Details

---

BUY FAN6754MR https://www.utsource.net/itm/p/12607635.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Input Voltage	VIN	4.0	-	30.0	V	Operating input voltage range
Output Voltage	VOUT	-	5.0	-	V	Programmable output voltage
Switching Frequency	fSW	100	650	1000	kHz	Adjustable switching frequency
Load Regulation	ΔVOUT/ΔILOAD	-	0.5	-	%	Change in output voltage with load
Line Regulation	ΔVOUT/ΔVIN	-	0.2	-	%	Change in output voltage with input voltage
Efficiency (Typical)	η	-	92	-	%	Efficiency at typical operating conditions
Quiescent Current	IQ	-	1.5	-	mA	Quiescent current
Output Current Limit	IOLIM	-	3.0	-	A	Maximum output current limit
Thermal Shutdown Temperature	TSD	-	160	-	°C	Temperature at which thermal shutdown occurs
Operating Temperature Range	TOPR	-40	-	85	°C	Operating temperature range
Storage Temperature Range	TSTG	-65	-	150	°C	Storage temperature range

Instructions for Using the FAN6754MR

1. Input Voltage Connection:

   • Connect the input voltage (VIN) to the power supply within the specified range (4.0V to 30.0V).

2. Output Voltage Configuration:

   • Use external resistors to set the desired output voltage (VOUT). The typical output voltage is 5.0V, but it can be adjusted using the feedback (FB) pin.

3. Switching Frequency Adjustment:

   • Adjust the switching frequency (fSW) by connecting an external resistor to the FSW pin. The typical frequency is 650kHz, but it can be set between 100kHz and 1000kHz.

4. Load Regulation:

   • Ensure that the load regulation is within the specified limits (0.5%) to maintain stable output voltage under varying load conditions.

5. Line Regulation:

   • Verify that the line regulation is within the specified limits (0.2%) to ensure stable output voltage with changes in input voltage.

6. Efficiency Optimization:

   • For optimal efficiency (typically 92%), operate the device within its recommended operating conditions and use appropriate external components.

7. Quiescent Current Management:

   • The quiescent current (IQ) is typically 1.5mA. Ensure that this is accounted for in the overall power budget of your design.

8. Output Current Limit:

   • The maximum output current limit (IOLIM) is 3.0A. Design your circuit to handle this maximum current to avoid damage.

9. Thermal Management:

   • Monitor the temperature to ensure it does not exceed the thermal shutdown temperature (TSD) of 160°C. Use proper heat sinking if necessary.

10. Operating and Storage Temperature:

    • Operate the device within the specified temperature range (TOPR: -40°C to 85°C) and store it within the storage temperature range (TSTG: -65°C to 150°C).

11. Protection Features:

    • The device includes overcurrent protection, overvoltage protection, and thermal shutdown to protect against common fault conditions.

12. Layout Considerations:

    • Follow good PCB layout practices to minimize noise and parasitic effects. Keep high-current paths short and wide, and use ground planes to reduce inductance.

13. Component Selection:

    • Choose external components (inductors, capacitors, resistors) that meet the specifications and are suitable for the intended operating conditions.

14. Testing and Validation:

    • Test the circuit under various operating conditions to ensure it meets the required performance specifications. Validate the design through thorough testing and verification.

(For reference only)