PD3S130H-7 Discrete Semiconductor Products

Diodes - Rectifiers - Single

The PD3S130H-7 is one of a selection of drop-in diodes developed by Littelfuse to address performance and reliability constraints in replaceable Power Applications. It is specifically designed for high power applications such as telecom power supplies, and have been developed with a unique feature set to meet the challenges of such industrial grade applications. As a single-die rectifier, it has been designed to provide superior performance with low forward voltage drop, fast reverse recovery time and low RDS(on) values. It is also designed for greater efficiency and improved power densities.

Applications

The PD3S130H-7 is suitable for a variety of telecommunications and automotive applications, and has been designed with an optimal combination of input capacitance, reverse body diode, reverse recovery times and low on-state resistance making it suitable for the most rigorous applications. The device is specifically suited for high-power applications such as:

• Input mains and DC-DC standard converters
• Rectangles and linear regulators
• Off-line switching supplies
• Server and desktop power supplies
• Adaptor and charger designs
• Motor and UPS applications
• Automotive applications

Working Principle

The working principle of the PD3S130H-7 is mainly based on its unique design. The device has an integrated non-overlapping pulse-width modulated (PWM) control that optimizes efficiency and improves power density in the rectifier section. This integrated control features robust protection capabilities such as in-rush limiting, over-current protection, over-voltage protection, and overtemperature protection. The device also uses a simple and adjustable current sense for improved ZVS efficiency and improved smooth start-up performance. It has a low forward resistance voltage drop for fast switching and low power loss, enabling extremely high efficiency in power supplies.

The PD3S130H-7 features a wide auto-restart range and tight tolerance design, meaning that it is able to quickly recover from large fault current surges. This is a critical feature for telecom and automotive applications, as fault current surges can cause major damage to the electronics. Additionally, the device offers a large dynamic resistance during soft-switching, meaning that soft-switching is possible without any power loss, resulting in improved efficiency and lifetime of the diode.

The PD3S130H-7 is optimized with a low junction temperature, allowing it to be used in applications requiring high power density and high efficiency. Furthermore, it has a low drop-out voltage, allowing it to be used in high voltage applications with high-current applications. Additionally, it is also designed for protection against electrostatic discharge, making it a reliable component for industrial grade applications.

Conclusion

The PD3S130H-7 is one of the most advanced single-die rectifiers currently available. It provides superior performance with low forward voltage drop, fast reverse recovery time and low RDS(on) making it suitable for high power, industrial grade applications. It has a wide auto-restart range and tight tolerance design, making it able to quickly recover from large fault current surges and offer a large dynamic resistance during soft-switching. Additionally, it also has a low drop-out voltage and is designed for protection against electrostatic discharge, making it a highly reliable component.