78ST153SC

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As a member of the DC/DC converters family, the 78ST153SC features an integrated MOSFET switch that provides an exceptionally high output current capability. This DC/DC converter is well-suited for applications such as drives, robotics, automated test equipment (ATE), telecommunication systems, and industrial equipment, which requires high power density combined with high efficiency and an extremely small footprint.

The key to the 78ST153SC’s excellent performance lies in the integrated 650 V MOSFET switch, offering a 50 percent increase in output current capability over conventional products that use discrete MOSFETs. This new design from ON Semiconductor incorporates a special operating frequency and low power loss to deliver maximum power efficiency in a wide range of applications.

The 78ST153SC is an ultra-compact, cost-effective and highly efficient solution for applications whose average output current is higher than 10A. The device enables higher switching frequencies and provides a stable output voltage, all while producing very low power loss. The converter’s high output current capability helps simplify design by eliminating the need for additional power stage components, such as DC/DC controllers and power transistors. It also helps reduce power dissipation at the secondary side so that excessive cooling or heatsink components are not needed.

The 78ST153SC’s operating principle is simple. The integrated MOSFET switch converts DC input power from a source, such as a battery, into an AC wave form of varying voltage and frequency. This AC wave form is then reconfigured by the DC/DC converter into a series of DC pulses of varying voltage and frequency. These DC pulses can then be used as automatic control signals for various applications.

The 78ST153SC’s MOSFET-integrated design helps reduce converter size and total cost. It also allows the converter to stay cooler and provide higher efficiency over typical discrete MOSFET designs. The DC/DC converter’s output voltage range of 2.5 to 5.5 V helps meet a wide range of application requirements. Additionally, the 78ST153SC offers an output current capability of up to 30A and a maximum efficiency of 96 percent.

The 78ST153SC is clearly an ideal choice for applications that require a high power density, high efficiency, and an extremely small footprint. The integrated MOSFET switch enables a 50 percent increase in output current capability compared to conventional designs, with improved power efficiency and reduction in size. With its wide range of output voltage and output current capabilities, the 78ST153SC is an excellent solution for a variety of applications.

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