Linear Technology/QD Devices
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LT3085IDCB#TRMPBF
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LT3085IDCB#TRMPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High current, low dropout voltage, adjustable output voltage
  • Package: DFN-12 (3mm x 4mm)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 1.2V to 36V
  • Output Voltage Range: 0.6V to 34.5V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 350mV at 500mA
  • Line Regulation: ±0.02% typical
  • Load Regulation: ±0.1% typical
  • Quiescent Current: 50µA typical
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3085IDCB#TRMPBF has a total of 12 pins. The pin configuration is as follows:

  1. IN: Input voltage pin
  2. GND: Ground pin
  3. ADJ: Adjust pin for setting the output voltage
  4. OUT: Output voltage pin
  5. NC: No connection
  6. NC: No connection
  7. NC: No connection
  8. NC: No connection
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection

Functional Features

  • High accuracy and low dropout voltage
  • Adjustable output voltage through the ADJ pin
  • Overcurrent and thermal protection
  • Fast transient response
  • Low quiescent current in shutdown mode

Advantages and Disadvantages

Advantages: - Wide input voltage range - High current capability - Low dropout voltage - Excellent line and load regulation - Thermal protection ensures safe operation

Disadvantages: - Limited maximum output current (500mA) - Requires external components for stability

Working Principles

The LT3085IDCB#TRMPBF is a linear voltage regulator that provides a stable output voltage regardless of input voltage fluctuations. It uses a pass transistor to regulate the output voltage based on the feedback received from the ADJ pin. The adjustable output voltage allows for flexibility in various applications.

Detailed Application Field Plans

The LT3085IDCB#TRMPBF can be used in a wide range of applications, including but not limited to:

  1. Power supplies for industrial equipment
  2. Battery-powered devices
  3. Automotive electronics
  4. Portable electronic devices
  5. Communication systems
  6. Medical equipment
  7. Audio amplifiers
  8. LED lighting systems

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with similar specifications
  2. LT1084: High current, low dropout voltage regulator
  3. LM1117: Low dropout voltage regulator with fixed output voltage options
  4. LT1763: Ultra-low dropout voltage regulator with high accuracy
  5. LM7805: Fixed 5V voltage regulator commonly used in many applications

These alternative models provide different features and options to suit specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT3085IDCB#TRMPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT3085IDCB#TRMPBF:

  1. Q: What is the LT3085IDCB#TRMPBF? A: The LT3085IDCB#TRMPBF is a high-performance, low dropout voltage linear regulator IC.

  2. Q: What is the input voltage range of the LT3085IDCB#TRMPBF? A: The input voltage range of the LT3085IDCB#TRMPBF is from 1.2V to 36V.

  3. Q: What is the output voltage range of the LT3085IDCB#TRMPBF? A: The output voltage range of the LT3085IDCB#TRMPBF is from 0V to 32V.

  4. Q: What is the maximum output current of the LT3085IDCB#TRMPBF? A: The maximum output current of the LT3085IDCB#TRMPBF is 500mA.

  5. Q: Can the LT3085IDCB#TRMPBF be used in battery-powered applications? A: Yes, the LT3085IDCB#TRMPBF can be used in battery-powered applications due to its low dropout voltage.

  6. Q: Does the LT3085IDCB#TRMPBF require an external heat sink? A: It depends on the power dissipation requirements. For higher power dissipation, an external heat sink may be necessary.

  7. Q: Is the LT3085IDCB#TRMPBF suitable for precision voltage regulation? A: Yes, the LT3085IDCB#TRMPBF is designed for precision voltage regulation with low output voltage noise and high PSRR (Power Supply Rejection Ratio).

  8. Q: Can the LT3085IDCB#TRMPBF be used in automotive applications? A: Yes, the LT3085IDCB#TRMPBF is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  9. Q: What protection features does the LT3085IDCB#TRMPBF offer? A: The LT3085IDCB#TRMPBF provides overcurrent protection, thermal shutdown, and reverse battery protection.

  10. Q: Are there any application notes or reference designs available for the LT3085IDCB#TRMPBF? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs on their website that can help with the implementation of the LT3085IDCB#TRMPBF in various technical solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and relevant documentation for accurate information.