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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기술 솔루션에 BA178M15T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

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.