MP2130DG-LF-P

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MP2130 is a high efficiency DC to DC switching regulator. It provides excellent step up/down and buck/boost modes which make it a suitable fit for various power management applications. The regulator is available in wide input voltage range, from 5V to 40V DC, and has adjustable switching frequency, up to 4.2MHz, with Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) programmable modes to optimize efficiency or reduce EMI/RFI noise. It also features a low output ripple, short start-up time, soft-start current limit and temperature protection.

MP2130DG-LF-P Application Field and Working Principle

MP2130DG-LF-P is optimal for various point-of-load DC/DC Regulator applications such as telecom, networking, and medical equipment. It enables Efficiency, Line Regulation, and Step-up Efficiency at lower input voltages. The MP2130DG-LF-P is a step-down, step-up regulator with a wide input voltage range of 4.5-36V, a fixed output voltage of 5V, an adjustable output current of up to 17V, an adjustable switching frequency of up to 4.2 MHz and a switching loss of 0.8W.It features an input voltage sense, a selectable 2A/3A integrated power switch, an output voltage compensation, programmable soft start time, and an adjustable output current control.

The MP2130DG-LF-P utilizes a synchronous rectifier step-down converter to achieve high efficiency with a wide fixed output voltage range of 5V. Its\' regulating voltage loop does not require an output capacitor, allowing for circuit board space savings. It regulates input voltage on the power switch to maintain a constant output voltage and reduce output noise in the presence of disturbances such as input voltage ripple and load transients.

The MP2130DG-LF-P provides an adjustable switching frequency of up to 4.2MHz, allowing for optimal power efficiency and high power density in space constrained applications. Its\' current mode control supports a wide range of loads and ensures fast transient response. It offers selectable 2A/3A integrated power switch, allowing for adjustable switch current limit value and improved EMI/RFI performance. It also has programmable soft start time, helping to reduce inrush current and preventing large output transients. Furthermore, the MP2130DG-LF-P has adjustable output current control, allowing for precise power delivery and secondary side programming with external MOSFET.

In addition to high efficiency, the MP2130DG-LF-P offers low output ripple, short start-up time, low noise and temperature protection. The synchronized rectifier eliminates the need for an output capacitor, allowing for smaller overall system size. Furthermore, the integration of all components eliminates the need for any external logic, resulting in a minimized overall components count. Other features include soft-start current limit and a voltage sense input for tracking the input voltage.

Conclusion

The MP2130DG-LF-P is a high efficiency DC to DC switching regulator, featuring a wide input voltage, adjustable switching frequency of up to 4.2 MHz, adjustable output current of up to 17V, selectable 2A/3A integrated power switch and programmable soft start time. It is suitable for various point-of-load DC/DC regulator applications, including telecom, networking and medical equipment. The MP2130DG-LF-P provides excellent step up/down and buck/boost modes and supports a wide range of loads, enabling high efficiency and power density. Additionally, it offers low output ripple, short start-up time, low noise and temperature protection.

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