MP2351DK-LF-P

Voltage - Input (Max):	23V
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.4MHz
Current - Output:	1.5A
Voltage - Output (Max):	16V
Voltage - Output (Min/Fixed):	1.23V
Series:	--
Voltage - Input (Min):	4.75V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MP2351DK-LF-P application field and working principle

Introduction:MP2351DK-LF-P is a dual output, high-efficiency power management integrated circuit (PMIC). It integrates the functions of several other components, such as voltage regulator and switching converters, thus reducing the design time and board space and increasing system reliability. This makes it an ideal choice for space-constrained and high-efficiency applications such as mobile phones, tablets, and other portable devices.What is MP2351DK-LF-P DC/DC Switching Regulator? The MP2351DK-LF-P is a high-efficiency DC/DC Switching Regulator with a highly programmable power track that is optimized to deliver up to 3A of continuous current to the main output, and up to 0.5A of continuous current to the LDO output. The MP2351DK-LF-P has over-voltage, over-current, over-temperature and short-circuit protection functions built into the device, which makes it a reliable solution for a variety of mobile applications. In addition, the device also features a low power standby mode and a fast response to load transients.The MP2351DK-LF-P utilizes a current-mode control architecture, which means that the output voltage is regulated at a given current level. This means that the MP2351DK-LF-P is able to reduce power usage and switch more efficiently, which results in improved power efficiency.Application Fields: The MP2351DK-LF-P is ideally suited for applications such as mobile phones, tablets, and other portable electronic devices. It is also suitable for applications where limited space, high efficiency, and reliable power management is needed. Examples of such applications include laptop computers, point of sale terminals, and medical instrumentation.Working Principle:The MP2351DK-LF-P is a current mode DC/DC switching regulator, which means that the output voltage is regulated at a given current level. The MP2351DK-LF-P has a maximum output voltage of 5V, and a minimum output voltage of 0.6V. To maintain a constant output voltage, the MP2351DK-LF-P adjusts the switching frequency and duty cycle of the oscillator according to the load.The MP2351DK-LF-P utilizes over-voltage protection and current limiting functions to protect the device from being damaged due to excessive input or output voltage. The device also has an internal discharge circuit which discharges the output voltage to a safe level when the power is turned off.In addition, the MP2351DK-LF-P provides an integrated soft-start function which helps reduce output voltage inrush current and prevents overshoot when the load is changed.Conclusion: The MP2351DK-LF-P is an ideal choice for a wide range of mobile applications. It is a high-efficiency DC/DC switching regulator capable of delivering up to 3A of continuous current to the main output, and up to 0.5A of continuous current to the LDO output. It has several features built into the device, such as over-voltage protection, over-current protection, over-temperature protection, and a soft-start function, which makes it a reliable solution for a variety of mobile applications where space, power efficiency and reliable power management are required.

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