Details

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BUY IR6220S https://www.utsource.net/itm/p/7626366.html
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Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Input Voltage	VIN	4.5	-	30	V	Continuous operation
Output Voltage Range	VOUT	1.23	-	28	V	Adjustable
Output Current	IOUT	-	-	3	A	Continuous operation
Switching Frequency	fSW	100	-	1000	kHz	Adjustable
Quiescent Current	IQ	-	1.5	2.5	mA	VIN = 5V
Shutdown Current	ISD	-	1	2	μA	VIN = 5V
Efficiency	η	-	92%	-	%	VIN = 12V, VOUT = 5V, IOUT = 1A
Thermal Shutdown	TSD	-	160	-	°C	-
Protection Features	-	-	-	-	-	Overcurrent, Overtemperature, Short-circuit

Instructions for Using the IR6220S

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the range of 4.5V to 30V.
   • Use a stable power supply to avoid voltage fluctuations.

2. Output Voltage (V_OUT):

   • The output voltage can be adjusted using external resistors.
   • Calculate the resistor values using the formula: V_OUT = 1.23 * (1 + R₂/R₁).

3. Output Current (I_OUT):

   • The maximum continuous output current is 3A.
   • Ensure proper heat dissipation if operating at high currents.

4. Switching Frequency (f_SW):

   • The switching frequency can be set between 100kHz and 1000kHz.
   • Adjust the frequency using an external resistor connected to the RT pin.

5. Quiescent Current (I_Q):

   • The typical quiescent current is 1.5mA.
   • This value may vary slightly depending on the input voltage.

6. Shutdown Current (I_SD):

   • The shutdown current is typically 1μA.
   • Pull the SHDN pin low to enter shutdown mode.

7. Efficiency (η):

   • The efficiency is typically 92% under the specified conditions.
   • Optimize the efficiency by selecting appropriate inductors and capacitors.

8. Thermal Shutdown (T_SD):

   • The device will shut down if the temperature exceeds 160°C.
   • Ensure adequate cooling to prevent thermal shutdown.

9. Protection Features:

   • The IR6220S includes overcurrent, overtemperature, and short-circuit protection.
   • These features help protect the device and the load from damage.

10. Layout Considerations:

    • Place the input and output capacitors as close as possible to the IC.
    • Use wide traces for the ground and power lines to minimize inductance and resistance.
    • Ensure good thermal management, especially when operating at high currents or in high ambient temperatures.

By following these instructions, you can ensure optimal performance and reliability of the IR6220S in your application.

(For reference only)