15Mb/s photocoupler features low power consumption

10th June 2015
Nat Bowers

Combining 15Mb/s high-speed communication with low power consumption, Toshiba has launched a photocoupler for applications including PV inverters, servo amplifiers, FA networks and I/O interfaces. The TLP2761 guarantees a minimum creepage and clearance distance of 8mm and minimum isolation voltage of 5000Vrms, making it suitable for applications requiring higher isolation specs.

The TLP2761 photocoupler is housed in a SO6L package that measures just 2.3mm high, making it approximately 45% slimmer than conventional SDIP package products. The device will contribute to the development of thinner and smaller sets.

By incorporating Toshiba's original high output infrared LEDs in the input side, the TLP2761 reduces the threshold input current by approximately 54% compared with conventional products such as Toshiba’s TLP2766 which is housed in an SDIP6 package.

The photocoupler integrates a photo detector IC, die fabricated using a Bi-CMOS process in the output side, and reduces the supply current by approximately 66% compared to the TLP2766. It supports a maximum low threshold input current of 1.6mA (typically 6mW) and maximum low supply current of 1.0mA (typically 2.1mW). The photocoupler can contribute to lowering the operation voltage of sets with guaranteed supply voltage of 2.7 to 5.5V, at temperatures up to +125°C.

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