MPQ2451GT-5-AEC1-Z

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PMIC (Power Management Integrated Circuits) refers to the power device with integration and high degree. A Voltage regulator is a device used to maintain a required voltage level. DC-DC Switching regulator is one kind of Voltage regulators that use an electronic switching regulator integrated circuit (IC) to convert a source of direct current (DC) from one voltage level to another, such as MPQ2451GT-5-AEC1-Z. The MPQ2451GT-5-AEC1-Z is a synchronous switching DC-DC regulator made for applications such as computing, networking, DC system power and consumer electronics. It provides an excellent transient response from a low no-load supply current. It contains an internal high-side and low-side MOSFET switch, error amplifier, non-overlap control, reference voltage and current limit waveform generation circuits, and a frequency foldback circuit.This DC-DC regulator mainly consists of three components: an operating amplifier, a switch and a pair of feedback components. The operating amplifier is the core device of this regulator. It is responsible for finding the ideal switching frequency and duty cycle tools to deliver the output voltage. The switch, typically a FET, is used to switch between two different voltage.Throughout working process, the MPQ2451GT-5-AEC1-Z is enabled by a logic level high signal, allowing it to switch the power flow from input voltage to the output voltage. Starting from here, the DC-DC regulator measures the output voltage, comparing to the reference voltage set by the error amplifier. If the output voltage is lower than the reference voltage, the error amplifier will send a signal to the switch coupling circuit and increase the time spent in the on-state, thus increasing the output voltage. On the contrary, if the output voltage is higher than the reference voltage, a signal is sent to the switch coupling circuit and decrease the time spent in the on-state, and the output voltage will be decreased as a result.The MPQ2451GT-5-AEC1-Z provides wide input voltage range that can be applied depending on the actual application and different available configurations, such as allowing the use of either a voltage sense or discrete output voltage feedback connection and with/without a power good signal. This DC-DC regulator is ideal for applications such as notebooks, tablets, digital SLR cameras, drones, 3D printers, power adapters and medical equipment. Its features include selectable switching frequency, foldback current protection, low noise through optimized frequency synchronization, advanced current mode control, peak current mode control with periodic current-limit transient and simple external user-friendly setting.In addition, MPQ2451GT-5-AEC1-Z has excellent performance in terms of efficiency, output quality and thermal performance. It is designed to withstand high temperature and supplies cool and reliable operation for sustainable performance. Its low no-load supply current, low RDS(ON) and good light load efficiency are great advantages for any application.Thanks for the combination of the operating amplifier, switch, reference voltage, feedback components and error amplifier of the MPQ2451GT-5-AEC1-Z, it can be used to maintain an accurate, stable voltage from its input to its output. Through its high efficiency and low output ripple, MPQ2451GT-5-AEC1-Z can be considered as a viable choice in the DC-DC switching regulator.

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