MC33375ST-3.0T3

Current - Output:	300mA
Base Part Number:	MC33375
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	75dB (120Hz)
Current - Quiescent (Iq):	200µA
Series:	--
Voltage Dropout (Max):	0.5V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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Part Status:	Obsolete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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What Is MC33375ST-3.0T3?The MC33375ST-3.0T3 is an adjustable linear voltage regulator device from Freescale Semiconductor. It is a three-terminal adjustable voltage regulator, featuring internal current and temperature limits. It has a wide range of applications, including motor control, maximum current control, and temperature sensing and control. The MC33375ST-3.0T3 features external services such as power on reset, soft start, voltage monitor, current limit warning, line regulation signal, short circuit protection, and thermal protection.Application Field of MC33375ST-3.0T3This MC33375ST-3.0T3 is one of the most popular voltage regulator devices available on the market. It is versatile and has numerous uses in both industrial and consumer applications.The device is ideal for use in power system design, voltage measurement, and power conversion. Its wide operating temperature range makes it suitable for use in automotive, telecom, and medical applications. It is also suitable for use as an adjustable power source for general purpose industrial and consumer applications.In automotive applications, the MC33375ST-3.0T3 can be used to control the power supply and steady the engine speed. It can also be used to provide a reliable supply of power for lighting systems, sensors, and thermostats. In addition, the MC33375ST-3.0T3 can be used to control the current and voltage in power supplies for communication and control systems. It can serve as an adjustable voltage source for industrial and consumer applications.The Working Principle of MC33375ST-3.0T3The MC33375ST-3.0T3 is a linear voltage regulator that uses a voltage divider principle to maintain an adjustable output voltage of ±2%. The voltage is monitored by an external sensing pin and compared to a reference voltage generated internally.If the monitored output voltage is higher than the reference voltage, the regulator decreases the output voltage. Conversely, if the output voltage is lower than the reference voltage, the regulator increases the output voltage. It then adjusts the output current limit in order to maintain the desired output voltage.The voltage feedback network of the MC33375ST-3.0T3 features an integrated reset circuit that senses the rising edge of the output voltage and initiates soft-start. The internal current and temperature limits help protect the device and ensure operation reliability.ConclusionThe MC33375ST-3.0T3 is an adjustable linear voltage regulator that is suitable for a variety of applications. It is ideal for use in power system design, voltage measurement, and power conversion. Its wide operating temperature range, external services, and integrated reset circuit make it suitable for use in automotive, telecom, medical, power supply for communication, and industrial applications. Its working principle is based on a voltage divider principle and an internal reference voltage. The internal current and temperature limit helps protect the device and ensures reliable operation.

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