LT1761IS5-SD#TRMPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High PSRR
• Package: SOT-23-5
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.21V to 20V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV at 100mA
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 40µA typical
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1761IS5-SD#TRMPBF has a SOT-23-5 package with the following pin configuration:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: SHDN (Shutdown)

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low noise output ensures minimal interference in sensitive applications.
• High power supply rejection ratio (PSRR) reduces the impact of input voltage variations on the output.
• Shutdown pin enables easy control of the regulator's operation.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile use in various applications. - Low dropout voltage ensures efficient power conversion. - Low noise output is beneficial for noise-sensitive circuits. - Shutdown pin provides convenient control over the regulator's operation.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - SOT-23-5 package may require careful handling during assembly.

Working Principles

The LT1761IS5-SD#TRMPBF is a linear regulator that operates by maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this through the use of a pass transistor and feedback circuitry. The pass transistor adjusts its resistance to regulate the output voltage based on the feedback received from the output. This feedback loop continuously monitors and adjusts the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

The LT1761IS5-SD#TRMPBF is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices: Provides stable voltage regulation for portable electronics. - Communication systems: Ensures reliable power supply for RF modules, microcontrollers, and other components. - Industrial equipment: Used in control systems, sensors, and instrumentation. - Automotive applications: Provides regulated power for automotive electronics, such as infotainment systems and sensors. - Medical devices: Ensures precise and stable power supply for medical equipment.

Detailed and Complete Alternative Models

• LT1761ES5-SD#TRMPBF: Similar specifications and features, but with an extended temperature range (-40°C to 150°C).
• LT1761IS5-BYP#TRMPBF: Same specifications and features, but with a different pin configuration (BYP package).

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