LT1761IS5-3.3#TRPBF

Product Overview

Category

The LT1761IS5-3.3#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 LT1761IS5-3.3#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 provides precise and stable output voltage, ensuring reliable performance of connected devices.
• Low quiescent current: The LT1761IS5-3.3#TRPBF 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 overheating and damage to the device.

Package

The LT1761IS5-3.3#TRPBF comes in a small SOT-23-5 package, which is suitable for space-constrained applications.

Essence

The essence of the LT1761IS5-3.3#TRPBF is its ability to provide a stable and regulated output voltage, ensuring proper functioning of electronic circuits.

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: 3.3V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761IS5-3.3#TRPBF has five pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SHDN: Shutdown pin (active low)
4. FB: Feedback pin for setting the output voltage
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient operation even with small input-output voltage differentials.
• Excellent line and load regulation characteristics maintain a stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Low quiescent current minimizes power consumption in standby mode.

Advantages and Disadvantages

Advantages

• Precise and stable output voltage regulation
• Low dropout voltage for efficient operation
• Small package size suitable for space-constrained applications
• Thermal shutdown protection for enhanced reliability
• Low quiescent current for power conservation

Disadvantages

• Limited maximum output current of 100mA may not be sufficient for high-power applications.
• Input voltage range limited to 2.5V to 20V, which may not be suitable for all applications.

Working Principles

The LT1761IS5-3.3#TRPBF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage at the FB pin with a reference voltage to adjust the pass transistor's resistance and maintain a constant output voltage. The dropout voltage is minimized by using a low-resistance pass transistor.

Detailed Application Field Plans

The LT1761IS5-3.3#TRPBF finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models to the LT1761IS5-3.3#TRPBF include: - LM1117-3.3: A popular voltage regulator with similar specifications and package options. - MCP1703-3.3: Another voltage regulator offering low dropout voltage and small package size. - TPS79333: A high-performance voltage regulator with low quiescent current and thermal shutdown protection.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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