MP1540DJ-LF-P Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Up
Output Configuration:	Positive
Topology:	Boost
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	2.5V
Voltage - Input (Max):	6V
Voltage - Output (Min/Fixed):	3V
Voltage - Output (Max):	18V
Current - Output:	200mA
Frequency - Switching:	1.3MHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:	TSOT-23-5

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MP1540DJ-LF-P is a type of DC-DC switching regulator from the PMIC (Power Management IC) family of Voltage Regulators. It is a synchronous step-down DC-DC converter with three fixed voltage output options of 3.3V, 5V, and 12V. The MP1540DJ-LF-P supports wide input voltage range from 4.5V to 40V, making it ideal for a variety of automotive, industrial, medical and consumer applications. It also features a low quiescent current at 1.6mA and low-output ripple noise at 5mV, providing excellent power supply regulation and efficiency.The MP1540DJ-LF-P is a non-synchronous buck converter, meaning it operates in non-pulsed mode at a fixed output voltage. It regulates an input voltage to a lower output voltage by taking a small portion of the incoming power at predetermined amounts. When the input voltage exceeds the output voltage, the inductor stores electrical energy and releases it gradually, regulating the output current until the desired output voltage is reached. It also includes a slew rate control which helps minimize the input voltage when switching the current from the inductor to the output capacitors.The MP1540DJ-LF-P offers over-voltage and over-current protection as well as thermal overload protection to ensure the device runs safely without damaging other components. It also includes a soft-start feature to limit inrush current on startup and improve system stability. This helps extend the life of the switching device and other system components.The MP1540DJ-LF-P has a wide range of automotive and industrial applications due to its wide input voltage range, low quiescent current, and low-output ripple noise. It is well-suited for automotive instrumentation systems, emergency lighting systems, and industrial process control systems, among others. It is also suitable for use in consumer electronic devices such as medical equipment, laptops, and IP cameras due to its small size and low power consumption.In conclusion, the MP1540DJ-LF-P is a DC-DC switching regulator from the PMIC family of Voltage Regulators. It has a wide input voltage range and low quiescent current, making it ideal for a variety of automotive, industrial, medical, and consumer applications. It also offers over-voltage and over-current protection as well as a slew rate control to minimize input voltage and improve power supply regulation and efficiency. With its small size and low power consumption, the MP1540DJ-LF-P is a great choice for applications requiring efficient and reliable power management.

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