SI91872DMP-12-E3

Current - Output:	300mA
Base Part Number:	SI91872
Supplier Device Package:	PowerPAK® MLP33-5
Package / Case:	PowerPAK® MLP33-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	60dB ~ 30dB (1kHz ~ 100kHz)
Current - Supply (Max):	330µA
Current - Quiescent (Iq):	170µA
Series:	--
Voltage Dropout (Max):	0.57V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Linear voltage regulators (LVRs) are one of the fundamental devices used in power management systems. They are used to convert fluctuating power levels into stable voltage outputs and to regulate output voltage levels to match the device supply requirements. The SI91872DMP-12-E3 is a Linear Voltage Regulator (LVR), which is designed to provide a stable operating voltage for a variety of applications.The SI91872DMP-12-E3 is a low-dropout regulator with an operating voltage range of 5V to 15V and a maximum output current of 3 Amps. It uses an external voltage reference to set the output voltage, which can be adjusted between 1.23V and 13.1V. The device is designed to tolerate high current surges, which is useful in applications where large capacitive loads need to be handled. It is also capable of providing low ripple and noise levels due to its extended bypass capacitance.The SI91872DMP-12-E3 features a variety of protection features including overcurrent protection and thermal shutdown. It also has a built-in EMC protection feature, which helps to reduce EMI interference. The device is packaged in a compact SOT-23-6 package and is designed for easy PCB layout.The SI91872DMP-12-E3 is suitable for use in a wide range of applications. It is particularly useful in automotive and industrial applications, where reliable power supply is required. It can be used in applications such as automotive lighting and displays, in power mains and power inverters, as well as in mobile phones, laptops and other portable electronics.The SI91872DMP-12-E3 works on the principle of a series voltage regulator. It can be used in a linear voltage regulation circuit, in which a feedback loop is used to control the output voltage. The feedback loop consists of the source voltage, the reference voltage and the sense resistor. The source voltage is the input voltage. The reference voltage is the target output voltage. The sense resistor is used to monitor the output voltage. When the voltage at the output rises above the reference voltage, the device turns off until the output voltage drops below the reference voltage. This process is repeated until the output voltage is maintained at the reference voltage.In order to maximize the performance of the SI91872DMP-12-E3, it should be used with a suitable power supply, such as a switch mode power supply or a linear voltage regulator. The device is also capable of operating at lower input voltages, making it suitable for battery-powered applications. In addition, the device is designed for applications requiring low noise and low ripple, which makes it ideal for audio applications.The SI91872DMP-12-E3 is an ideal solution for a wide range of applications. Not only is it capable of providing a stable voltage output, but also it features protection features and low ripple, making it suitable for a variety of applications. Its compact package, EMC protection and adjustable output voltage make it an ideal choice for many designs.

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