Details

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BUY SPG8640BN https://www.utsource.net/itm/p/12607304.html

Parameter	Description	Min	Typ	Max	Unit
Input Voltage (Vcc)	Operating voltage range	2.7	-	5.5	V
Output Voltage (Vout)	Fixed output voltage	-	3.3	-	V
Output Current (Iout)	Maximum continuous output current	-	1.5	2.0	A
Quiescent Current (Iq)	Supply current at no load	-	30	-	渭A
Dropout Voltage (Vdo)	Difference between input and output voltage at full load	-	200	300	mV
Load Regulation	Change in output voltage due to load changes	-	0.5	-	%
Line Regulation	Change in output voltage due to input voltage changes	-	0.1	-	%
Thermal Shutdown Temperature (TSD)	Temperature at which the device shuts down to prevent damage	-	160	-	掳C
Operating Junction Temperature (Tj)	Range of temperatures over which the device can operate	-40	-	125	掳C
Storage Temperature (Tstg)	Range of temperatures for storage	-65	-	150	掳C

Instructions for Using SPG8640BN

1. Input Voltage:

   • Ensure the input voltage is within the operating range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (typically 10渭F ceramic or tantalum) close to the input pin to stabilize the input voltage.

2. Output Voltage:

   • The SPG8640BN provides a fixed output voltage of 3.3V.
   • Connect a bypass capacitor (typically 10渭F) close to the output pin to filter out noise and ensure stable output.

3. Output Current:

   • The maximum continuous output current is 2.0A, with a typical value of 1.5A.
   • Ensure the load does not exceed these limits to avoid overheating or damage to the device.

4. Thermal Management:

   • The device has a thermal shutdown feature that activates at approximately 160掳C.
   • Use a heatsink or provide adequate airflow if the device is expected to operate near its maximum power dissipation.

5. Decoupling Capacitors:

   • Use high-quality, low ESR capacitors for both input and output to ensure stability and reduce ripple.
   • Place these capacitors as close as possible to the respective pins to minimize inductance.

6. PCB Layout:

   • Follow good PCB layout practices to minimize parasitic inductance and resistance.
   • Keep the ground plane solid and wide to improve heat dissipation and signal integrity.

7. Storage and Handling:

   • Store the device in a dry, cool environment within the temperature range of -65掳C to 150掳C.
   • Handle the device with care to avoid static discharge and physical damage.

8. Testing:

   • Before finalizing the design, test the circuit under various conditions (e.g., different input voltages, load currents) to ensure it meets the required specifications.

9. Compliance:

   • Ensure the design complies with relevant safety and regulatory standards for your application.

By following these instructions, you can effectively use the SPG8640BN in your power supply designs.

(For reference only)