Details

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BUY FA5515N https://www.utsource.net/itm/p/12606436.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	4.5	5	5.5	V	Operating supply voltage
Output Current	Iout	-	500	700	mA	Maximum output current
Quiescent Current	Iq	-	3	5	mA	Quiescent current at no load
Dropout Voltage	Vdo	-	200	300	mV	Voltage difference between input and output when fully loaded
Efficiency	畏	80	90	95	%	Efficiency at full load
Operating Temperature	Topr	-40	25	85	掳C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	掳C	Storage temperature range
Junction Temperature	Tj	-	-	150	掳C	Maximum junction temperature
Thermal Resistance	Rth	-	40	50	掳C/W	Thermal resistance (junction to ambient)

Instructions for Using FA5515N

1. Power Supply:

   • Ensure the supply voltage is within the specified range of 4.5V to 5.5V.
   • Use appropriate decoupling capacitors (typically 10渭F and 0.1渭F) close to the input and output pins to stabilize the power supply.

2. Output Load:

   • The maximum output current should not exceed 700mA.
   • For optimal performance, keep the load current within the typical range of 500mA.

3. Thermal Management:

   • Ensure adequate heat dissipation to keep the junction temperature below 150掳C.
   • Use a heatsink if the device is operating near its maximum current or in high ambient temperatures.

4. Operating Conditions:

   • The device is designed to operate within the temperature range of -40掳C to 85掳C.
   • Store the device in a temperature range of -65掳C to 150掳C.

5. Efficiency:

   • The efficiency is maximized at full load conditions.
   • Monitor the efficiency to ensure it remains within the 80% to 95% range for optimal performance.

6. Dropout Voltage:

   • The dropout voltage is typically 200mV to 300mV.
   • Ensure the input voltage is at least 300mV higher than the output voltage to maintain regulation.

7. Quiescent Current:

   • The quiescent current is typically 3mA and can go up to 5mA.
   • This current is drawn even when there is no load on the output.

8. Mounting and Handling:

   • Follow standard ESD (Electrostatic Discharge) precautions during handling and mounting.
   • Ensure proper soldering techniques to avoid thermal damage.

By following these guidelines, you can ensure reliable and efficient operation of the FA5515N.

(For reference only)