RP15-1212SF/N

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DC-DC converters are electronic components that convert a direct current (DC) input voltage into a different DC output voltage. The RP15-1212SF/N is a highly efficient synchronous buck DC-DC step-down converter designed for applications requiring lower current levels. It is suitable for a variety of applications, ranging from point of load conversions to step-down sources for onboard systems.

The RP15-1212SF/N is designed to be used with a wide range of input voltages of 12V to 24V enabling designers to select a power source that best suits their application. It can deliver up to 15W of continuous output power from an input voltage of up to 24V. The device incorporates current-mode control allowing a wide range of output voltage settings, and has comprehensive protection features including under-voltage lockout, input over-voltage protection, over-temperature protection, and short-circuit protection to ensure robust operation for the application.

The RP15-1212SF/N features a very low area and height profile and provides an excellent combination of high efficiency, low noise, and excellent transient response. It can be used with a small passive components forming a compact solution for both commercial and industrial applications. It has an efficiency up to 93% and low output ripple allowing for the use in high frequency applications.

The working principle of the RP15-1212SF/N is that it first takes a DC voltage from a high voltage (up to 24V) power source and converts it to a lower voltage (up to 15W) regulated output. The device uses two power transistors (MOSFETs) to form a synchronous buck converter. The input voltage is applied to the gate of the MOSFETs through external gate drivers. The output voltage is regulated by a digital control loop. The driver circuit is designed such that one MOSFET always acts as a synchronous rectifier and the other acts as an active switch The pulse width is modulated (PWM) by the control circuit to regulate the input power and the required output voltage is maintained. The output is then filtered with an output capacitor.

The RP15-1212SF/N is an excellent choice for applications where a wide input voltage range and low output power are required. It is ideal for use in portable or other applications that require a small form factor solution. Its low power operation, high efficiency, and comprehensive protection capabilities make it suitable for both commercial and industrial applications.

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