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HCPL-260L-320 application field and working principle

Optoisolators - Logic Output

HCPL-260L-320 is a logic opto-isolator family from Avago Technologies. It is packaged in a 8-pin Photo-Link. This opto-coupler is designed for use in logic gates, flip-flop circuits, level converters, bus-hold modules, watchdogs and other logic functions. It has a wide operating voltage of 5V to 18V and it can be used in industrial, medical or automotive applications.

The HCPL-260L-320 is a phototransistor isolator. It is composed of a photo-coupler chip, LED and a phototransistor in a single package. It provides a optical isolation between an input and output circuit. The LED provides light which activates the phototransistor when it strikes it. The phototransistor amplifies the signal and it performs the logic function as output.

The main features of the HCPL-260L-320 includes :

• Fast switching time
• Wide operating voltage of 5V to 18V
• Low leakage current
• Surge immunity and EMC noise protection
• Low operating current
• Low power consumption
• High temperature operation (up to 110°C)
• High surge voltage of 20V
• Frequency range of 0-400KHz
• Long term stability

HCPL-260L-320 is widely used in various applications. It is commonly used in logic protective circuits, signal relays, bus-hold circuits, Flip-Flop circuits, logic gating circuits, motor control circuits, etc. In addition, it can be used in automotive, industrial, medical, telecom, audio and other electronic applications. It is also used in bus-hold circuits and logic modules which provide isolation to protect logic chips from noise and environmental risks.

The working of the HCPL-260L-320 is based on the principle of opto-coupling. When the input signal is applied, the LED emits light which will activate the phototransistor. The phototransistor provides a current amplification which will increase the output logic level. The output logic level gives the corresponding logic signal (HI or LOW). The opto-coupler provides an isolation between input and output circuit which prevents interference and noise from the input signal.

In conclusion, the HCPL-260L-320 is a reliable opto-isolator which is widely used in various logic circuits applications. It offers a wide operating voltage range, low power consumption and fast switching time. It provides an isolation barrier to protect the connected application from environmental risks. The HCPL-260L-320 is a cost-efficient and high-performance opto-isolator.

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