MER1S1515SC

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DC-DC converters are a type of electrical device used to convert energy from one type of source to another. The MER1S1515SC DC-DC converter is a highly efficient, two-stage, non-isolated, voltage regulator module and is specifically designed for the PC and data center applications. It has a very wide input voltage range as well as adjustable output voltage.

The MER1S1515SC utilizes an input capacitor, component resistors and the switch S1 to generate a reference voltage. The resistor voltage divider network is then used to set the sensed voltage, which then feeds the error amplifier. In order to achieve the desired output voltage, the error amplifier drives the pulse width modulator PWM generating the output pulses in accordance with the sensed voltage. The output pulses then flow through the magnetizing inductor and the internal output low resistance MOSFETs. Similarly, the PWM signal drives other dedicated internal MOSFETs that promote high efficiency performance.

The MER1S1515SC provides exceptional features, such as integrated EMI filter, adjustable current limit, integrated oscillator, and over voltage protection. The device also offers high surge peak current for start up at cold condition.

According to the Schottky diode of the boost converter of the MER1S1515SC, the conduction and switching losses mainly exist in the main switch S1 during the operation of the module, which results in a great efficiency. The output ripple voltage at high frequencies can be extremely large, so the inductor ripple current needs to be limited within the allowed range to ensure reliable operation. The output voltage is controlled by the pulse width modulation technique. The effective duty ratio of the PWM signal varies linearly and is kept within its permissible limit by an effective voltage feedback.

The MER1S1515SC DC-DC converter offers exceptional power delivery with high efficiency. It is suitable for use in PC and data center applications, and is highly reliable due to its low output noise, integrated EMI filter, adjustable current limit, over voltage protection, and high surge peak current for start up at cold conditions.

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