Capable of supporting signal transfer speeds of up to 100 kbps, the TLP2703 competes in price with 1 Mbps photocoupler ICs and can be driven by a low input current of only 1 mA.
This new IC features a high current transfer rate (IC/IF) of 900% (min) at an input current of 0.5 mA. Because the guaranteed propagation delay is 25 µs (maximum) at an input current of IF = 1.6 mA, and 7 µs (maximum) at IF = 12 mA, this product is suitable for isolated communication interfaces such as RS-232C.
The widely used and standard RS-232C communication interface operates in the frequency range from several kbps to 100 kbps. For general-purpose applications, couplers are unsatisfactory in terms of performance, while 1 Mbps IC couplers are often too expensive. The TLP2703 is the ideal solution, configured with a high-power infrared LED chip and a high-speed photodarlington transistor.
The TLP2703 is housed in an SO6L package with a maximum height of 2.3 mm. With a creepage distance of 8 mm and an insulation voltage of 5 kVrms, the TLP2703 is suitable for applications requiring high insulation performance. Its guaranteed operating temperature range is up to +125 °C, enabling its use in compact industrial equipment with a higher component density and therefore higher internal temperatures.
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- Category: Other Semiconductors
Photocoupler for RS-232C communication applications at 100 kbps
Toshiba Electronics Europe has launched a new photocoupler suitable for communication applications in factory automation equipment and household appliances.
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