UCC35702DTR

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The UCC35702DTR is a master/slave synchronous driver IC that is typically used in isolated DC-DC converters. It contains two drivers and a soft-start circuit, and offers excellent efficiency and power density in single stage isolated AC-DC conversion. The UCC35702DTR operates in either master/slave or fixed frequency PWM modes and allows for power muxing of up to two additional channels without the need for external components. It features circuit protections for under/overvoltage lockout (UVLO), overcurrent protection (OCP), overcurrent limit (OCL), and undervoltage lockout (VLO). It also provides an adjustable switching frequency, making it ideally suited for many demanding power supply applications.

The UCC35702DTR is an ideal solution for high power, single stage, isolated DC-DC conversion. It provides an efficient and reliable solution for applications with higher power requirements such as computer, data, telecom and server power supplies. The UCC35702DTR features master/slave operation, allowing for synchronization with an external clock for improved system reliability and board space saving. It also provides an adjustable switching frequency, making it ideally suited for many demanding power supply applications.

The UCC35702DTR is a highly integrated master/slave synchronous driver IC that allows for cost-effective dual and multi-channel isolated dc-dc conversion. It contains two synchronous drivers, a soft-start circuit, and programmable channel muxing logic that can support up to two additional channels without the need for external components. It offers best-in-class efficiency and power density, and provides integrated overvoltage, reverse voltage, and overcurrent protection.

The working principle of the UCC35702DTR is based on Pulse Width Modulation (PWM) technology. The device employs a synchronous rectification technique to reduce switching losses, resulting in improved efficiency. The PWM signal is generated internally with an adjustable operating frequency that can be programmed by the user through an external resistor. The switching frequency is also synchronized with an external clock signal to improve system reliability. The device also includes a very fast soft start circuit to minimize output voltage overshoots during start-up.

The main application fields of UCC35702DTR are computer, data, telecom and server power supplies. The device can be used to provide an efficient, reliable and cost-effective solution for multi-channel, isolated DC-DC conversion. It is also an ideal choice for high power applications such as distributed power systems and industrial controllers.

In summary, the UCC35702DTR is a highly integrated master/slave synchronous driver IC suitable for a wide range of DC-DC power conversion applications. It offers best-in-class efficiency and power density, and employs synchronous rectification along with adjustable switching frequency and internal soft-start circuits to improve the system performance. It provides integrated protection against overvoltage, reverse voltage, and overcurrent conditions, making it ideal for many demanding power supply applications such as computers, data, telecom and server power supplies.

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