MP2227DQ-LF-P

Voltage - Input (Max):	24V
Supplier Device Package:	10-QFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.3MHz
Current - Output:	3A
Voltage - Output (Max):	21.6V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Regulators

The MP2227DQ-LF-P is a DC DC switching regulator manufactured by Monolithic Power Systems (MPS) which is widely used in consumer and industrial applications. This device supports fixed-frequency, pulse-width modulation (PWM) current-mode control to regulate output voltages. The MP2227DQ-LF-P also employs step-down topology with see-through package for low profile designs.

Application Field

The MP2227DQ-LF-P is ideal for applications requiring a high efficiency and low power electronic design. It can be used in DC-DC power-supply applications and in high voltage/high current low-voltage systems. The MP2227DQ-LF-P is also suitable for tablet and other portable equipment, telecommunications, networked systems, automotive infotainment, industrial automation and more.

Working Principle

The MP2227DQ-LF-P is a current-mode pulse-width modulation (PWM) switching regulator that utilizes an integrated insulated gate bipolar transistor (IGBT) switching element and a high energy storage inductor to produce a fixed output voltage. The MP2227DQ-LF-P also features an integrated fast-start feature, which allows for higher accuracy and speed of output voltage control.The PWM controller operates on a fixed frequency and uses the current-mode control, enabling the MP2227DQ-LF-P to maintain a constant current from the output stage. The switching frequency is determined by the external resistors and capacitor components, and is typically in the range of 1-1.5 MHz. The MP2227DQ-LF-P also has an integrated internal adjustable soft-start circuit, which reduces initial inrush current and maintains a stable output voltage after start-up.The MP2227DQ-LF-P features a single-stage power circuit design, with a unique see-through package. This package allows designers to increase the efficiency of the switching regulator by reducing the thermal losses that occur when heat is lost through the substrate.Additionally, the MP2227DQ-LF-P device has an adjustable over-current protection circuit that monitors the output current and shuts down the device if the current exceeds a certain level. The MP2227DQ-LF-P also features an integrated over-voltage protection circuit that prevents output voltage overshoot. With its wide range of features, the MP2227DQ-LF-P is the ideal choice for applications demanding a high-efficiency, low-power electronic design. It is an economical solution for applications where performance and compact design are essential.

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