Faster photocoupler finds new applications
A Toshiba Electronics Europe product story
Edited by the Electronicstalk editorial team Jun 18, 2008
Miniature photocoupler combines an isolation voltage rating of 3.75kV with switching speeds as much as 2.5x faster than existing devices.
Toshiba Electronics Europe (TEE) has launched a new miniature photocoupler that combines an isolation voltage rating of 3.75kV with switching speeds as much as 2.5x faster than existing devices.
Toshiba's new TLP117 photocoupler integrates a high-speed GaAlAs infra-red LED and a high-gain, high-speed photodetector within a surface mount MFSOP6 package that measures just 4.4 x 3.6 x 2.5mm.
Maximum propagation delay is as low as 20ns, leading to typical switching speeds of 50Mbit/s (NRZ).
The TLP117 photocoupler is ideal for applications requiring a combination of isolation, high speed data transfer and low power operation.
Target applications will include logic systems in plasma panel displays (PDPs) and other digital home appliances, and high speed interfaces in modern factory automation systems.
Operating with a nominal power supply voltage of 5V, the TLP117 has a maximum current consumption of under 5mA.
The photocoupler is configured in an inverter logic (totempole output) format and provides an isolation voltage rated at 3750V RMS.
An internal shield ensures a minimum common mode transient immunity of 10kV/us.
Designed to comply with all international safety approvals, the TLP117 offers guaranteed performance at temperatures ranging from -40 to +105C.
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