8#TRPBF has a 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 offers high precision in maintaining the desired output voltage.
• Low quiescent current: The LT1761IS5-1.8#TRPBF consumes minimal current when in standby mode, making it suitable for battery-powered applications.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent damage from excessive heat.

Package

The LT1761IS5-1.8#TRPBF comes in a small SOT-23-5 package, which is a surface-mount package with five pins.

Essence

The essence of the LT1761IS5-1.8#TRPBF is its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage: 1.8V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761IS5-1.8#TRPBF has five pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for setting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin

Functional Features

• Low Dropout Voltage: The LT1761IS5-1.8#TRPBF can maintain a stable output voltage even when the input voltage is close to the desired output voltage, ensuring efficient operation.
• High Accuracy: This voltage regulator provides precise and reliable output voltage regulation, making it suitable for applications that require tight voltage control.
• Low Quiescent Current: With its low quiescent current consumption, the LT1761IS5-1.8#TRPBF is ideal for battery-powered devices, helping to extend battery life.
• Thermal Shutdown Protection: The built-in thermal shutdown protection prevents the regulator from overheating, ensuring safe operation.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows for efficient operation.
• High accuracy ensures reliable voltage regulation.
• Low quiescent current consumption extends battery life.
• Thermal shutdown protection prevents damage from excessive heat.

Disadvantages

• Limited maximum output current of 100mA may not be sufficient for high-power applications.
• SOT-23-5 package may require surface-mount soldering expertise.

Working Principles

The LT1761IS5-1.8#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 constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

The LT1761IS5-1.8#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

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and package.
2. MCP1700-1802E/TO: Another alternative voltage regulator with comparable characteristics.
3. ADP3339AKCZ-1.8-R7: An alternative model offering higher maximum output current.

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the LT1761IS5-1.8#TRPBF is a voltage regulator that provides stable and regulated output voltage for various electronic applications. Its low dropout voltage, high accuracy, and low quiescent current make it suitable for battery-powered devices. However, its limited maximum output current and surface-mount package may pose limitations in certain applications.