NSD10-12S9

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DC DC converters are an important family of power conversion technologies which is widely used in all types of applicatons. NSD10-12S9 is one of the most widely used DC DC converter series. It is used in applications ranging from automotive, medical, communications and consumer electronics to commercial and industrial applications.

The NSD10-12S9 series includes a wide range of models with output power from 2.5W to 150W, output voltage from 3.3V to 48V and efficiency up to 97%. The product supports remote On/Off, adjustable output voltage, and adjustable output current limit through external resistors. It is specially designed for high switching frequency range, allowing for low input and output ripple.

This series also provides excellent EMI performance and short circuit protection. The high efficiency and low input/output ripple enable NSD10-12S9 series to be used in an extremely narrow working temperature range of -40℃ to +85℃. Therefore, they are extensively used in many global original-equipment manufacturers (OEM) and original develop systems (ODS).

The NSD10-12S9 series is based on high frequency pulse-width modulation (PWM) control. Through this technology, the series can maintain stable performance and reduce the amount of wasted energy in the conversion process. A reference voltage is used to control the switching frequency and also to create the on/off ratio of the PWM signal. As compared to the traditional linear power supply, DC-DC power supply has notable advantages in cost saving, space usage, and high efficiency.

NSD10-12S9 series is mainly composed of a PWM controller, a power switch (typically a MOSFET, BJT, IGBT, or other transistors, depending on the power level and the application requirements), output voltage control, over current protection (OCP) and over-temperature protection (OTP) components.

In order to regulate the output voltage of the power supply, a feedback circuit is employed which consists of an optocoupler, error amplifier, and a voltage reference. The optocoupler serves to isolate the output voltage from the controller’s input by sending a signal to the error amplifier for comparison. The optocoupler also helps to soften the inrush current which can damage the switch and the output voltage control stage. On the other hand, the OCP and OTP systems are designed to provide protection against overloads, overvoltages, and over-temperatures. These features ensure the safe operation of the system in case of unexpected faults.

In conclusion, NSD10-12S9 series is an ideal choice for applications that require high efficiency, small size, and wide temperature range. Equipped with PWM control technology, they can effectively reduce power loss and extend the life of the system. The robust OCP/OTP systems provide an additional layer of protection for any unexpected events. Therefore, these products can be widely used in a variety of different applications, from automotive to medical, from commercial to industrial.

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