Details

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Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage	VIN	4.5	-	28	V	Operating range for the input voltage
Output Voltage	VOUT	1.2	-	5.0	V	Adjustable output voltage, set by external resistors
Output Current	IOUT	-	3.0	5.0	A	Maximum continuous output current
Efficiency	η	-	92%	-	%	Typical efficiency at full load
Switching Frequency	fSW	-	500	-	kHz	Fixed switching frequency
Quiescent Current	IQ	-	70	-	μA	Quiescent current at no load
Dropout Voltage	VDROPOUT	-	1.2	-	V	Typical dropout voltage at full load
Load Regulation	ΔVOUT/ΔILOAD	-	0.5%	-	%/A	Change in output voltage per change in load current
Line Regulation	ΔVOUT/ΔVIN	-	0.1%	-	%/V	Change in output voltage per change in input voltage
Thermal Shutdown	TSD	-	160	-	°C	Temperature at which the device enters thermal shutdown
Operating Temperature	TOP	-40	-	125	°C	Ambient temperature range for operation
Storage Temperature	TSTG	-65	-	150	°C	Temperature range for storage

Instructions:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range (4.5V to 28V) to avoid damage or improper operation.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted using external resistors. Use the formula provided in the datasheet to calculate the resistor values.

3. Output Current (IOUT):

   • The maximum continuous output current is 5A. Ensure that the load does not exceed this limit to prevent overheating or damage.

4. Efficiency:

   • The typical efficiency is 92% at full load. Monitor the power consumption to ensure optimal performance.

5. Switching Frequency (fSW):

   • The fixed switching frequency is 500kHz. This value should not be altered as it is internal to the device.

6. Quiescent Current (IQ):

   • The quiescent current is typically 70μA at no load. This is important for low-power applications.

7. Dropout Voltage (VDROPOUT):

   • The typical dropout voltage is 1.2V at full load. Ensure that the input voltage is always higher than the sum of the output voltage and the dropout voltage.

8. Load Regulation:

   • The load regulation is 0.5% per ampere of load current. This indicates how much the output voltage changes with varying load currents.

9. Line Regulation:

   • The line regulation is 0.1% per volt of input voltage. This indicates how much the output voltage changes with varying input voltages.

10. Thermal Shutdown (TSD):

    • The device will enter thermal shutdown at approximately 160°C to protect against overheating. Ensure proper heat dissipation and cooling.

11. Operating Temperature (TOP):

    • The device can operate in ambient temperatures ranging from -40°C to 125°C. Ensure that the operating environment is within these limits.

12. Storage Temperature (TSTG):

    • The device can be stored in temperatures ranging from -65°C to 150°C. Store the device in a dry, cool place to prevent damage.

Additional Notes:

• Always refer to the datasheet for detailed information and specific application notes.
• Proper PCB layout and component selection are crucial for optimal performance and reliability.

(For reference only)