LM5642MHX/NOPB

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The LM5642MHX/NOPB is a buck switching voltage regulator containing high and low side power MOSFETs, protection circuitry and analog circuitry designed to provide a simple power solution for high efficiency DC to DC conversion. It offers excellent performance, low power consumption and a wide range of adjustable output voltages. The product is well suited for applications requiring small size, high efficiency and low noise operation.

The LM5642MHX/NOPB is primarily used in a wide range of consumer and consumer applications, from low end cell phones to portable DVD players. It can be used for both step up and step down applications and can provide up to 5A of continuous load current. The device also offers an adjustable switching frequency, allowing for low noise operation. Additionally, it can support both single phase and dual phase operation for higher efficiency, allowing for higher power density.

The LM5642MHX/NOPB features a controller with an internal oscillator, requiring no external component for switching frequency control. It utilizes a dual loop regulation architecture, where a high voltage fast loop and a low voltage slow loop provide precise regulation of the output voltage. The device is internally protected with an over temperature shutdown, protecting it from overheating under overload conditions. The device also contains an integrated soft start feature, helping to reduce inrush current and improving startup performance.

In applications where size and low power consumption are critical factors, the LM5642MHX/NOPB offers a robust design. Its internal component count is lower than other DC-DC switching controllers, meaning it uses less external components. This not only decreases the overall size of the application but also reduces the power consumption. The device is also supplied in a lead (Pb) free 14-pin, small outline package, further reducing the physical space required.

The LM5642MHX/NOPB is capable of delivering excellent efficiency in a wide range of applications. It features an adjustable switching frequency, allowing for low noise operation. In addition, its integrated over temperature protection and soft start features make it an excellent choice for applications such as personal electronics and AC/DC adapters.

In conclusion, the LM5642MHX/NOPB is an excellent choice for applications requiring high efficiency, low power consumption and a wide range of adjustable output voltage. It is specifically designed for consumer applications, featuring an internal oscillator, adjustable switching frequency and dual loop regulation architecture. It is also lead (Pb) free and offered in a 14-pin, small outline package, making it an ideal choice for designers who cannot sacrifice space or power.

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