Details

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BUY TOP243R https://www.utsource.net/itm/p/12541617.html

Below is the parameter table and instructions for the TOP243R from Power Integrations:

TOP243R Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Test Conditions
Input Voltage	VIN	100	-	265	VAC
Output Voltage	VOUT	5	-	15	VDC
Output Current	IOUT	-	3	-	A
Power Output	POUT	-	20	-	W
Operating Frequency	fSW	-	70	-	kHz
Quiescent Current	IQ	-	2.5	-	mA
Start-Up Time	tSTART	-	500	-	ms
Thermal Shutdown Temperature	TSD	-	150	-	°C
Storage Temperature Range	TSTG	-40	-	85	°C
Junction Temperature	TJ	-40	-	150	°C

Instructions for TOP243R

1. Design Considerations:

   • Ensure that the input voltage range (100VAC to 265VAC) is compatible with your application.
   • The output voltage (5VDC to 15VDC) should be selected based on the load requirements.
   • The maximum output current is 3A, and the power output is 20W.

2. Circuit Design:

   • Use appropriate input filtering and surge protection components to ensure reliable operation.
   • Select the output capacitor to maintain stability and reduce ripple.
   • Use a heat sink if necessary to keep the junction temperature within the specified range.

3. PCB Layout:

   • Place the TOP243R close to the high-power components to minimize trace inductance.
   • Use wide and short traces for high-current paths to reduce losses.
   • Ensure proper grounding and shielding to minimize EMI.

4. Thermal Management:

   • Monitor the temperature of the device during operation to prevent thermal shutdown.
   • If the ambient temperature exceeds 85°C, consider using a heatsink or forced air cooling.

5. Testing:

   • Perform initial testing at the minimum and maximum input voltages to ensure stable operation.
   • Measure the output voltage and current under different load conditions to verify performance.
   • Check the start-up time and ensure it meets the application requirements.

6. Safety:

   • Follow all relevant safety standards and guidelines when designing and testing the circuit.
   • Use isolation transformers and other safety measures to protect against electrical hazards.

By following these parameters and instructions, you can effectively design and implement a power supply using the TOP243R.

(For reference only)