HCPL-T250#500

Current - Output High, Low:	500mA, 500mA
Approvals:	CSA, UR
Supplier Device Package:	8-DIP Gull Wing
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 85°C
Voltage - Supply:	15 V ~ 30 V
Current - DC Forward (If) (Max):	20mA
Voltage - Forward (Vf) (Typ):	1.6V
Current - Peak Output:	1.5A
Series:	--
Rise / Fall Time (Typ):	--
Pulse Width Distortion (Max):	--
Propagation Delay tpLH / tpHL (Max):	500ns, 500ns
Common Mode Transient Immunity (Min):	5kV/µs
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Technology:	Optical Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Isolators-Gate Drivers

Isolators-Gate Drivers are devices that provide electrical isolation and signal conditioning for a variety of electronic components. They can be used to create a controlled environment that eliminates stray currents that could interfere with measurement results and other important functions. Isolators-Gate Drivers are available in different form factors and configurations to match the application\'s specific requirements.The HCPL-T250#500 is a popular isolator-gate driver for applications that require high switching speeds and wide voltage/temperature ranges. This device offers up to 50mA of output drive current to reduce power consumption and improve circuit response times. Its low propagation delay time of 35 ns, high isolation voltage of 500 Vrms, and wide temperature range make the HCPL-T250#500 a great choice for demanding applications.

HCPL-T250#500 Application Field and Working Principle

The HCPL-T250#500 isolator-gate driver is suitable for use in controlling loads that require high switching speeds such as in motor drives and power conversion. This device is also ideal for measuring and controlling circuits that are not accessible with physical connections. It can provide electrical isolation between the input signal and the output signal to prevent interference, while maintaining high levels of signal accuracy.The HCPL-T250#500 working principle is based on the use of an optocoupler to provide electrical isolation between the input signal and the output signal. The optocoupler consists of a LED and a photodetector that are connected with an optically transparent material. The LED emits light when it receives an input signal, which is detected by the photodetector and used to generate an output signal. This output signal is isolated electrically from the input signal, while still keeping the same signal shape and level of accuracy as the original signal.The HCPL-T250#500 also features a slew-rate control circuit to further reduce propagation delays and increase power efficiency. This circuit ensures the output signal reaches the load in a smooth and predictable fashion, preventing the level of the output signal from “overshooting” or “undershooting” the desired level. This improves the response time and accuracy of the signal, and prevents the output from being distorted by transient currents.

Conclusion

The HCPL-T250#500 isolator-gate driver offers reliable signal isolation in a variety of applications requiring high switching speeds and robust signal accuracy. It features an optocoupler-based working principle to electrically isolate the input signal from the output, and a slew-rate control circuit to ensure smooth and precise output. With its wide temperature range and high isolation voltage, the HCPL-T250#500 is a great choice for applications requiring high-performance isolation.

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