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L78L15ACZ-TR
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L78L15ACZ-TR

Product Overview

Category

The L78L15ACZ-TR belongs to the category of linear voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

  • Linear voltage regulator
  • Fixed output voltage of 15V
  • Maximum output current of 100mA
  • Low dropout voltage
  • Thermal overload protection
  • Short-circuit protection

Package

The L78L15ACZ-TR comes in a TO-92 package, which is a small, three-lead plastic package.

Essence

The essence of the L78L15ACZ-TR is to provide a stable and regulated output voltage of 15V for various electronic applications.

Packaging/Quantity

The L78L15ACZ-TR is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 17V to 30V
  • Output Voltage: 15V (fixed)
  • Output Current: Up to 100mA
  • Dropout Voltage: 2V (maximum)
  • Line Regulation: ±0.4% (typical)
  • Load Regulation: ±0.5% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78L15ACZ-TR has three pins:

  1. Input (VIN): This pin is connected to the input voltage source.
  2. Ground (GND): This pin is connected to the ground reference.
  3. Output (VOUT): This pin provides the regulated output voltage of 15V.

Functional Features

  • Regulates and stabilizes the output voltage to 15V.
  • Provides thermal overload protection, preventing damage due to excessive temperature.
  • Offers short-circuit protection, safeguarding the circuit from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

  • Simple and easy to use.
  • Provides a stable output voltage.
  • Offers thermal and short-circuit protection.
  • Suitable for low-power applications.

Disadvantages

  • Limited maximum output current (100mA).
  • Dropout voltage may cause power dissipation in certain applications.

Working Principles

The L78L15ACZ-TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 15V.

Detailed Application Field Plans

The L78L15ACZ-TR can be used in various electronic applications, including but not limited to: - Power supply circuits - Battery-powered devices - Audio amplifiers - Instrumentation systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the L78L15ACZ-TR are: - LM7815: A popular linear voltage regulator with similar specifications. - MC78L15: Another commonly used linear voltage regulator with a fixed 15V output. - UA7815: A reliable linear voltage regulator suitable for various applications.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L78L15ACZ-TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L78L15ACZ-TR in technical solutions:

  1. Q: What is the L78L15ACZ-TR? A: The L78L15ACZ-TR is a voltage regulator IC that provides a fixed output voltage of +15V.

  2. Q: What is the input voltage range for the L78L15ACZ-TR? A: The input voltage range for the L78L15ACZ-TR is typically between 17V and 35V.

  3. Q: What is the maximum output current of the L78L15ACZ-TR? A: The maximum output current of the L78L15ACZ-TR is 100mA.

  4. Q: Can the L78L15ACZ-TR be used to regulate lower voltages, such as +12V? A: No, the L78L15ACZ-TR is specifically designed to provide a regulated output voltage of +15V.

  5. Q: Is the L78L15ACZ-TR suitable for use in automotive applications? A: Yes, the L78L15ACZ-TR is designed to operate in automotive environments and can handle the required voltage and temperature ranges.

  6. Q: Does the L78L15ACZ-TR require any external components for operation? A: Yes, the L78L15ACZ-TR requires input and output capacitors for stability and filtering purposes.

  7. Q: What is the thermal resistance of the L78L15ACZ-TR? A: The thermal resistance of the L78L15ACZ-TR is typically around 50°C/W.

  8. Q: Can the L78L15ACZ-TR be used in parallel to increase the output current? A: No, the L78L15ACZ-TR is not designed for parallel operation. Using multiple regulators in parallel can cause stability issues.

  9. Q: Can the L78L15ACZ-TR handle short-circuit conditions? A: Yes, the L78L15ACZ-TR has built-in protection features that allow it to handle short-circuit conditions without damage.

  10. Q: Is the L78L15ACZ-TR available in different package options? A: Yes, the L78L15ACZ-TR is available in a TO-92 package, which is a common through-hole package, and also in surface mount packages like SOT-89 and DPAK.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the L78L15ACZ-TR.