Linear Technology/Analog Devices
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LT1085IM#PBF
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LT1085IM#PBF

Product Overview

Category

LT1085IM#PBF belongs to the category of voltage regulators.

Use

The LT1085IM#PBF is used to regulate and control the output voltage in electronic circuits.

Characteristics

  • High accuracy and precision in voltage regulation.
  • Low dropout voltage.
  • Wide input voltage range.
  • Current limiting and thermal shutdown protection features.

Package

LT1085IM#PBF is available in a TO-220 package.

Essence

The essence of LT1085IM#PBF lies in its ability to provide stable and regulated output voltage for various electronic applications.

Packaging/Quantity

LT1085IM#PBF is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 3.6V to 30V
  • Output Voltage Range: 1.2V to 29.5V
  • Dropout Voltage: 1.5V (typical)
  • Output Current: Up to 3A
  • Line Regulation: ±0.015% (typical)
  • Load Regulation: ±0.1% (typical)
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1085IM#PBF has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • High accuracy voltage regulation.
  • Low dropout voltage allows for efficient power conversion.
  • Current limiting feature protects the circuit from excessive current.
  • Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages

  • High precision and accuracy in voltage regulation.
  • Wide input voltage range allows for versatile applications.
  • Current limiting and thermal shutdown protection enhance circuit safety.

Disadvantages

  • Dropout voltage may limit its use in low voltage applications.
  • Higher cost compared to some other voltage regulators.

Working Principles

The LT1085IM#PBF operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, regardless of input voltage variations or load changes.

Detailed Application Field Plans

LT1085IM#PBF finds applications in various electronic systems, including: 1. Power supplies for microcontrollers and digital circuits. 2. Battery charging circuits. 3. Audio amplifiers and preamplifiers. 4. Industrial control systems. 5. Automotive electronics.

Detailed and Complete Alternative Models

Some alternative models to LT1085IM#PBF include: 1. LM317: A popular adjustable voltage regulator with similar features. 2. LT1084: Offers higher output current capability. 3. LM7805: Fixed 5V voltage regulator commonly used in many applications.

These alternative models provide different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT1085IM#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT1085IM#PBF in technical solutions:

  1. Q: What is LT1085IM#PBF? A: LT1085IM#PBF is a high-performance, adjustable linear voltage regulator IC.

  2. Q: What is the maximum input voltage for LT1085IM#PBF? A: The maximum input voltage for LT1085IM#PBF is 40V.

  3. Q: What is the output voltage range of LT1085IM#PBF? A: The output voltage range of LT1085IM#PBF is adjustable from 1.2V to 32V.

  4. Q: What is the maximum output current of LT1085IM#PBF? A: The maximum output current of LT1085IM#PBF is 3A.

  5. Q: How does LT1085IM#PBF handle thermal regulation? A: LT1085IM#PBF has built-in thermal regulation that limits the junction temperature to prevent overheating.

  6. Q: Can LT1085IM#PBF be used as a drop-in replacement for other linear regulators? A: Yes, LT1085IM#PBF can be used as a drop-in replacement for many other linear regulators with similar pin configurations.

  7. Q: Does LT1085IM#PBF require any external components for operation? A: Yes, LT1085IM#PBF requires input and output capacitors for stability and proper operation.

  8. Q: Can LT1085IM#PBF be used in both positive and negative voltage applications? A: No, LT1085IM#PBF is designed for positive voltage applications only.

  9. Q: What is the typical dropout voltage of LT1085IM#PBF? A: The typical dropout voltage of LT1085IM#PBF is around 1.3V at full load.

  10. Q: Is LT1085IM#PBF suitable for high-current applications? A: Yes, LT1085IM#PBF is capable of delivering up to 3A of continuous output current, making it suitable for various high-current applications.

Please note that these answers are general and may vary depending on specific application requirements and conditions.