Rohm Semiconductor
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BA178M15T
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BA178M15T

Product Overview

Category

The BA178M15T belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Input Voltage Range: 16V - 35V
  • Output Voltage: 15V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 2V
  • Operating Temperature Range: -40°C to +125°C
  • Package Type: TO-220
  • Mounting Style: Through Hole

Package

The BA178M15T comes in a TO-220 package, which provides mechanical support and thermal dissipation.

Essence

This voltage regulator is designed to provide a stable output voltage of 15V regardless of input voltage fluctuations.

Packaging/Quantity

The BA178M15T is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 16V - 35V
  • Output Voltage: 15V
  • Output Current: 1.5A
  • Dropout Voltage: 2V
  • Line Regulation: ±0.2%
  • Load Regulation: ±0.4%
  • Ripple Rejection Ratio: 60dB
  • Quiescent Current: 10mA
  • Thermal Resistance: 50°C/W

Detailed Pin Configuration

The BA178M15T has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High output current capability of 1.5A enables it to power various electronic components.
  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • Excellent line and load regulation provide stable output voltage under varying conditions.
  • Good ripple rejection ratio minimizes the impact of input voltage fluctuations on the output.

Advantages

  • Robust and reliable performance in a wide temperature range (-40°C to +125°C).
  • TO-220 package allows for easy mounting and heat dissipation.
  • Low quiescent current helps conserve power in standby mode.
  • Compact design suitable for space-constrained applications.

Disadvantages

  • Dropout voltage of 2V may limit its use in low voltage applications.
  • Limited output current of 1.5A may not be sufficient for high-power devices.

Working Principles

The BA178M15T utilizes 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.

Detailed Application Field Plans

The BA178M15T is commonly used in various electronic systems, including:

  1. Power supplies for industrial equipment.
  2. Automotive electronics.
  3. Audio amplifiers.
  4. Battery charging circuits.
  5. Voltage regulators in microcontroller-based systems.

Detailed and Complete Alternative Models

  1. LM7815: Similar specifications and pin configuration, available in different package types.
  2. MC7815: Equivalent voltage regulator with comparable characteristics.
  3. UA7815: Alternative model with similar functionality and pinout.

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

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van BA178M15T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of BA178M15T in technical solutions:

  1. Q: What is BA178M15T? A: BA178M15T is a specific model or type of component used in technical solutions, specifically in electronic circuits.

  2. Q: What is the purpose of BA178M15T? A: The purpose of BA178M15T is to regulate voltage in electronic circuits, ensuring a stable output of 15 volts.

  3. Q: Can BA178M15T be used in both AC and DC circuits? A: No, BA178M15T is designed for use in DC (Direct Current) circuits only.

  4. Q: What is the maximum current that BA178M15T can handle? A: BA178M15T has a maximum current rating of X amperes (please refer to the datasheet for the exact value).

  5. Q: Is BA178M15T suitable for high-power applications? A: No, BA178M15T is typically used in low to medium power applications. For high-power applications, other components may be more suitable.

  6. Q: Can BA178M15T be used in automotive applications? A: Yes, BA178M15T can be used in automotive applications as long as the voltage and current requirements are within its specifications.

  7. Q: Does BA178M15T require any external components for operation? A: Yes, BA178M15T may require additional capacitors and resistors for stability and filtering purposes. Refer to the datasheet for the recommended circuit configuration.

  8. Q: Can BA178M15T tolerate input voltage fluctuations? A: Yes, BA178M15T has built-in voltage regulation capabilities, allowing it to handle certain input voltage fluctuations within its specified range.

  9. Q: Is BA178M15T available in different package sizes? A: Yes, BA178M15T is available in various package sizes such as TO-220, SOT-223, etc. Choose the package size that suits your application and PCB layout requirements.

  10. Q: Are there any specific precautions to consider when using BA178M15T? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive input voltage, and adhering to the manufacturer's recommended operating conditions.