UFT40020D

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The UFT40020D is part of a family of Rectifiers and Arrays by Toshiba. It is a 4-Phase Diode Array and has many applications.

This device is used for power management, voltage regulation, and switching applications, such as a Synchronous Rectification Buck Regulator, where the UFT40020D can improve the efficiency and reduce the power dissipation of the system. This device is also well suited for telecom applications, including DC/DC converters and isolated switch mode power supplies.

Besides that, the UFT40020D also has applications in automotive systems. It is also used for lighting, such as DC/DC converters, non-isolated buck converters, and flyback converters. It can also be used in power supplies for White Goods.

The UFT40020D is a highly integrated device that combines four synchronous rectifiers with four diodes in the same package, resulting in smaller form factors and a considerable cost reduction. It is a 2.5A device, capable of handling short current terms up to 6.25A.

The UFT40020D is composed of four integrated Phase Sum Rectifiers (PSR). Each PSR is composed of two interconnected Schottky diodes. The P-channel MOSFETs of each PSR are always on, allowing the PSR to deliver integrated Synchronous rectification as well as providing a continuous current during switch-off conditions.

The UFT40020D also features an optimized architecture with low forward voltage drop (VF) (0.38V typical) and low reverse recovery charge (Qr) (5nC typical) for improved efficiency and lower input rippled current. The PSR’s are also designed with anti-parallel control diodes to provide over-current protection in case of a short circuit.

In addition, the UFT40020D offers two thermal protections. Over-temperature protection stops the PSR from activating in the case of high temperature conditions, while short-circuit protection turns off the device if over-current occurs.

The UFT40020D is available in uSOP-4 and PowerPAK SO-8L packages, making it ideal for applications with limited board space. The device is also RoHS and REACH compliant.

In Summary, the UFT40020D is a 4-Phase Diode Array device with integrated Synchronous rectification capability, useful in many power management, voltage regulation and switching applications. The device features an optimized architecture and has excellent components such as low forward voltage drop and low reverse recovery charge. Moreover, the UFT40020D has multiple protection features and is available in smaller packages.

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