Details

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BUY FSB50660SFT https://www.utsource.net/itm/p/12607777.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	4.5	-	60	V
Output Voltage	VOUT	0.8	-	5.5	V	Adjustable
Output Current	IOUT	-	-	6	A	Continuous
Switching Frequency	fSW	-	600	-	kHz	Fixed
Efficiency	η	-	92	-	%	Typical at VIN = 12V, VOUT = 5V, IOUT = 3A
Quiescent Current	IQ	-	50	-	μA	Shutdown mode
Dropout Voltage	VDROP	-	120	-	mV	At IOUT = 6A, VOUT = 5V
Load Transient Response	ΔVOUT	-	±2	-	%	10% to 90% load step
Line Transient Response	ΔVOUT	-	±1	-	%	10% to 90% line step
Operating Temperature	TOP	-40	-	125	°C
Storage Temperature	TSTG	-55	-	150	°C

Instructions for Using FSB50660SFT

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the appropriate pin.
   • Ensure the input voltage is within the specified range (4.5V to 60V).

2. Output Configuration:

   • Set the output voltage (V_OUT) using the external resistor divider network.
   • The output voltage can be adjusted between 0.8V and 5.5V.

3. Load Connection:

   • Connect the load to the output pins (V_OUT and GND).
   • Ensure the load current does not exceed the maximum output current (6A).

4. Thermal Management:

   • Place the device on a heatsink or PCB with adequate thermal vias to ensure proper heat dissipation.
   • Monitor the operating temperature to ensure it stays within the specified range (-40°C to 125°C).

5. Protection Features:

   • The device includes overcurrent, overvoltage, and thermal protection.
   • In case of an overcurrent event, the device will automatically shut down and restart after a short delay.

6. Shutdown Mode:

   • To put the device into shutdown mode, apply a low signal to the enable pin (EN).
   • The quiescent current in shutdown mode is typically 50μA.

7. Capacitor Selection:

   • Use high-quality input and output capacitors to ensure stability and minimize ripple.
   • Recommended input capacitance: 10μF to 100μF.
   • Recommended output capacitance: 10μF to 100μF.

8. Layout Considerations:

   • Keep the input and output capacitor leads as short as possible to minimize parasitic inductance.
   • Route the ground plane carefully to avoid noise and interference.

9. Testing and Validation:

   • Test the device under various load and input conditions to ensure stable operation.
   • Verify the output voltage accuracy and transient response using an oscilloscope.

10. Compliance and Standards:

    • Ensure the device complies with relevant safety and electromagnetic compatibility (EMC) standards for your application.

(For reference only)