MIC29151-3.3BT

Voltage Dropout (Max):	0.6V @ 1.5A
Base Part Number:	MIC29151-3.3
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Transient Voltage
Control Features:	Enable
PSRR:	--
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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MIC29151-3.3BT Application Field and Working Principle

Linear voltage regulators are most widely used voltage control components, and widely used in the fields of battery-powered electronics, integrated circuits(ICs), microprocessors, etc. The MIC29151-3.3BT is one of the premier linear voltage regulators, widely used for its high accuracy, low noise, and wide operating temperature range. We will discuss below the application field and working principle of the MIC29151-3.3BT. The MIC29151-3.3BT is a low-dropout, three-terminal, 500mA linear regulator specifically designed for applications requiring precise output voltage control and very low quiescent current. Its features include extremely low ground current and an operating temperature range of -40°C to 125°C. The MIC29151-3.3BT is ideal for applications such as high-temperature datalogging, and portable and handheld electronic devices that require low noise and low power consumption.The MIC29151-3.3BT has a dropout voltage of only 90mV, which makes it ideal for applications with higher-current requirements and low input-to-output voltage headroom. This high-efficiency regulator also provides excellent protection from input voltage transients. The MIC29151-3.3BT also features adjustable soft-start, adjustable current limit, and over-temperature protected.The MIC29151-3.3BT\'s working principle is based on a positive feedback control loop. In a simplestthree-terminal linear voltage regulator, an output control loop is created using the output voltage, input voltage, and a feedback resistor. When the output voltage drops below the reference voltage, the control loop increases the drive current to the output transistor, thereby increasing the output voltage. As the output voltage reaches the reference voltage, the control loop drops the drive current, thereby maintaining the constant output. The MIC29151-3.3BT is designed with a fully-protected integrated circuit and current-limiting circuitry. This allows it to provide better transient response, improved thermal performance and superior regulation over a wide temperature range. The MIC29151-3.3BT has a minimum 2µA quiescent current and, when operated with output currents of up to 500mA in typical applications, an extremely low dropout voltage of just 90mV.To sum up, the MIC29151-3.3BT is a high-performance, low-dropout, three-terminal linear regulator specifically design for applications requiring precise output voltage controlwith very low quiescent current. It operates within a -40℃ to 125℃ temperature range, and features excellent protection from input voltage transients. The MIC29151-3.3BT also features adjustable soft-start, adjustable current limitation, and overtemperature protection. With its high accuracy and wide operating temperature range, the MIC29151-3.3BT is the perfect choice for applications requiring precise output voltage control.

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