MPQ4558DN-LF-Z

Voltage - Input (Max):	55V
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	Up to 2MHz
Current - Output:	1A
Voltage - Output (Max):	52V
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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MPQ4558DN-LF-Z: DC DC Switching Regulators

The MPQ4558DN-LF-Z is an integrated circuit that is classified as a DC DC switching regulator. It is a type of power management IC, or PMIC, and is suitable for use in a variety of applications, including automotive, industrial, and consumer electronics. The MPQ4558DN-LF-Z is capable of producing an output voltage range of 0.7V to 5.5V from an input voltage range of 2.7V to 16V. In its most basic form, the MPQ4558DN-LF-Z is a pulse width modulation (PWM) regulator. It works by enabling and disabling a transistor according to a given set of parameters, resulting in a control signal that can be used to control the output voltage. It also incorporates several additional features to ensure stability and minimize external components required (such as compensation components and inductors).At the heart of the MPQ4558DN-LF-Z are two PWM controllers, one for each output, that can be configured either independently or synchronously. Each controller then uses a low-side and high-side MOSFET to control the voltage on the output. There are also several protective features built in to protect against over current, over temperature, and over voltage.The MPQ4558DN-LF-Z also offers a wide range of features to increase efficiency and reduce power consumption. It features an adaptive on-time control, which maintains a constant switching frequency and dynamically adjusts the duty cycle of the output voltage. This helps to minimize switching losses and reduce dynamic power consumption. In addition, the MPQ4558DN-LF-Z also offers peak current mode control, which helps to optimize the efficiency of the power stage.Overall, the MPQ4558DN-LF-Z is a highly versatile PMIC that is suitable for use in a variety of applications. It offers a wide range of features to ensure stability and minimize external components required, and its adaptive on-time control and peak current mode control help to improve efficiency and reduce power consumption. The MPQ4558DN-LF-Z is suitable for use in automotive, industrial, and consumer electronics applications, and can be used to produce a range of output voltages.

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