Details

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BUY LM2596T-12 TO-220 CHINA ORIGINAL https://www.utsource.net/itm/p/11258274.html

Parameter	Description	Value
Part Number		LM2596T-12
Package Type		TO-220
Country of Origin		China
Type		DC-DC Buck Converter
Input Voltage Range	Minimum Input Voltage	4.5V
	Maximum Input Voltage	40V
Output Voltage	Fixed Output Voltage	12V
Output Current	Maximum Continuous Output Current	3A
Switching Frequency		150kHz
Efficiency	Typical Efficiency	Up to 92%
Operating Temperature	Minimum Operating Temperature	-40掳C
	Maximum Operating Temperature	125掳C
Quiescent Current		5mA (Typical)
Protection Features	Overcurrent Protection	Yes
	Thermal Shutdown	Yes
Pin Configuration	Pin 1	VIN (Input Voltage)
	Pin 2	GND (Ground)
	Pin 3	VOUT (Output Voltage)
Mounting Type		Through-Hole

Instructions for Use

1. Circuit Design:

   • Ensure that the input voltage is within the specified range (4.5V to 40V).
   • Connect the input voltage to the VIN pin and ground to the GND pin.
   • The output voltage will be regulated to 12V, which can be connected to the load through the VOUT pin.

2. Heat Dissipation:

   • The LM2596T-12 in a TO-220 package can dissipate heat effectively, but for high current applications, consider using a heatsink to maintain optimal operating temperature.

3. Capacitors:

   • Use input and output capacitors to stabilize the voltage and reduce ripple. Recommended values are typically 10渭F to 100渭F for both input and output capacitors.

4. Inductor Selection:

   • Choose an inductor with a value between 10渭H to 100渭H, depending on the load requirements and desired performance.

5. PCB Layout:

   • Keep the traces from the input and output capacitors to the IC as short as possible to minimize noise and improve stability.
   • Place the components close to the IC to reduce parasitic inductance and resistance.

6. Testing:

   • Before connecting the load, test the output voltage with a multimeter to ensure it is stable at 12V.
   • Gradually increase the load to check for any overheating or instability.

7. Storage:

   • Store the LM2596T-12 in a dry, cool place to prevent damage from moisture and static electricity.

By following these guidelines, you can ensure reliable operation of the LM2596T-12 DC-DC buck converter.

(For reference only)