MIC69302WU

Current - Output:	3A
Base Part Number:	MIC69302
Supplier Device Package:	TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	75mA
Current - Quiescent (Iq):	5mA
Series:	--
Voltage Dropout (Max):	0.5V @ 3A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	0.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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The MIC69302WU is an Integrated Low Dropout (LDO) device that is often used in telecommunications, computer and control system applications to supply the necessary regulated voltage for the implementation of those systems. This type of integrated circuit, or IC, is classified as a “linear voltage regulator” because its output is regulated such that it maintains a constant output voltage regardless of changes in input voltage or load. This linear regulator is found in a wide range of applications from highly sensitive medical devices to industrial and military applications requiring reliable voltage regulation. The MIC69302WU is a highly integrated linear voltage regulator which incorporates an LDO, along with active current limit, thermal shutdown and on/off control. This LDO provides excellent power supply rejection ratio (PSRR) even at very low input voltages, allowing it to perform reliably under varying environmental conditions of temperature, humidity and input voltage. The on/off control pin allows the part to be enabled or disabled as required, allowing it to be used in applications needing low quiescent power dissipation. The current limit pin ensures that the part stays within its specified output current, allowing it to be used in applications needing high output current capability. The MIC69302WU is supplied in a four-pin TO-220 package. It provides up to 1.5A of output current with an output voltage range from 0.8V to 20V. It requires an input voltage of between 1.8V and 25V and its output stabilization time is typically less than 0.25ms. The quiescent current of this linear regulator is typically 50μA and the output noise is less than 20mV RMS. It comes with a guaranteed minimum PSRR of 70dB from 0.1Hz to 10MHz. The working principle of the MIC69302WU linear voltage regulator can be simplified by imagining this device as functioning as a sophisticated switch. When the voltage at the input pin VIN is higher than the desired output voltage at the output pin VOUT, the internal switch inside the regulator is closed and a path is established between VIN and VOUT. This path is used by the current to flow from VIN to VOUT, allowing the regulator to provide the required regulated output. The output voltage is regulated by controlling the resistance inside the regulator, which allows the current to flow when the desired voltage is reached, and shuts off the current when the voltage reaches the desired output voltage. In conclusion, the MIC69302WU linear regulator is a highly integrated LDO device that offers excellent PSRR even at low input voltages, making it suitable for a wide range of applications from medical to industrial and military. The device is supplied in a four-pin TO-220 package and requires an input voltage of between 1.8V and 25V with an output voltage range from 0.8V to 20V, and offers output current capability of up to 1.5A. Its working principle can be simplified by understanding it as a sophisticated switch, controlling the resistance inside the regulator to reach the desired output voltage. With its wide range of features and benefits, the MIC69302WU is an excellent choice for any application needing reliable power regulation.

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