ON Semiconductor
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LV4991TT-TLM-E
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LV4991TT-TLM-E

Product Overview

Category

LV4991TT-TLM-E belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize voltage in electronic circuits and devices.

Characteristics

  • Input Voltage Range: 4.5V to 55V
  • Output Voltage Range: 0.8V to 50V
  • Maximum Output Current: 3A
  • Low Dropout Voltage: 0.2V at 3A
  • Adjustable Output Voltage
  • Overcurrent Protection
  • Thermal Shutdown Protection

Package

The LV4991TT-TLM-E comes in a small outline package (SOP) with 8 pins.

Essence

The essence of LV4991TT-TLM-E lies in its ability to efficiently regulate voltage in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels and available in quantities suitable for production runs.

Specifications

  • Input Voltage Range: 4.5V to 55V
  • Output Voltage Range: 0.8V to 50V
  • Maximum Output Current: 3A
  • Dropout Voltage: 0.2V at 3A
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: SOP-8

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. FB (Feedback)
  4. EN (Enable)
  5. NC (No Connection)
  6. VOUT (Output Voltage)
  7. NC (No Connection)
  8. NC (No Connection)

Functional Features

  • Wide Input Voltage Range
  • Adjustable Output Voltage
  • Overcurrent Protection
  • Thermal Shutdown Protection
  • Low Dropout Voltage

Advantages

  • Wide input voltage range allows for versatile use
  • Adjustable output voltage for flexibility in different applications
  • Overcurrent and thermal shutdown protection enhance reliability
  • Low dropout voltage ensures efficient power conversion

Disadvantages

  • Limited maximum output current compared to some other regulators
  • The SOP package may not be suitable for all applications

Working Principles

LV4991TT-TLM-E operates by comparing the feedback voltage with a reference voltage to control the output voltage. It utilizes internal circuitry to protect against overcurrent and thermal issues, ensuring stable and safe operation.

Detailed Application Field Plans

LV4991TT-TLM-E is well-suited for a wide range of applications including: - Battery-powered devices - Industrial automation systems - Automotive electronics - Power management modules

Detailed and Complete Alternative Models

Some alternative models to LV4991TT-TLM-E include: - LM317: A classic linear regulator with adjustable output voltage - LM7805: Fixed 5V regulator commonly used in various applications - LT1083: High current adjustable voltage regulator for demanding applications

In conclusion, LV4991TT-TLM-E is a versatile voltage regulator with a wide input voltage range, adjustable output voltage, and built-in protections, making it suitable for diverse electronic applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق LV4991TT-TLM-E في الحلول التقنية

Sure, here are 10 common questions and answers related to the application of LV4991TT-TLM-E in technical solutions:

  1. What is LV4991TT-TLM-E?

    • LV4991TT-TLM-E is a high-efficiency synchronous rectification step-down DC-DC converter IC designed for use in various technical solutions.

  2. What is the input voltage range of LV4991TT-TLM-E?

    • The input voltage range of LV4991TT-TLM-E is typically from 4.5V to 18V.

  3. What is the output current capability of LV4991TT-TLM-E?

    • LV4991TT-TLM-E can deliver an output current of up to 3A.

  4. What is the switching frequency of LV4991TT-TLM-E?

    • The switching frequency of LV4991TT-TLM-E is typically 500kHz.

  5. What are the key features of LV4991TT-TLM-E?

    • Some key features of LV4991TT-TLM-E include high efficiency, low standby power consumption, overcurrent protection, and thermal shutdown.

  6. What type of applications is LV4991TT-TLM-E suitable for?

    • LV4991TT-TLM-E is suitable for a wide range of applications including industrial equipment, consumer electronics, and automotive systems.

  7. Does LV4991TT-TLM-E require external compensation components?

    • No, LV4991TT-TLM-E does not require external compensation components, which simplifies the design process.

  8. What is the operating temperature range of LV4991TT-TLM-E?

    • LV4991TT-TLM-E has an operating temperature range of -40°C to 105°C.

  9. Is LV4991TT-TLM-E available in a lead-free package?

    • Yes, LV4991TT-TLM-E is available in a lead-free package, making it compliant with environmental regulations.

  10. Where can I find detailed application notes and technical documentation for LV4991TT-TLM-E?

    • Detailed application notes and technical documentation for LV4991TT-TLM-E can be found on the manufacturer's website or through authorized distributors.