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LM3502SQ-35/NOPB

LM3502SQ-35/NOPB

Product Overview

Category

The LM3502SQ-35/NOPB belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of variations in input voltage or load conditions.

Characteristics

  • Input Voltage Range: 4.5V to 42V
  • Output Voltage Range: 1.235V to 37V
  • Maximum Output Current: 3A
  • Low Dropout Voltage: 0.5V at 3A
  • Thermal Shutdown Protection
  • Adjustable Output Voltage

Package

The LM3502SQ-35/NOPB comes in a small outline package (SOP) with exposed pad for enhanced thermal performance.

Packaging/Quantity

It is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 42V
  • Output Voltage Range: 1.235V to 37V
  • Dropout Voltage: 0.5V at 3A
  • Line Regulation: 0.01% typical
  • Load Regulation: 0.1% typical
  • Quiescent Current: 10mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM3502SQ-35/NOPB has the following pin configuration: 1. VIN: Input voltage 2. GND: Ground 3. ADJ: Adjustable output 4. VOUT: Regulated output

Functional Features

  • Voltage Regulation: Provides stable output voltage despite input and load variations.
  • Thermal Shutdown Protection: Prevents damage due to excessive heat.
  • Adjustable Output Voltage: Allows flexibility in setting the desired output voltage.

Advantages and Disadvantages

Advantages

  • Wide input voltage range
  • Low dropout voltage
  • Thermal shutdown protection
  • Adjustable output voltage

Disadvantages

  • Higher quiescent current compared to some alternatives
  • Limited maximum output current compared to higher power applications

Working Principles

The LM3502SQ-35/NOPB operates by comparing the output voltage to a reference voltage and adjusting the pass device to maintain a constant output voltage. It utilizes feedback control to achieve regulation.

Detailed Application Field Plans

The LM3502SQ-35/NOPB is suitable for various applications including: - Battery-powered devices - Automotive electronics - Industrial control systems - Portable instruments - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the LM3502SQ-35/NOPB include: - LM317: A popular adjustable linear voltage regulator with similar characteristics - LT1086: Low dropout positive adjustable regulator with higher maximum output current

In conclusion, the LM3502SQ-35/NOPB is a versatile voltage regulator with a wide input voltage range, making it suitable for diverse applications where stable voltage regulation is essential.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM3502SQ-35/NOPB i tekniska lösningar

  1. What is the input voltage range of LM3502SQ-35/NOPB?
    - The input voltage range of LM3502SQ-35/NOPB is 4.5V to 75V.

  2. What is the maximum output current of LM3502SQ-35/NOPB?
    - The maximum output current of LM3502SQ-35/NOPB is 3.5A.

  3. Can LM3502SQ-35/NOPB be used for automotive applications?
    - Yes, LM3502SQ-35/NOPB is suitable for automotive applications.

  4. What is the typical dropout voltage of LM3502SQ-35/NOPB?
    - The typical dropout voltage of LM3502SQ-35/NOPB is 0.5V at 3.5A.

  5. Is thermal shutdown protection available in LM3502SQ-35/NOPB?
    - Yes, LM3502SQ-35/NOPB features thermal shutdown protection.

  6. Can LM3502SQ-35/NOPB be used in industrial lighting applications?
    - Yes, LM3502SQ-35/NOPB is suitable for industrial lighting applications.

  7. What is the operating temperature range of LM3502SQ-35/NOPB?
    - The operating temperature range of LM3502SQ-35/NOPB is -40°C to 125°C.

  8. Does LM3502SQ-35/NOPB require an external compensation network?
    - No, LM3502SQ-35/NOPB does not require an external compensation network.

  9. Is LM3502SQ-35/NOPB compatible with dimming control?
    - Yes, LM3502SQ-35/NOPB is compatible with dimming control.

  10. What package type does LM3502SQ-35/NOPB come in?
    - LM3502SQ-35/NOPB is available in a 16-pin WQFN package.