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Introduction

SY100EL90VZC is a logic-translator-level-shifter device with an operating voltage of 3.3V. It has ISO 10485 compliant hot-swapping feature, which makes it very suitable for power supply circuit designs for PC server and storage equipment. This article will describe the application field and working principle of SY100EL90VZC.

Application Field

SY100EL90VZC is an ideal solution for power supply design in server, storage, industrial automation and automotive markets due to its excellent electrical, thermal, and EMC performance. In particular, SY100EL90VZC provides level shifting with a supply voltage of 3.3V and an output voltage of 5V/12V, which can be used to design a power supply circuit with wide operating temperature range and high efficiency. Its hot-swapping feature makes it an ideal solution for power supply design in PC server, storage and other industrial control applications.

Working Principle

SY100EL90VZC uses digital logic-level-shifting and buffering to ensure fast and reliable data transfer between two nodes. It contains two buffers with two typical differential receiver scheme. The differential receiver scheme reduces EMI effect and allows it to be easily connected to the system clock source. The receiver has internal hysteresis and ESD protection which helps to protect the system from unexpected input signal change and ensure the reliability of the system. Each voltage shift of the signal is a two-stage process: First, the voltage is shifted from the source to the gate, and then from the gate to the drain. This two-stage process provides protection pre-buffer and can improve noise immunity.

When the input signal is a high-frequency signal, the output signal tends to become noisy. To reduce this effect, there is an on-chip clock-locking feature which synchronizes the clock with the input signal and ensures stable output signal. In addition, the device also has a high input impedance which ensures that not too much power is drawn from the source, thus preventing the signal from being distorted.

Conclusion

SY100EL90VZC is an ideal solution for power supply design in PC server, storage, industrial automation and automotive markets. It provides level shifting with a supply voltage of 3.3V and an output voltage of 5V/12V. It also features a fast and reliable data transfer system with two differential receiver scheme, an on-chip clock-locking feature and a high input impedance. In conclusion, SY100EL90VZC is the perfect choice for applications where a rugged level shifter device is needed.

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