LT1761ES5-3.3#TRPBF

Product Overview

Category

The LT1761ES5-3.3#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 LT1761ES5-3.3#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: It provides precise voltage regulation, minimizing fluctuations and ensuring stable performance.
• Low quiescent current: The regulator consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal shutdown protection: It incorporates thermal shutdown circuitry to prevent overheating and potential damage to the device.
• Small package size: The LT1761ES5-3.3#TRPBF comes in a compact SOT-23 package, making it suitable for space-constrained applications.

Packaging/Quantity

The LT1761ES5-3.3#TRPBF 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
• Dropout Voltage: 300mV at 100mA load
• Quiescent Current: 40µA
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23

Detailed Pin Configuration

The LT1761ES5-3.3#TRPBF has three pins:

1. VIN (Pin 1): This pin is used to connect the input voltage, typically ranging from 2.5V to 20V.
2. GND (Pin 2): The ground pin provides the reference potential for the regulator.
3. VOUT (Pin 3): This pin outputs the regulated voltage of 3.3V.

Functional Features

• Low dropout voltage: The LT1761ES5-3.3#TRPBF can maintain a stable output voltage even when the input voltage is only slightly higher than the desired output voltage.
• Thermal shutdown protection: It incorporates a thermal shutdown feature that prevents the device from overheating and protects it from damage.
• High accuracy: The regulator provides precise voltage regulation, ensuring consistent performance of connected components.
• Low quiescent current: In standby mode, the LT1761ES5-3.3#TRPBF consumes minimal current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient operation.
• High accuracy guarantees stable voltage regulation.
• Small package size allows for easy integration into space-constrained designs.
• Thermal shutdown protection prevents overheating and damage.

Disadvantages

• Limited output voltage options (fixed at 3.3V).
• Not suitable for applications requiring higher output currents.

Working Principles

The LT1761ES5-3.3#TRPBF operates based on the principle of a low dropout 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, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The LT1761ES5-3.3#TRPBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices: It provides stable voltage regulation for portable electronics, ensuring consistent performance throughout the battery life. - Embedded systems: The regulator can be used in microcontroller-based systems, providing a reliable power supply for various components. - Automotive electronics: It is suitable for automotive applications that require precise voltage regulation, such as infotainment systems and engine control units. - Industrial automation: The LT1761ES5-3.3#TRPBF can be utilized in industrial control systems, ensuring stable power supply to sensors, actuators, and other critical components.

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and package size.
• MCP1703-3302E/DB: Another low dropout voltage regulator offering a 3.3V output voltage.
• TPS73633DBVR: A compact regulator with a fixed 3.3V output and low quiescent current.

These alternative models provide similar functionality and can be considered as substitutes for the LT1761ES5-3.3#TRPBF in various applications.

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