LL5817 L0G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	750mV @ 3A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	500µA @ 20V
Capacitance @ Vr, F:	110pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF
Supplier Device Package:	MELF
Operating Temperature - Junction:	-65°C ~ 125°C

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Introduction

In the field of power electronics, a wide variety of rectifier technologies are available for use in various applications. The LL5817 L0G is a type of single-phase rectifier that functions as a half-wave rectifier. It provides reliable performance and cost-effective operation in many different applications.

Design

The design of the LL5817 L0G consists of a thyristor or a fast-recovery diode, connected to the load. The thyristor is connected to the anode of the diode and the diode to the cathode. The diode is responsible for turning off the current that is flowing through the load at each cycle by blocking the reverse current. The turn-on of the thyristor allows the current to resume flowing again.The LL5817 L0G is available in a variety of packages and configurations. The most common is the TO-220, which is a standard three-pin package. This type of package includes a cathode, anode, and control gate pin.

Application Field and Working Principle

The LL5817 L0G is suitable for use in a wide range of applications. In particular, it is often used in power converters, power supplies, and motor control circuits.The working principle of the LL5817 L0G is that when electrical current reaches a certain level, the diode turns off, blocking the flow of the current. This then initiates the turn-on of the thyristor, allowing the current to continue flowing through the load.The LL5817 L0G provides excellent rectification performance, is highly efficient, and offers a long lifespan. It can also withstand high temperatures and tolerate higher capacitive loading.The main disadvantage of the LL5817 L0G is its higher threshold voltage, which is greater than traditional diodes. This means that it will only turn-on at higher voltages.

Conclusion

The LL5817 L0G is an efficient and reliable single-phase rectifier, suitable for use in a variety of application fields. It offers excellent rectification performance with a long lifespan and is highly reliable, even under high temperatures and capacitive loading. It offers improved efficiency and cost control by allowing higher threshold voltages. Its main drawbacks are a longer response time and higher threshold voltage.

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