Details

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BUY TCA785 https://www.utsource.net/itm/p/12533323.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	15	-	30	V	Operating voltage range
Control Voltage	Vc	0	-	12	V	Input control voltage
Output Current	Iout	0.5	-	1.5	A	Maximum output current
Trigger Sensitivity	Vt	0.6	1.2	2.4	V	Threshold voltage for triggering
Non-triggering Voltage	Vnt	0.3	0.6	1.2	V	Voltage below which the trigger is reset
Maximum Power Dissipation	Pd	-	-	1000	mW	Maximum power dissipation
Operating Temperature	Toper	-40	-	125	°C	Operating temperature range
Storage Temperature	Tstg	-55	-	150	°C	Storage temperature range

Instructions for Using TCA785:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 15V to 30V.
   • Connect the positive terminal of the power supply to Vcc and the negative terminal to GND.

2. Control Voltage:

   • Apply the control voltage (Vc) to the control input pin. The control voltage should be between 0V and 12V.
   • The control voltage determines the firing angle of the thyristor or triac.

3. Output Current:

   • The TCA785 can handle an output current (Iout) ranging from 0.5A to 1.5A.
   • Ensure that the load connected to the output does not exceed this current limit.

4. Triggering:

   • The device triggers when the control voltage (Vc) exceeds the trigger sensitivity (Vt), typically between 0.6V and 2.4V.
   • Once triggered, the device remains on until the control voltage drops below the non-triggering voltage (Vnt), typically between 0.3V and 1.2V.

5. Power Dissipation:

   • The maximum power dissipation (Pd) is 1000mW. Ensure adequate heat sinking if operating near this limit.

6. Temperature:

   • The operating temperature range (Toper) is from -40°C to 125°C.
   • The storage temperature range (Tstg) is from -55°C to 150°C.

7. Handling and Storage:

   • Handle the TCA785 with care to avoid static damage.
   • Store the device in a dry environment within the specified storage temperature range.

8. Circuit Design:

   • Use appropriate decoupling capacitors near the power supply pins to filter out noise.
   • Ensure proper grounding and shielding to minimize electromagnetic interference.

9. Safety:

   • Always follow safety guidelines when working with high voltages and currents.
   • Use protective equipment such as gloves and goggles when handling the device.

By following these instructions, you can ensure reliable operation of the TCA785 in your circuit.

(For reference only)