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LP39542TL/NOPB

LP39542TL/NOPB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: Thin Shrink Small Outline Package (TSSOP)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Output Current: Up to 1A
  • Quiescent Current: 50µA (typical)
  • Switching Frequency: 2.25MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP39542TL/NOPB IC has the following pin configuration:

  1. EN (Enable)
  2. FB (Feedback)
  3. GND (Ground)
  4. SW (Switch)
  5. VIN (Input Voltage)
  6. VOUT (Output Voltage)

Functional Features

  • High efficiency voltage regulation
  • Low power consumption in standby mode
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft start to minimize inrush current

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency results in reduced power dissipation
  • Compact TSSOP package saves board space
  • Overcurrent and thermal protection enhance reliability
  • Soft start feature prevents excessive current flow during startup

Disadvantages

  • Limited output current capacity (up to 1A)
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The LP39542TL/NOPB is a voltage regulator IC that takes an input voltage within the range of 2.7V to 5.5V and provides a regulated output voltage between 0.8V and 3.6V. It achieves high efficiency by utilizing a synchronous buck converter topology. The IC incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The LP39542TL/NOPB is commonly used in portable electronic devices, battery-powered systems, and other applications where efficient power management is crucial. Some specific application areas include:

  1. Mobile phones and smartphones
  2. Tablets and laptops
  3. Portable gaming consoles
  4. Wearable devices
  5. IoT (Internet of Things) devices
  6. Battery-powered medical devices

Detailed and Complete Alternative Models

  • LM2576T-ADJ: Adjustable Voltage Regulator, TO-220 package
  • TPS54332DDAR: Synchronous Buck Converter, PowerPAD package
  • LT1763CS8-3.3: Low Dropout Regulator, SOIC package
  • MAX17020ETM+: Step-Down DC-DC Converter, TQFN package
  • AP1509-50T5L-U: Fixed Voltage Regulator, SOT-23 package

(Note: This list is not exhaustive and there are many other alternative models available in the market.)

This entry provides an overview of the LP39542TL/NOPB voltage regulator IC, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LP39542TL/NOPB dalam solusi teknis

  1. What is the maximum input voltage for LP39542TL/NOPB?
    - The maximum input voltage for LP39542TL/NOPB is 5.5V.

  2. What is the typical output current per channel of LP39542TL/NOPB?
    - The typical output current per channel of LP39542TL/NOPB is 25mA.

  3. Can LP39542TL/NOPB be used in automotive applications?
    - Yes, LP39542TL/NOPB is suitable for automotive applications.

  4. What is the operating temperature range of LP39542TL/NOPB?
    - The operating temperature range of LP39542TL/NOPB is -40°C to 125°C.

  5. Is LP39542TL/NOPB compatible with I2C interface?
    - Yes, LP39542TL/NOPB is compatible with I2C interface.

  6. Can LP39542TL/NOPB be used for backlighting applications?
    - Yes, LP39542TL/NOPB can be used for backlighting applications.

  7. What is the package type of LP39542TL/NOPB?
    - LP39542TL/NOPB is available in a 24-pin WQFN package.

  8. Does LP39542TL/NOPB have built-in thermal shutdown protection?
    - Yes, LP39542TL/NOPB features built-in thermal shutdown protection.

  9. What is the supply voltage range for LP39542TL/NOPB?
    - The supply voltage range for LP39542TL/NOPB is 2.7V to 5.5V.

  10. Is LP39542TL/NOPB RoHS compliant?
    - Yes, LP39542TL/NOPB is RoHS compliant.