TLZ4V7-GS18

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Diodes - Zener - Single

The TLZ4V7-GS18 is a Zener diode that provides a single voltage regulation source and is specially designed for applications requiring a low current and very low power requirements. It is particularly suited for the demanding requirements of mobile phone and other portable device applications.

Package

TLZ4V7-GS18 is offered in a very small and compact 3-pin TSSOP package with either direct-to-boards or lateral leads. This package offers superior space savings as well as improved thermal characteristics compared to alternative packages. Furthermore, its very low thermal resistance makes it well suited for applications requiring low power dissipation.

Operation

The TLZ4V7-GS18 is a Zener diode that is specially designed to operate with a relatively low regulated voltage and low power dissipation. Its single junction with an optimized design offers improved device characteristics over previous generations of Zener diodes. The device is capable of operating with a steady voltage over a wide temperature range and is capable of operating up to a maximum reverse voltage of 18V.

Applications

The TLZ4V7-GS18 is especially suited for applications requiring low leakage currents, such as mobile phone and other portable device applications. It is also suitable for a wide range of other applications, for instance general purpose voltage regulators and microwave oscillators. In addition, the TLZ4V7-GS18 is often used in power test equipment, automotive electronics, and audio systems, where its low power consumption and low cost make it an ideal choice.

Working Principle

The TLZ4V7-GS18 is based on the principle of reverse breakdown, in which a reverse biased PN junction breaks down at a critical voltage. As the reverse voltage is increased, the current through the device increases exponentially, up to a certain point. At this point, the current remains steady and is referred to as the Zener voltage, after which the current decreases again. The TLZ4V7-GS18 is capable of providing a constant voltage over a wide range of temperatures and currents, making it ideal for applications such as voltage regulation.

Performance Specifications

The TLZ4V7-GS18 is capable of operating over a wide temperature range, with an operating voltage range of 3V to 18V. The device has an on-resistance of 0.1Ω, a reverse leakage current of 5µA, and a maximum capacitance of 11pF. The device is capable of providing a maximum forward current of 200mA and a maximum reverse current of 1mA. The power dissipation of the device is 17mW and the maximum power dissipation is equivalent to 3mW.

Conclusion

The TLZ4V7-GS18 is a specialized Zener diode designed for applications that require low power consumption and small size. The device is capable of providing a steady voltage over a wide temperature range, and is capable of handling up to a maximum reverse voltage of 18V. The device is well suited for applications such as mobile phone and other portable device applications, as well as other applications requiring low leakage currents. The device is offered in a very small 3-pin TSSOP package and has superior space saving and improved thermal characteristics compared to other packages.

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