HCPL-263L#520

Data Rate:	15MBd
Supplier Device Package:	8-DIP Gull Wing
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V
Current - DC Forward (If) (Max):	15mA
Voltage - Forward (Vf) (Typ):	1.5V
Rise / Fall Time (Typ):	24ns, 10ns
Propagation Delay tpLH / tpHL (Max):	75ns, 75ns
Series:	--
Current - Output / Channel:	50mA
Output Type:	Open Collector, Schottky Clamped
Input Type:	DC
Common Mode Transient Immunity (Min):	10kV/µs
Voltage - Isolation:	5000Vrms
Inputs - Side 1/Side 2:	2/0
Number of Channels:	2
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Overview

The HCPL-263L#520 optoisolator series is a popular range of devices designed for logic output applications. They are suitable for a variety of applications and provide a reliable isolation barrier between two circuits, thus avoiding the possible risk of ground loops associated with traditional two-wire interconnecting cables. The HCPL-263L#520 optoisolator ICs are designed to provide optical isolation between logic circuits and the external environment with a wide operating temperature range, making them an ideal solution for use in a variety of power electronics and distributed control systems applications.

Application Fields

The HCPL-263L#520 optoisolator series is suitable for a variety of logic output applications. It can be used to provide digital isolation between two electronics devices, allowing signals to be safely exchanged without interfering with ground paths. They can also be used to interface low power TTL logic circuits, such as PLCs or industrial controllers, to relay drivers or transistors. Additionally, they are ideal for use in monitoring systems, such as optical encoders or proximity sensors, where it is important to protect inputs from voltage surges or ground loop currents.HCPL-263L#520 optoisolators are also suitable for use in motor control applications, such as for signal conditioning and optical isolation of motor drives, as well as in LED lighting applications, where the LED can be driven directly from a logic output.

Working Principle

At the heart of the HCPL-263L#520 optoisolator series is an infrared (IR) LED and a photo-sensitive IC detector circuit. When a logic signal is applied to the infrared LED, it emits light which is then detected by the detector circuit. The output of the detector circuit is then used to switch on and off an output transistor, thus providing the necessary isolation barrier.The HCPL-263L#520 optoisolator series can operate in two modes, depending on the application being used. In the “Standard Mode” the output transistor is switched on and off whenever the logic signal is present or absent. In the “Latched Mode” the output transistor switches on when the logic signal is present and stays on even if the logic signal is removed. This mode is beneficial when the output transistor needs to be locked in the “on” position for an extended period of time.

Conclusion

The HCPL-263L#520 optoisolator series is a popular range of devices designed for logic output applications and provides a reliable isolation barrier between two circuits. It is suitable for a variety of applications, such as motor control, PLCs, proximity sensors and LED lighting. It operates by using an infrared LED and a photo-sensitive IC detector circuit, and can be used in either standard, or latched, operation modes.

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