MBR40045CTRL

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Configuration:	1 Pair Common Anode
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	45V
Current - Average Rectified (Io) (per Diode):	200A
Voltage - Forward (Vf) (Max) @ If:	600mV @ 200A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	5mA @ 45V
Operating Temperature - Junction:	-55°C ~ 150°C
Mounting Type:	Chassis Mount
Package / Case:	Twin Tower
Supplier Device Package:	Twin Tower

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Diodes - Rectifiers - Arrays:MBR40045CTRL Application Field and Working Principle

The MBR40045CTRL series rectifier is a low loss Schottky barrier rectifier designed for high frequency switching power supplies, DC/DC converters and freewheeling applications. It is a cost effective solution and has the advantages of low forward voltage, fast switching, and low leakage and reverse recovery current. With various power ratings and packages available, it is suitable for many commercial, industrial and automotive applications.

Applications

• Switch Mode Power Supplies• DC-DC converters• Battery Charging Power Supply• UPS Systems• Output Filter Circuits• Automotive Electronics• Isolated Sensors• Low Power Inverters• Power Factor Correction• High frequency circuits• High voltage inverters

Functions and Features

The MBR40045CTRL series rectifier features a low forward voltage (VF) with a maximum of 0.700V for a 1A rated part and 0.490V for a 5A rated part. It has a maximum reverse leakage current of 25µA and a max forward surge current capability of 40A. It is capable of operating at a temperature range of -55°C to +150°C.The rectifier is available in a variety of power ratings from 1A-6A and packages such as DO-35, DO-41, and more. The operating frequency range of the device is up to 20MHz, with a max switching speed of 1.25mS. The device also features low ESR, over-temperature protection, and a range of protection features.

Working Principle

The MBR40045CTRL series rectifier utilizes the Schottky Barrier principle of operation. In a basic PN-junction diode, the hole current is more than the electron current, and so a non-rectifying current can flow through the device in both directions. This is also known as "reverse leakage" current.In a Schottky Barrier diode, electrons and holes are not separated by a PN junction. Instead, the Schottky Barrier diode utilizes the Rectification Principle which is based on the fact that when a negative bias is applied to the cathode and a positive bias is applied to the anode, the minority carriers (electrons) will be attracted to the anode and the majority carriers (holes) will be attracted to the cathode, thus preventing the reverse leakage current.The Schottky Barrier diode also features a low forward voltage which allows for greater power efficiency and less power dissipation. It also produces very fast switching times, allowing for higher switching speeds and frequencies.

Conclusion

The MBR40045CTRL series rectifier is an ideal solution for a wide range of commercial, industrial and automotive applications. It features low forward voltage, fast switching, and low leakage and reverse recovery currents, making it a cost-efficient solution for these applications. It is available in a variety of ratings and packages and is capable of operating at high frequencies with a maximum switching speed of 1.25mS. The device utilizes the Rectification Principle based on the Schottky Barrier operation to prevent reverse leakage current, making it an ideal choice for power supplies and other applications.

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