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DC-DC converters, also known as DC-DC power supplies, are a type of power supply used to convert a DC energy source to a different DC voltage level, such as a battery pack, solar panel, or DC generator. IV1203SA is a series of DC-DC converters manufactured by Inventec Corporation. They feature a wide operating temperature range, low power consumption, high efficiency, and a wide input voltage range.

The IV1203SA series is specifically designed for applications requiring power conversion in extreme environments. It is capable of operating up to a temperature range from -20°C to +125°C. The wide input voltage range allows for a maximum of 35V DC input (with a minimum of 4.5V DC input) and it is capable of delivering a minimum of 3A at a maximum of 36V DC. The wide output voltage range also allows for outputs of 3V to 12V DC.

IV1203SA power supplies feature a synchronous rectification circuit which simplifies the power supply circuit design and improves efficiency. The PWM use active current-limiting to regulate the output current and to quickly respond to abrupt current transients. To further improve efficiency, the power switch is operated in the light load region, which reduces switch current and power losses.

Protection circuits, such as over-current protection, over-voltage protection, and short-circuit protection, are built-in to the IV1203SA power supply to guard against damage due to external events or input voltage fault. It also features a soft start function which eliminates instant shock caused by inrush current when the converter is started.

In summary, IV1203SA is a highly efficient, high power, and wide operating temperature range DC-DC power supply series from Inventec Corporation. It features synchronous rectification and active current-limiting circuitry, along with comprehensive protection circuits, to protect against common power faults. Its wide input and output voltage ranges make it ideal for use in a wide variety of applications.

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