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BA178M20T

BA178M20T Description

The BA178M20T is a linear voltage regulator designed by Rohm Semiconductor, offering a fixed output voltage of 20V and a maximum output current of 500mA. This regulator is housed in a through-hole TO220FP package, making it suitable for a variety of applications requiring reliable power management. With a maximum input voltage of 33V and a dropout voltage of 2V at 500mA, the BA178M20T ensures efficient power regulation even under varying load conditions. The regulator features a quiescent current of 4.5mA and a supply current of up to 6mA, contributing to its overall efficiency. The BA178M20T also boasts a power supply rejection ratio (PSRR) of 58dB at 120Hz, ensuring minimal noise and ripple in the output voltage.

BA178M20T Features

• Fixed Output Voltage: The BA178M20T provides a stable 20V output, making it ideal for applications requiring a consistent power supply.
• High Output Current: With a maximum output current of 500mA, this regulator can efficiently power a wide range of electronic devices.
• Low Dropout Voltage: The 2V dropout voltage at 500mA ensures high efficiency, especially in applications with tight voltage margins.
• Low Quiescent Current: A quiescent current of 4.5mA minimizes power consumption during standby, enhancing overall system efficiency.
• High PSRR: The 58dB PSRR at 120Hz ensures minimal noise and ripple in the output voltage, maintaining signal integrity.
• Through-Hole Packaging: The TO220FP package is robust and easy to integrate into various circuit designs.
• Compliance and Status: The BA178M20T is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. However, it is marked as "Not For New Designs," indicating it may be phased out in favor of newer models.

BA178M20T Applications

The BA178M20T is well-suited for a variety of applications where a stable and efficient power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as radios, amplifiers, and other audio equipment that require a stable 20V supply.
• Industrial Control Systems: Suitable for powering sensors, actuators, and control modules in industrial environments.
• Telecommunications: Can be used in communication equipment where a reliable power source is crucial for maintaining signal integrity.
• Automotive Electronics: Applicable in automotive systems where a fixed voltage supply is needed for various electronic components.

Conclusion of BA178M20T

The BA178M20T is a robust linear voltage regulator that offers a stable 20V output and a maximum output current of 500mA. Its low dropout voltage and high PSRR make it an efficient choice for applications requiring minimal noise and ripple. The through-hole TO220FP package ensures easy integration into various circuit designs. While marked as "Not For New Designs," the BA178M20T remains a reliable option for existing projects and legacy systems. Its compliance with REACH and RoHS3 standards ensures it meets environmental and regulatory requirements. For applications requiring a stable and efficient power supply, the BA178M20T is an excellent choice.