LT1761ES5-1.8#TRMPBF

Product Overview

Category

The LT1761ES5-1.8#TRMPBF 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 consistent power supply to sensitive components.

Characteristics

• Low dropout voltage: The LT1761ES5-1.8#TRMPBF has a very low dropout voltage, allowing it to operate even when the input voltage is only slightly higher than the desired output voltage.
• High accuracy: It provides precise voltage regulation with low output voltage deviation.
• Low noise: This LDO regulator minimizes electrical noise, making it suitable for applications where noise interference needs to be minimized.
• Low quiescent current: The device consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent damage due to excessive heat.

Package

The LT1761ES5-1.8#TRMPBF is available in a small SOT-23 package, which is widely used in compact electronic devices.

Essence

The essence of the LT1761ES5-1.8#TRMPBF is its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tape and reel format, containing a specific quantity per reel, such as 3000 units.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage: 1.8V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761ES5-1.8#TRMPBF has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The LT1761ES5-1.8#TRMPBF maintains a constant output voltage of 1.8V, regardless of variations in the input voltage or load conditions.
• Short Circuit Protection: It includes short circuit protection, which prevents damage to the regulator and connected components in case of a short circuit.
• Reverse Polarity Protection: The device is designed to withstand reverse polarity connection, safeguarding against accidental wiring mistakes.
• Fast Transient Response: It exhibits a fast transient response, quickly adapting to changes in load current to maintain stable voltage output.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables operation with low input voltages.
• High accuracy ensures precise voltage regulation.
• Low noise output suitable for noise-sensitive applications.
• Low quiescent current for power-saving operation.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited maximum output current of 100mA.
• SOT-23 package may require surface mount soldering expertise.

Working Principles

The LT1761ES5-1.8#TRMPBF 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. This allows it to maintain a constant output voltage despite fluctuations in the input voltage or load conditions.

Detailed Application Field Plans

The LT1761ES5-1.8#TRMPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Medical equipment - Automotive electronics

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and package options.
2. MCP1700-1802E/TO: Another LDO regulator offering a 1.8V output voltage with higher maximum output current capability.
3. LT1763CS8-1.8: A higher-performance alternative with lower dropout voltage and better load regulation.

These alternative models provide flexibility in choosing the most suitable LDO regulator based on specific requirements and constraints.

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