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L6920DC

L6920DC

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: Dual Flat No-Lead (DFN)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 200mV at 500mA
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The L6920DC has a total of 6 pins:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. PG: Power Good pin

Functional Features

  • Low dropout voltage for efficient power conversion
  • Wide input voltage range for versatile applications
  • Adjustable output voltage for flexibility
  • Power Good indicator for system monitoring
  • Thermal shutdown protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency resulting in reduced power consumption - Compact DFN package for space-constrained designs - Wide operating temperature range for various environments

Disadvantages: - Limited maximum output current of 500mA - Dropout voltage of 200mV may affect performance in low voltage scenarios

Working Principles

The L6920DC is a voltage regulator IC that regulates the input voltage to a desired output voltage level. It achieves this by utilizing an internal control loop that adjusts the duty cycle of an integrated switch. This switching action allows for efficient power conversion while maintaining a stable output voltage.

Detailed Application Field Plans

The L6920DC is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Wearable technology - Embedded systems

Detailed and Complete Alternative Models

  1. LM1117: Low dropout voltage regulator with higher maximum output current (up to 800mA)
  2. LT1763: Ultra-low dropout voltage regulator with adjustable output voltage and higher maximum output current (up to 500mA)
  3. TPS7A47: High-performance voltage regulator with ultra-low noise and higher maximum output current (up to 1A)

These alternative models offer different features and specifications, providing options for specific application requirements.

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10个与L6920DC在技术解决方案中的应用相关的常见问题及解答

  1. What is the maximum input voltage for L6920DC?
    - The maximum input voltage for L6920DC is 40V.

  2. What is the typical output current of L6920DC?
    - The typical output current of L6920DC is 2A.

  3. Can L6920DC operate in a wide temperature range?
    - Yes, L6920DC can operate in a wide temperature range from -40°C to 125°C.

  4. Is L6920DC suitable for automotive applications?
    - Yes, L6920DC is suitable for automotive applications due to its AEC-Q100 qualification.

  5. What type of package does L6920DC come in?
    - L6920DC comes in a small and thermally enhanced DFN package.

  6. Does L6920DC have built-in overcurrent protection?
    - Yes, L6920DC features built-in overcurrent protection.

  7. What is the typical switching frequency of L6920DC?
    - The typical switching frequency of L6920DC is 500kHz.

  8. Can L6920DC be used in battery-powered applications?
    - Yes, L6920DC can be used in battery-powered applications due to its low quiescent current.

  9. Is L6920DC compatible with both ceramic and tantalum output capacitors?
    - Yes, L6920DC is compatible with both ceramic and tantalum output capacitors.

  10. What is the typical efficiency of L6920DC?
    - The typical efficiency of L6920DC is around 90% at full load.