VHK50W-Q24-S24

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DC-DC converters are electrical components designed to step up or step down the voltage of an input while providing DC power. The VHK50W-Q24-S24 is a DC-DC converter produced by TDK Corporation designed for industrial and automotive applications. This converter is appropriate for a wide range of applications from the powering of microprocessors to automotive diagnostics.

The VHK50W-Q24-S24 incorporates a dual-mode controller to regulate the output voltage by switching between an output voltage level and a low side switch. This is a 2-phase Synchronousboost™ that makes use of dual-mode switching, hence its dual-mode controller. The ability of the dual-mode controller to switch between output voltages enables the converter to achieve higher output current levels. This unique feature allows for better efficiency as it avoids the losses associated with other topologies used in DC-DC converters.

In terms of operation, the VHK50W-Q24-S24 converts the input power – AC or DC – into a regulated output voltage above VIN. It features high efficiency levels, wide input voltage range and a soft-start function for avoidance of inrush currents. The unit also offers reverse input protection, and overcurrent/overvoltage protection. It is also suited for an ambient temperature range of -40 to +85°C. This high reliability due to its extra protection, along with the wide input voltage range makes the VHK50W-Q24-S24 ideal for industrial and automotive applications as it allows for reliable conversion in varying environmental conditions.

The VHK50W-Q24-S24’s dual-mode controller offers fast transient response to the load. The typical response time is 10?s, and with the proportionally sensitive controller, it performs at a better peak load regulation over time. This reduces the amount of overshoot and undershoot in the output voltage which is especially important for systems such as microprocessors that require stable regulated power.

The VHK50W-Q24-S24 is a highly efficient converter that meets various criteria set forth by IEC standards, such as line/load regulation, EMI compliance, and no-load losses. Furthermore, it features a high efficiency over wide load range greater than 90% and is characterized with an isolated 4:1 input range. This range ensures it can operate with an input of between 19V and 76V, making it the ideal converter for industrial and automotive applications.

In conclusion, the VHK50W-Q24-S24 DC-DC converter is suitable for a wide range of applications due to its dual-mode controller, high efficiency, wide input voltage range and fast transient response. It is a reliable unit that meets various criteria set forth by IEC standards and is well suited for industrial and automotive applications in varying environmental conditions.

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