MP3418GJ-P

Voltage - Input (Max):	4V
Supplier Device Package:	TSOT-23-8
Package / Case:	SOT-23-8 Thin, TSOT-23-8
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.2MHz
Current - Output:	300mA (Switch)
Voltage - Output (Max):	4V
Voltage - Output (Min/Fixed):	1.8V
Series:	--
Voltage - Input (Min):	0.6V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MP3418GJ-P Application Field and Working Principle

MP3418GJ-P is a DC/DC Switching Regulator in the product family of PMIC - Voltage Regulators. It is a high-performance synchronous buck regulator, which features a 1.5MHz switching frequency and a wide VIN range of 4V-18V for battery-powered applications. Furthermore, its high operating efficiency can provide up to 1A output current and maximum 96% efficiency. It also offers low quiescent current.

MP3418GJ-P Applications

The MP3418GJ-P is most commonly used in various battery-powered devices. It is suitable for industrial and consumer applications, including security systems, digital media players, and game consoles. Furthermore, it can also be used in automotive applications such as Central Body Controllers (CBCs), or in powering On-Board Diagnostics (OBD) modules, display modules, and front-end modules for communication, such as 3G and 4G systems.

MP3418GJ-P Features and Benefits

The MP3418GJ-P is an ideal choice as it offers small space and high efficiency. Furthermore, with its wide input voltage range, over current protection, and over temperature protection, it ensures safe operation even in worst-case conditions. Moreover, due to its fast response and low output ripple and noise, it can deliver a smooth power conversion with minimal voltage overshoot. With its high switching frequency of 1.5MHz, it can provide small inductors and capacitors, resulting in small component size, easy implementation and lower cost.

MP3418GJ-P Working Principle

The MP3418GJ-Ping operates as a synchronous buck regulator, and it works by converting and regulating the input voltage to the desired output voltage. When the device is active, it switches the power MOSFETS at the specified frequency, allowing for a current to continuously flow from the input voltage to the output voltage. In the current path, the current flows from the input voltage to the MOSFET, from the MOSFET to the inductor and then to the output filter capacitor. Once the current passes the filter capacitor, it flows through the output voltage to ground. The conversion of the input voltage to the desired output voltage is regulated by controlling two parameters: the pulse width modulation (PWM) and the operating frequency. The PWM is responsible for regulating the voltage of the output voltage. By adjusting the width of the PWM, the output voltage can be increased or decreased. Furthermore, the operating frequency is responsible for controlling the overall stability of the regulator. By using a higher switching frequency, a larger number of pulses is generated and the output voltage remains stable. Thus, by utilizing the two parameters, MP3418GJ-P is able to achieve the desired output voltage.

MP3418GJ-P Summary

In conclusion, the MP3418GJ-P is a high-performance DC/DC Switching Regulator in the product family of PMIC-Voltage Regulators. It is suitable for battery-powered devices and automotive applications, offering high efficiency and small size. It works by converting and regulating the input voltage to the desired output voltage by controlling two parameters; pulse width modulation (PWM) and operating frequency. Through combining these two parameters, MP3418GJ-P is able to deliver a stable output voltage for various applications.

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