MC33275D-5.0R2

Current - Output:	300mA
Base Part Number:	MC33275
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	75dB (120Hz)
Current - Quiescent (Iq):	200µA
Series:	--
Voltage Dropout (Max):	0.5V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	13V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to MC33275D-5.0R2 Voltage Regulator

The MC33275D-5.0R2 is a low-noise, low-dropout voltage regulator IC used to regulate the supply voltage of various electronic components and devices. It is designed to offer consistent and reliable performance while remaining highly sensitive to external factors. The IC is suitable for a wide range of application fields, including automotive, industrial, and medical applications. It is also capable of withstanding extreme environmental conditions, including shock and vibration.

Applications of the MC33275D-5.0R2 Voltage Regulator

The MC33275D-5.0R2 voltage regulator meets the requirements of a wide range of portable, automotive and industrial application fields. Its features make it suitable for a variety of applications, including:-

• Automotive application fields: Automotive lighting, motor control, power supplies, onboard diagnostics, dashboard instrumentation, and data transmission.


• Industrial application fields: Robotics, factory automation, and process control.


• Portable application fields: Cell phones, MP3 players, PDAs, and other small device power supplies.

Working Principle of the MC33275D-5.0R2 Voltage Regulator

The MC33275D-5.0R2 voltage regulator works by taking a high input voltage range and converting it to a stable and regulated output. The IC uses an advanced error amplifier, which ensures that the output voltage is always within the desired range. In addition, a low on-resistance MOSFET ensures low supply current and low noise levels. The MC33275D-5.0R2 also includes features such as current limiting, thermal protection, and short-circuit protection to ensure reliable operation.

The voltage regulator operates in three modes: current limiting, thermal protection, and short circuit protection. When the output current exceeds the current limit, the IC will enter current limiting mode and limit the output current to protect the system from damage. If the voltage regulator becomes too hot due to prolonged operation, the thermal protection mode will activate, reducing the output current and preventing the IC from overheating. When a short circuit occurs between the output and ground, the short circuit protection mode is activated, shutting down the regulator and protecting the system from damage.

Conclusion

The MC33275D-5.0R2 voltage regulator is a high-performance, low-noise, low-dropout voltage regulator IC that is suitable for a wide range of applications, including automotive, industrial, and portable applications. It operates in three modes, ensuring reliable and consistent performance in extreme environments. With its advanced error amplifier, low-on resistance MOSFET and protection features, the MC33275D-5.0R2 is an ideal choice for a variety of applications.

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