LT1965IT#PBF

Product Overview

The LT1965IT#PBF is a low dropout (LDO) linear regulator designed for use in various electronic applications. This device falls under the category of voltage regulators and is commonly used to provide stable and regulated power supply to sensitive components in electronic circuits. Its key characteristics include high accuracy, low dropout voltage, low quiescent current, and thermal overload protection. The LT1965IT#PBF is available in a compact package, making it suitable for space-constrained designs. It is an essential component in electronic systems requiring precise voltage regulation.

Specifications

• Input Voltage Range: 1.8V to 20V
• Output Voltage Range: 1.21V to 20V
• Dropout Voltage: 300mV at 1.1A
• Quiescent Current: 40µA
• Package Type: TO-220
• Thermal Resistance: 5°C/W

Pin Configuration

The LT1965IT#PBF features a standard 3-pin configuration with the following pinout: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage)

Functional Features

The LT1965IT#PBF offers precise voltage regulation with low dropout voltage, ensuring stable output even when the input voltage approaches the desired output level. It also provides thermal overload protection, safeguarding the device and the connected circuitry from excessive heat. Additionally, the low quiescent current makes it suitable for battery-powered applications where power efficiency is crucial.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low quiescent current - Thermal overload protection

Disadvantages: - Limited maximum input voltage range - Higher thermal resistance compared to some alternatives

Working Principles

The LT1965IT#PBF operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output. When the input voltage is close to the output voltage, the dropout voltage becomes critical, and the device regulates the output by adjusting the pass element accordingly. The thermal overload protection ensures safe operation under varying load conditions and environmental temperatures.

Application Field Plans

The LT1965IT#PBF finds extensive use in various electronic devices and systems, including: - Battery-powered portable devices - Precision measurement instruments - Audio amplifiers - Automotive electronics - Industrial control systems

Alternative Models

Some alternative models to the LT1965IT#PBF include: - LM1117 - ADP3336 - MIC29302

In conclusion, the LT1965IT#PBF is a versatile and reliable voltage regulator suitable for a wide range of electronic applications. Its high accuracy, low dropout voltage, and thermal protection make it an essential component in modern electronic designs.

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