TLP523-2

BUY TLP523-2 https://www.utsource.net/itm/p/1376073.html
Optocoupler - Transistor Output, 2 CHANNEL DARLINGTON OUTPUT OPTOCOUPLER, PLASTIC, 11-10C4, DIP-8

Below is the parameter table and instructions for the TLP523-2 optocoupler:

TLP523-2 Parameter Table

Instructions for TLP523-2

1. Power Supply:

   • Ensure that the supply voltage to the LED side (V_CC1) and the transistor side (V_CC2) are within the specified limits.
   • For the LED side, V_CC1 should be between 1.0V and 5.0V.
   • For the transistor side, V_CC2 should be between 0V and 70V.

2. Forward Current (I_F):

   • The forward current through the LED should not exceed 50 mA continuously.
   • For short pulses, the peak forward current can be up to 150 mA for a duration of 1 ms.

3. Current Transfer Ratio (CTR):

   • The CTR of the TLP523-2 ranges from 50% to 300%. This means that for every 1 mA of forward current (I_F), the collector current (I_C) will be between 0.5 mA and 3 mA.
   • To ensure reliable operation, design the circuit to operate at the lower end of the CTR range.

4. Collector-Emitter Voltage (V_CEO):

   • The maximum collector-emitter voltage should not exceed 70V. Ensure that the load connected to the transistor side does not cause the voltage to exceed this limit.

5. Isolation Voltage:

   • The TLP523-2 provides an isolation voltage of up to 5000 Vrms for 1 minute at 50/60 Hz. This ensures that there is no electrical connection between the input and output sides, providing galvanic isolation.

6. Temperature Considerations:

   • The operating temperature range is from -40°C to 110°C. Ensure that the device is used within this range to avoid thermal damage.
   • The storage temperature range is from -55°C to 150°C, which allows the device to be stored in a wide range of environments.

7. Mounting and Handling:

   • Handle the TLP523-2 with care to avoid mechanical stress or damage to the leads.
   • Follow proper soldering techniques to ensure reliable connections. Avoid excessive heat during soldering, as it can damage the internal components.

8. Testing and Troubleshooting:

   • Test the device by applying a known forward current to the LED and measuring the corresponding collector current on the transistor side.
   • If the device is not working as expected, check for proper connections, correct polarity, and ensure that the supply voltages are within the specified limits.

By following these parameters and instructions, you can ensure the reliable and efficient operation of the TLP523-2 optocoupler in your application.