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L78L05ABUTR
বিস্তারিত দেখুন ডেটাশিট

L78L05ABUTR

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low-dropout, 5V output
  • Package: SOT-89
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Input Voltage Range: 7V to 35V
  • Output Voltage: 5V
  • Output Current: 100mA
  • Dropout Voltage: 2V
  • Quiescent Current: 4.5mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78L05ABUTR has three pins:

  1. Input (Vin): Connects to the input voltage source.
  2. Ground (GND): Connected to the ground reference.
  3. Output (Vout): Provides the regulated 5V output.

Functional Features

  • Low dropout voltage: The L78L05ABUTR can regulate the output voltage even when the input voltage is only slightly higher than the desired output voltage.
  • Short-circuit protection: The device includes internal current limiting and thermal shutdown features to protect against short circuits and excessive power dissipation.
  • Thermal overload protection: The regulator automatically shuts down if the temperature exceeds the safe operating range.
  • Wide input voltage range: The L78L05ABUTR can accept input voltages ranging from 7V to 35V, making it suitable for a variety of applications.

Advantages and Disadvantages

Advantages: - Compact package size - Low dropout voltage - Short-circuit and thermal protection - Wide input voltage range

Disadvantages: - Limited output current capacity (100mA) - Requires external capacitors for stability

Working Principles

The L78L05ABUTR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage (5V) with a fraction of the output voltage. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The L78L05ABUTR is commonly used in various electronic devices and applications, including: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices requiring a stable 5V supply - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. LM7805: This is a popular alternative from Texas Instruments with similar specifications and pin configuration.
  2. MC78L05: Another alternative from ON Semiconductor, offering comparable performance and compatibility.
  3. UA78L05: A voltage regulator from Fairchild Semiconductor, providing similar functionality and characteristics.

These alternatives can be considered based on availability, pricing, and specific application requirements.

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প্রযুক্তিগত সমাধানে L78L05ABUTR এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of L78L05ABUTR in technical solutions:

  1. Q: What is L78L05ABUTR? A: L78L05ABUTR is a voltage regulator IC that provides a fixed output voltage of 5V.

  2. Q: What is the maximum input voltage for L78L05ABUTR? A: The maximum input voltage for L78L05ABUTR is typically around 35V.

  3. Q: What is the maximum output current of L78L05ABUTR? A: The maximum output current of L78L05ABUTR is 100mA.

  4. Q: Can L78L05ABUTR be used to step down voltages other than 5V? A: No, L78L05ABUTR is specifically designed to provide a fixed 5V output.

  5. Q: Is L78L05ABUTR suitable for battery-powered applications? A: Yes, L78L05ABUTR can be used in battery-powered applications as it has low quiescent current consumption.

  6. Q: Does L78L05ABUTR require any external components for operation? A: Yes, L78L05ABUTR requires input and output capacitors for stability and noise filtering.

  7. Q: Can L78L05ABUTR handle short-circuit conditions? A: Yes, L78L05ABUTR has built-in protection features like thermal shutdown and current limiting to handle short-circuit conditions.

  8. Q: What is the operating temperature range of L78L05ABUTR? A: The operating temperature range of L78L05ABUTR is typically -40°C to +125°C.

  9. Q: Can L78L05ABUTR be used in automotive applications? A: Yes, L78L05ABUTR is suitable for automotive applications as it meets the required standards and has a wide operating temperature range.

  10. Q: Are there any alternatives to L78L05ABUTR for 5V voltage regulation? A: Yes, there are other voltage regulator ICs available in the market like LM7805, AMS1117-5.0, etc., which can also provide a fixed 5V output.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.