H11L3SVM

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Optoisolators - Logic Output are a type of devices that use an optical blocking element to electrically isolate input and output circuits. As the name implies, these devices use optical input signals to trigger a logic high level output signal, making them ideal for applications in which maximum electrical isolation is desired. One such device is the HL3SVM, a high voltage CMOS optoisolator that offers up to 3000 Vrms of electrical isolation. This article will discuss the various ways the HL3SVM can be used and the physical principles that make it work.

The HL3SVM is an optoisolator suitable for logic gate applications, like AND/OR gates, pulse width modulation, and square wave applications. It works by using an integrated emitter and detector, which are protected within the device’s hermetically sealed enclosure. The emitter is an infrared LED that emits a light signal when current is applied. This light signal is received by a phototransistor on the device’s detector. When the detector receives the infrared light, it converts it into an electrical voltage. This voltage then triggers a logic high level output signal.

In addition to the logic outputs, the HL3SVM also features 1/0 isolation to provide additional noise immunity. This feature provides 1000 Vrms of electrical isolation as long as the optoisolator’s power input is not connected to any external voltage source. This additional level of insulation helps protect the device from external electrical spikes and disturbances.

The HL3SVM also features a wide input voltage range, from 3V to 32V. This makes it an ideal solution for applications where the voltage source may fluctuate over time. Additionally, its input and output terminals are protected against reverse polarity and short circuit conditions, making it extremely reliable and safe for use in a variety of applications.

As previously mentioned, the HL3SVM can be used in logic-based applications, but it can also be used for analog control applications. For example, it can be used to control the speed of a motor or as a light dimmer. By controlling the light intensity of the emitter LED, the output voltage of the detector can be adjusted and used to control the speed of the motor or dim the light. This makes the HL3SVM a versatile and reliable solution for both logic and analog applications.

The HL3SVM is a compact and lightweight device, measuring just 0.5 by 0.4 inches in size. Despite its small size, it is rated for 10kV ESD protection. This makes it ideal for use in both indoor and outdoor applications. Additionally, it has a wide temperature range (-40°C to +125°C) and offers up to a 10-year product life, making it an extremely reliable and durable solution.

The HL3SVM is a highly versatile and reliable optoisolator suitable for a wide range of both analog and logic applications. Its wide input voltage range and isolation capabilities make it ideal for applications where maximum electrical isolation is desired. Additionally, its small size, ESD protection, and wide operating temperature range make it an ideal choice for applications in harsh and high-temperature environments. With its ability to provide reliable isolation and control, the HL3SVM is the perfect solution for a wide range of applications.

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