HCPL4503TSVM

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The HCPL4503TSVM Optoisolator is a transistor, photovoltaic output optoisolator that provides ultra-high common-mode transient immunity (CMTI) in frequency isolated, limited bandwidth applications. The device is ideal for applications where high EMI susceptibility and isolation from power line disturbances are required. Applications include medical equipment, measuring instruments, robotic control, industrial automation, and consumer electronics.

HCPL4503TSVM provides very high common-mode transient immunity (CMTI). It is designed to be isolated from the power line disturbances encountered in high-CMTI applications. This device operates at high speeds up to 1 MHz allowing it to maintain signal integrity while providing isolation. The HCPL4503TSVM provides high EMI suppression, making it an ideal choice for digital optically isolated applications. Additionally, the device has a wide operating temperature range of -40°C to 85°C (-40°F to 185°F) for extended reliability and durability.

The HCPL4503TSVM is designed with a dual photovoltaic output, which offers excellent immunity from false triggering due to EMI. The device works in a photovoltaic mode, so it is activated by light of any frequency. The device responds to both positive and negative signals, making it suitable for applications that require both positive and negative signal detection. The device features a 50 mA continuous output current with a maximum voltage of 30 V and a wide operating temperature range of-40°C to 85°C (-40°F to 185°F). The device also features a reverse voltage protection and low current consumption.

The HCPL4503TSVM optoisolator utilizes a packaged design that contains both the phototransistor and the LED die. Both components are mounted inside the housing and protected by an opaque black top cover. The device works by combining the electrical signal from the input source with the light emitted by the LED die. The LED’s light is then used to drive the transistors internal photovoltaic mechanism. This mechanism drives the phototransistor output which then activates or deactivates the output circuit. The LED die is activated by the input source and works in a photovoltaic mode, so the LED does not require any signal or power transfer to activate or deactivate its output.

The HCPL4503TSVM optoisolator offers improved performance over other optoisolators due to its high common-mode transient immunity and its high-speed operation up to 1 MHz. This device also features a low profile design and an extended operating temperature range. in addition to its excellent isolation and EMI suppression characteristics. The device is ideal for use in digital optically isolated applications, medical equipment, industrial automation, robotics, and consumer electronics.

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