VHB350-D24-S24

DC-DC converters are widely used power conversion devices. The VHB350-D24-S24 is a type of DC-DC converter based on a synchronous rectifier design.

Overview of the VHB350-D24-S24

The VHB350-D24-S24 is a high-efficiency, wide input voltage range DC-DC converter that operates virtually from 1.5V to 24V input voltage and has excellent output ripple and regulation. It is designed to provide high power conversion efficiency of > 95%. The device consists of an active PWM controller, an integrated synchronous rectifier, on-off control, power MOSFET transistor, two current sense resistors, and other protect circuits.

Applications of the VHB350-D24-S24

The VHB350-D24-S24 is a useful option for a variety of applications, including embedded systems, automotive systems, automotive electronics, industrial automation, military applications, and medical devices. It is commonly used in applications that require high efficiency, low cost, low input voltage range, high current, and low output voltage, such as power supplies, industrial electronics, and automotive systems.

The VHB350-D24-S24 can also be used to convert a low voltage input to a higher output voltage for powering various electronic components. This device is ideal for applications where the input voltage is limited or fluctuating, and the efficiency of the DC-DC converter is important.

Working Principle of the VHB350-D24-S24

The VHB350-D24-S24 works according to the synchronous rectifier topology. This design allows the device to achieve more efficient power conversion, higher current capability, improved regulation, and lower output ripple. The device contains an active PWM controller and a synchronous rectifier consisting of a power MOSFET transistor, two current sense resistors, and other protection circuits. The PWM controller provides a signal to the power MOSFET transistor which allows it to switch on and off as needed in order to regulate the output. The MOSFET uses the two current sense resistors to measure the current in the load in order to regulate the output.

The VHB350-D24-S24 has adjustable soft-start, over-current protection, under-voltage lockout, and short-circuit protection features. These features provide protection for the device, as well as the system it is connected to, from various fault conditions. Additionally, the device can be set to operate over a wide input voltage range from 1.5V to 24V.

Conclusion

The VHB350-D24-S24 is a high-efficiency DC-DC converter that operates on wide input voltage range and offers excellent output ripple and regulation, making it a suitable choice for many applications. Its synchronous rectifier design ensures that the device uses less power and is more efficient than other converters. It also has several features built-in such as adjustable soft-start, over-current protection, under-voltage lockout, and short-circuit protection, which ensure that the system and the converter are protected from various fault conditions. Overall, the VHB350-D24-S24 is an efficient and reliable DC-DC converter for many applications.