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L79L15ACD13TR
বিস্তারিত দেখুন ডেটাশিট

L79L15ACD13TR

Basic Information Overview

  • Category: Voltage Regulator
  • Use: To regulate and stabilize voltage in electronic circuits
  • Characteristics:
    • Low dropout voltage
    • High output current capability
    • Thermal shutdown protection
  • Package: TO-252 (DPAK)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

  • Input Voltage Range: -35V to -17V
  • Output Voltage: -15V
  • Output Current: Up to 100mA
  • Dropout Voltage: 1.5V (typical)
  • Quiescent Current: 4mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L79L15ACD13TR has three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference of the circuit. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

  • Voltage Regulation: The L79L15ACD13TR ensures a stable output voltage of -15V regardless of input voltage fluctuations.
  • Low Dropout Voltage: With a dropout voltage of only 1.5V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
  • Thermal Shutdown Protection: In case of excessive temperature, the device automatically shuts down to prevent damage.
  • Short Circuit Protection: The regulator is designed to withstand short circuits on the output, protecting the circuitry connected to it.

Advantages and Disadvantages

Advantages: - Compact package size - High output current capability - Low dropout voltage - Thermal shutdown protection

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

Working Principles

The L79L15ACD13TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage (-15V) with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The L79L15ACD13TR is commonly used in various electronic applications, including: 1. Power supply circuits for industrial equipment 2. Automotive electronics 3. Audio amplifiers 4. Battery-powered devices 5. Instrumentation systems

Detailed and Complete Alternative Models

  1. LM7915: Similar characteristics and pin configuration, but available in different package options.
  2. MC79L15: Equivalent performance with slight variations in specifications.
  3. UA7915: Comparable voltage regulator with similar features and pinout.

These alternative models can be considered based on specific requirements and availability.

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প্রযুক্তিগত সমাধানে L79L15ACD13TR এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

Sure! Here are 10 common questions and answers related to the application of L79L15ACD13TR in technical solutions:

1. What is L79L15ACD13TR? - L79L15ACD13TR is a voltage regulator IC that provides a fixed output voltage of -15V.

2. What is the input voltage range for L79L15ACD13TR? - The input voltage range for L79L15ACD13TR is typically between -35V and -20V.

3. What is the maximum output current of L79L15ACD13TR? - The maximum output current of L79L15ACD13TR is 100mA.

4. Can L79L15ACD13TR be used in both AC and DC applications? - Yes, L79L15ACD13TR can be used in both AC and DC applications.

5. Is L79L15ACD13TR suitable for low-power applications? - Yes, L79L15ACD13TR is commonly used in low-power applications due to its low quiescent current.

6. Does L79L15ACD13TR require any external components for operation? - Yes, L79L15ACD13TR requires an input capacitor and an output capacitor for stable operation.

7. What is the typical dropout voltage of L79L15ACD13TR? - The typical dropout voltage of L79L15ACD13TR is around 2V.

8. Can L79L15ACD13TR handle short-circuit conditions? - No, L79L15ACD13TR does not have built-in short-circuit protection. External measures should be taken to prevent short circuits.

9. Is L79L15ACD13TR suitable for automotive applications? - Yes, L79L15ACD13TR is commonly used in automotive applications due to its wide temperature range and robustness.

10. Can multiple L79L15ACD13TR ICs be connected in parallel for higher output current? - Yes, multiple L79L15ACD13TR ICs can be connected in parallel to increase the overall output current capacity. However, proper thermal management should be considered.