NCS12S1203C

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DC-DC converters are typically used to convert a lower voltage DC to higher voltage DC, such as 12V to 24V, 5V to 12V, and other variations. The NSC12S1203C is one such DC-DC converter designed to convert an unregulated 12V DC input to a regulated 12V DC output. This converter is ideal for applications such as LED lighting, security and surveillance systems, and control and instrumentation systems.

The NSC12S1203C is a switch mode DC-DC Converter which consists of a bridge rectifier, two series connected MOSFETs and a boost inductor, as well as a voltage regulator and two output capacitors. It works by taking the 12V DC input and first converting it to an AC voltage using the bridge rectifier. The resulting AC voltage is then “chopped” by the MOSFETs, creating a series of rectified pulses. The pulses are then passed through the boost inductor, which increases the voltage of the pulses to create the desired output voltage. The voltage regulator then takes the output from the boost inductor and regulates it to 12V DC. The capacitors then act to filter the output and reduce transients and noise.

The NSC12S1203C converter is capable of achieving efficiencies of up to 95%, while still providing the required output voltage. It is able to handle a wide range of input voltages ranging from 9-18V DC, and can deliver up to 12A of current. Additionally, it features input Under Voltage Lockout (UVLO), Over Voltage Protection (OVP) and short circuit protection (SCP) for added reliability. This makes the NSC12S1203C an ideal choice for applications where high efficiency and reliability are required.

In terms of size, the NSC12S1203C converter is very compact, with a footprint of only 15.75mm x 20.62mm, making it suitable for tight installation spaces. As the converter is based on a half-bridge topology, it operates without an input capacitor, making it even more space efficient. Additionally, it is able to operate without an output capacitor as well, further freeing up board space.

All in all, the NSC12S1203C is an excellent option for applications requiring a highly efficient, reliable DC-DC converter with a small footprint. With its wide range of input voltages, high efficiency, short circuit protection, and small size, it is an ideal choice for LED lighting, security and surveillance, and control and instrumentation applications.

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