MPQ4456GQT-Z

Voltage - Input (Max):	36V
Supplier Device Package:	10-TQFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	Up to 4MHz
Current - Output:	1A
Voltage - Output (Max):	36V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	3.8V
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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PMIC - Voltage Regulators - DC DC Switching Regulators

The MPQ4456GQT-Z is an advanced, multi-purpose power management IC that offers a wide range of features for controlling DC-DC switching operation in multiple voltage regulator systems. It provides power conversion and control solutions to create a wide range of DC/DC operating configurations with fewer components, higher efficiency, and greater reliability. The MPQ4456GQT-Z is designed to withstand the environmental and physical stresses of industrial and automotive applications and comes in a compact quad flat package.

Application Field and Working Principle

The MPQ4456GQT-Z is designed to provide multiple voltage outputs through a number of different switch configurations. This allows it to be used in a wide range of applications, including adjustable voltage regulator for digital signal processors, power supplies for portable electronics, and stage power systems for automobile electronics. It also provides a wide range of monolithic switching regulators for a variety of supplies, from low-noise linear power supplies to switcher supplies for telecom applications and industrial automation systems.It is also highly suitable for board level point-of-load power supplies such as gate drives, general DC monitoring and control systems and LCD displays. This all-in-one device is extremely efficient, with a lower on-resistance than a single discrete transistor, and the ability to synchronize with various voltage controllers and PWM controllers to suit multiple system applications. The MPQ4456GQT-Z works on a synchronous rectification principle using a low side switch comprised of a P-channel MOSFET and an N-channel MOSFET connected in series. This configuration provides reduced conduction losses and increases device efficiency, allowing the power supply to use switch mode technology rather than a linear output regulation. The device has an input voltage range of up to 45V DC, a maximum output voltage of about 5V DC, and an input frequency range of between 7.2 kHz and 5.0 MHz, making it one of the most efficient DC to DC switching regulators on the market.The internal response time of the MPQ4456GQT-Z is extremely fast and accurate, with a settling time of less than 20 microseconds and a response time down to 50 nanoseconds, allowing it to quickly adjust to changing input voltage and output current levels. The MPQ4456GQT-Z is capable of driving loads of up to 3A and is also designed to support over current protection, temperature sensing and thermal control.

Conclusion

The MPQ4456GQT-Z is a versatile and efficient power management IC for a wide range of applications. Its advanced switch mode technology provides fast response times and accurate voltage regulation in industrial, consumer, and automotive applications. The device’s synchronous rectification principle provides low conduction losses, increasing device efficiency and reducing power consumption. Its wide input voltage range, fast response time and flexible control options make it an excellent choice for multiple DC-DC switching applications.

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