MP2234SGJ-P

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MP2234SGJ-P Application Field and Working Principle

The MP2234SGJ-P is a low-power, cost-effective multiphase DC/DC synchronization switch-based synchronous rectifier (SR) step-down converter with a 2A continuous output current. It is categorized as a Polarity Protection PMIC (Power Management Integrated Circuit) voltage regulator, DC/DC Switching Regulator, specifically. It is specially used in powering multiple low-power system rails, while providing rapid phase-lock loop (PLL) synchronization.

The MP2234SGJ-P integrates six n-channel MOSFETs that accepts an input voltage from 4.5V to 18V, making it well-suited for many general-purpose efficiency applications, such as battery-powered digital TV and low-power system integrations. It has a fast transient response, allowing it to quickly recover from disturbances.

Features of MP2234SGJ-P

• High Efficiency: MP2234SGJ-P provides 90% efficiency with a wide 270KHz to 2MHz PLL synchronized/ adjustable switching frequency.
• Flexible Voltages: MP2234SGJ-P allows adjustable output voltage in the range of 0.85V to 17V.
• Selectable Output Voltage: Output voltage can be programmed using external resistor divider.
• Power Good Indicator: MP2234SGJ-P indicates an accurate output voltage status and presence of adequate energy.
• Output Current: Output voltage can be limited to 2A.
• Compact Design: MP2234SGJ-P is compact, measuring 27mm by 12.4mm for easier integration.

Working Principle of MP2234SGJ-P

The MP2234SGJ-P is a synchronous rectifier (SR) step-down converter with an integrated PLL/pulse-width modulation (PWM) controller and six integrated high-efficiency MOSFETs. It is based on a delay-on-ceil (DOC) architecture which ensures that the full-load efficiency is maximized. The six MOSFETs allow for low-power, low-noise operation, with peak efficiency of up to 90%.

It has a wide input range, from 4.5V to 18V, allowing for higher voltage sourcesto be applied. The output voltage can also be adjusted and set as desired, bymeans of an external resistor divider network. The current mode PWM controller, combined with the SR architecture, and the integrated output voltage generator, provides a fast transient response, enabling it to quickly recover from disturbances and maintain accurate output voltage level.

In addition, the MP2234SGJ-P has an accureate power-good indicator that is ideal for applications requiring precision voltage monitoring. The MP2234SGJ-P also includes a thermal protection feature, which ensures that the integrated MOSFETs are not overheated, keeping it safe and reliable.

Advantages of MP2234SGJ-P

• High Efficiency: MP2234SGJ-P provides 90% efficiency with a wide 270KHz to 2MHz PLL synchronized/ adjustable switching frequency.
• Flexible Voltages: MP2234SGJ-P allows adjustable output voltage in the range of 0.85V to 17V.
• Selectable Output Voltage: Output voltage can be programmed using external resistor divider.
• Power Good Indicator: MP2234SGJ-P indicates an accurate output voltage status and presence of adequate energy.
• Output Current: Output voltage can be limited to 2A.
• Compact Design: MP2234SGJ-P is compact, measuring 27mm by 12.4mm for easier integration.

The MP2234SGJ-P DC/DC Buck Switching Regulator provides an optimal solution for general efficiency applications, such as powering multiple low-power system rails, while providing rapid PLL synchronization, which makes it well-suited for many general purpose applications. With its high-efficiency, flexibility, and accuracy, the MP2234SGJ-P is an ideal choice for low-power system integrations.

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