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Photocouplers Infrared LED & Photo IC
TLP2391
TLP2391
1. Applications
• Programmable Logic Controllers (PLCs) • Industrial Inverters • High-Speed Digital Interfacing for Instrumentation and Control Devices
2. General
The Toshiba TLP2391 consists of two high-output infurared LED coupled with a high-gain, high-speed photo detector. It is housed in the SO6 package. Since it is making two LED reverse parallel, it can be dealt with both sinking and sourcing input signals. Since TLP2391 has guaranteed 1 mA low supply current (ICCL/ICCH), and 2.5 mA (VCC = 5 V) low threshold input current(IFHL), it contributes to energy saving of devices. The detector has a totem-pole output stage with current sourcing and sinking capabilities.