LT3083IDF#TRPBF

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: High-performance, low dropout linear regulator
Package: DFN (Dual Flat No-Lead)
Essence: Provides a regulated output voltage with low dropout voltage and high current capability
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 1.2V to 36V
Output Voltage Range: 0.6V to 34V
Dropout Voltage: 350mV at 1A load current
Output Current: Up to 1.5A
Line Regulation: ±0.02% typical
Load Regulation: ±0.04% typical
Quiescent Current: 60µA typical
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3083IDF#TRPBF has the following pin configuration:

IN: Input voltage pin
GND: Ground pin
ADJ: Output voltage adjustment pin
OUT: Output voltage pin

Functional Features

Low dropout voltage: Allows operation with small input-output differentials
High output current: Capable of delivering up to 1.5A
Adjustable output voltage: The output voltage can be easily adjusted using an external resistor
Thermal shutdown protection: Protects the device from excessive temperature
Current limit protection: Prevents damage due to excessive output current

Advantages

High performance: Provides stable and accurate output voltage regulation
Wide input voltage range: Can operate with a wide range of input voltages
Low quiescent current: Ensures minimal power consumption in standby mode
Small package size: The DFN package allows for compact and space-saving designs

Disadvantages

Limited output current: Not suitable for applications requiring higher output currents
Dropout voltage: The 350mV dropout voltage may limit its use in low voltage applications

Working Principles

The LT3083IDF#TRPBF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the output. Any difference between these voltages is amplified and used to control the pass transistor, ensuring a stable output voltage.

Detailed Application Field Plans

The LT3083IDF#TRPBF can be used in various applications, including:

Power supplies for microcontrollers and digital circuits
Battery-powered devices
Automotive electronics
Industrial control systems
Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT3083IDF#TRPBF are:

LM317: Adjustable voltage regulator with a wide input voltage range
LT1086: Low dropout positive voltage regulator with high output current capability
LM1117: Fixed voltage regulator with low dropout voltage and thermal shutdown protection

These alternative models can be considered based on specific application requirements and design constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT3083IDF#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT3083IDF#TRPBF in technical solutions:

Q: What is LT3083IDF#TRPBF? A: LT3083IDF#TRPBF is a high-performance, low-dropout (LDO) linear regulator IC manufactured by Linear Technology (now part of Analog Devices). It is designed to provide a regulated output voltage with low noise and high power supply rejection ratio.
Q: What are the key features of LT3083IDF#TRPBF? A: Some key features of LT3083IDF#TRPBF include adjustable output voltage, low dropout voltage, high current capability, thermal shutdown protection, and wide input voltage range.
Q: What is the typical application of LT3083IDF#TRPBF? A: LT3083IDF#TRPBF is commonly used in various technical solutions where a stable and regulated power supply is required, such as in industrial automation, automotive electronics, medical devices, and communication systems.
Q: How do I adjust the output voltage of LT3083IDF#TRPBF? A: The output voltage of LT3083IDF#TRPBF can be adjusted using an external resistor divider network connected to the ADJ pin. The formula for calculating the output voltage is provided in the datasheet.
Q: What is the maximum current that LT3083IDF#TRPBF can handle? A: LT3083IDF#TRPBF has a maximum output current rating of 3A. However, the actual current handling capability depends on factors like input-output voltage differential, thermal conditions, and PCB layout.
Q: Does LT3083IDF#TRPBF require any external components for operation? A: Yes, LT3083IDF#TRPBF requires a few external components such as input and output capacitors for stability and noise filtering. The datasheet provides recommended values and guidelines for selecting these components.
Q: Can LT3083IDF#TRPBF operate with a wide input voltage range? A: Yes, LT3083IDF#TRPBF can operate with an input voltage range of 1.2V to 40V. This makes it suitable for various applications where the input voltage can vary significantly.
Q: Does LT3083IDF#TRPBF have any protection features? A: Yes, LT3083IDF#TRPBF incorporates several protection features like thermal shutdown, current limit, and reverse battery protection. These features help safeguard the IC and the connected circuitry.
Q: Is LT3083IDF#TRPBF available in different package options? A: Yes, LT3083IDF#TRPBF is available in different package options, including the DFN (Dual Flat No-Lead) package, which is compact and suitable for space-constrained applications.
Q: Where can I find more information about LT3083IDF#TRPBF? A: You can find detailed information about LT3083IDF#TRPBF, including its electrical characteristics, application circuits, and recommended usage guidelines, in the datasheet provided by Analog Devices.