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LM3503ITL-44/NOPB
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LM3503ITL-44/NOPB

Product Overview

Category

The LM3503ITL-44/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 input variations.

Characteristics

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 4.2V
  • Low Dropout Voltage: 200mV at 300mA
  • Low Quiescent Current: 75µA
  • Package Type: Thin SOT-23 (TL-44)

Package

The LM3503ITL-44/NOPB comes in a Thin SOT-23 package, which is compact and suitable for space-constrained applications.

Packaging/Quantity

The LM3503ITL-44/NOPB is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 4.2V
  • Dropout Voltage: 200mV at 300mA
  • Quiescent Current: 75µA
  • Package Type: Thin SOT-23 (TL-44)

Detailed Pin Configuration

The LM3503ITL-44/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. FB (Feedback) 5. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage for efficient regulation
  • Wide input voltage range for versatility
  • Low quiescent current for power efficiency
  • Enable pin for control over the regulator's operation

Advantages and Disadvantages

Advantages

  • Efficient voltage regulation
  • Wide input voltage range
  • Compact package size
  • Low quiescent current

Disadvantages

  • Limited maximum output current
  • Sensitive to external noise and fluctuations

Working Principles

The LM3503ITL-44/NOPB operates by comparing the feedback voltage to a reference voltage and adjusting the pass element to maintain a stable output voltage. When enabled, it regulates the output voltage based on the input voltage and load conditions.

Detailed Application Field Plans

The LM3503ITL-44/NOPB is commonly used in portable electronic devices, battery-powered systems, and low-power applications where efficient voltage regulation is essential. It is suitable for handheld devices, IoT sensors, and wearable electronics.

Detailed and Complete Alternative Models

Some alternative models to the LM3503ITL-44/NOPB include the LM1117, LM2937, and LM317, each offering similar voltage regulation capabilities with varying specifications and package options.

In conclusion, the LM3503ITL-44/NOPB is a versatile voltage regulator with a wide input voltage range, compact package, and efficient performance, making it suitable for various low-power electronic applications.

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10 domande e risposte comuni relative all'applicazione di LM3503ITL-44/NOPB nelle soluzioni tecniche

  1. Question: What is the maximum input voltage for LM3503ITL-44/NOPB?
    Answer: The maximum input voltage for LM3503ITL-44/NOPB is 45V.

  2. Question: What is the typical output current capability of LM3503ITL-44/NOPB?
    Answer: The typical output current capability of LM3503ITL-44/NOPB is 1A.

  3. Question: Can LM3503ITL-44/NOPB be used in automotive applications?
    Answer: Yes, LM3503ITL-44/NOPB is suitable for automotive applications.

  4. Question: What is the operating temperature range of LM3503ITL-44/NOPB?
    Answer: The operating temperature range of LM3503ITL-44/NOPB is -40°C to 125°C.

  5. Question: Does LM3503ITL-44/NOPB require an external heat sink?
    Answer: Yes, LM3503ITL-44/NOPB may require an external heat sink depending on the application and power dissipation.

  6. Question: Is LM3503ITL-44/NOPB compatible with dimming control?
    Answer: Yes, LM3503ITL-44/NOPB is compatible with dimming control.

  7. Question: What is the typical dropout voltage of LM3503ITL-44/NOPB?
    Answer: The typical dropout voltage of LM3503ITL-44/NOPB is 0.5V at 1A load current.

  8. Question: Can LM3503ITL-44/NOPB be used in LED lighting applications?
    Answer: Yes, LM3503ITL-44/NOPB is commonly used in LED lighting applications.

  9. Question: What is the typical feedback voltage of LM3503ITL-44/NOPB?
    Answer: The typical feedback voltage of LM3503ITL-44/NOPB is 0.2V.

  10. Question: Is LM3503ITL-44/NOPB available in a surface-mount package?
    Answer: Yes, LM3503ITL-44/NOPB is available in a surface-mount package.