MP28223DD-LF-P

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active

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PMIC - Voltage Regulators - DC DC Switching Regulators

The MP28223DD-LF-P is a switching regulator designed for a wide variety of applications such as PCs, laptops and consumer electronics. It is a highly integrated, easy-to-use, small form factor solution that provides precision-controlled power conversion for a variety of system needs. The MP28223DD-LF-P is a dual output stepping down regulator and uses pulse width modulation (PWM) for efficient power conversion. The two outputs are individually adjustable and can be configured to run in parallel for higher current requirements.

Application Field

The MP28223DD-LF-P switching regulator is typically used for the power delivery and regulation of PC, laptop and consumer electronic products. It is also suitable for powering small- and medium-sized peripherals such as routers, displays, printers, and other devices. The device can handle a wide input voltage range and can be used as either a single-output or dual-output power supply.

Working Principle

The MP28223DD-LF-P switching regulator uses Pulse Width Modulation (PWM) to achieve efficient power conversion. It contains two integrated switches: a high-side and a low-side, which control the direction and duration of the current flow. This enables the device to regulate the output voltage and current independently and maintain a steady output over time. The device also contains an internal transistor to enhance EMI performance. The device has an on-chip current-mode Pulse Width Modulation (PWM) controller, which is used to adjust the PWM frequency. This is done by adjusting the voltage difference between the high-side and low-side switches. The PWM controller also controls the output voltage and current by automatically adjusting the duty cycle based on the target load. The device also contains independent current limit protection and short-circuit protection to ensure safety and reliability.

Ability to Adapt Different Applications

The MP28223DD-LF-P is highly configurable and can be used for a variety of applications, including: • Powers PCs, laptops, or consumer electronics • Powering small- and medium-sized peripherals such as routers, displays, and printers • Automatically adjusting output voltage and current based on target load • Adjusting the pulse width modulation (PWM) frequency to optimise power conversion and energy efficiency • Developing complex or custom system designs such as those found in medical, aerospace and robotic applications The device also features a wide input voltage range of 4 V to 24 V and a maximum output voltage of 24 V. This allows it to operate with low voltage systems, and provides flexibility for adapting different applications.

Conclusion

The MP28223DD-LF-P is a highly integrated and easy-to-use solution for power conversion and regulation in a variety of applications. It is designed to provide precision-controlled power conversion with efficient pulse width modulation and adjustable output voltage and current. Additionally, the device provides protection against current limit and short-circuit conditions, and its wide input voltage range allows it to be used in a variety of situations.

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