Details

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BUY PN8358SSC-R1 https://www.utsource.net/itm/p/12603577.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	4.0	-	36	V
Output Voltage	VOUT	1.2	-	15	V	Adjustable
Output Current	IOUT	-	-	3	A
Switching Frequency	fSW	-	650	-	kHz	Fixed
Efficiency	畏	-	93	-	%	Typical at 5V in, 3.3V out, 1A load
Quiescent Current	IQ	-	50	-	渭A	Shutdown mode
Load Regulation	-	-	0.5	-	%	10% to 100% load
Line Regulation	-	-	0.1	-	%/V	Over input voltage range
Dropout Voltage	VDROPOUT	-	200	-	mV	At 3A load
Start-Up Time	tSTART	-	3	-	ms	Typical
Short-Circuit Protection	SCP	-	-	-	-	Auto-restart
Thermal Shutdown	TSD	-	160	-	掳C	Typical
Operating Temperature	TOPR	-40	-	125	掳C
Storage Temperature	TSTG	-65	-	150	掳C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range of 4.0V to 36V.
   • Avoid exceeding the maximum input voltage to prevent damage.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted between 1.2V and 15V.
   • Use an external resistor divider to set the desired output voltage.

3. Output Current (IOUT):

   • The maximum continuous output current is 3A.
   • Ensure the load does not exceed this limit to avoid overheating or damage.

4. Switching Frequency (fSW):

   • The switching frequency is fixed at 650kHz.
   • This helps in reducing the size of external components like inductors and capacitors.

5. Efficiency (畏):

   • The typical efficiency is 93% under standard conditions (5V in, 3.3V out, 1A load).
   • Efficiency may vary with different input and output conditions.

6. Quiescent Current (IQ):

   • In shutdown mode, the quiescent current is typically 50渭A.
   • This low current draw helps in extending battery life in portable applications.

7. Load Regulation:

   • The load regulation is typically 0.5% over the load range from 10% to 100%.
   • This ensures stable output voltage under varying load conditions.

8. Line Regulation:

   • The line regulation is typically 0.1%/V over the input voltage range.
   • This ensures stable output voltage even when the input voltage varies.

9. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 200mV at a 3A load.
   • This allows the regulator to operate efficiently even when the input voltage is close to the output voltage.

10. Start-Up Time (tSTART):

    • The typical start-up time is 3ms.
    • This is the time it takes for the output voltage to stabilize after power is applied.

11. Short-Circuit Protection (SCP):

    • The device has built-in short-circuit protection with auto-restart.
    • This feature helps in preventing damage due to accidental short circuits.

12. Thermal Shutdown (TSD):

    • The thermal shutdown temperature is typically 160掳C.
    • The device will shut down to prevent damage if the internal temperature exceeds this threshold.

13. Operating Temperature (TOPR):

    • The operating temperature range is from -40掳C to 125掳C.
    • Ensure the ambient temperature is within this range for reliable operation.

14. Storage Temperature (TSTG):

    • The storage temperature range is from -65掳C to 150掳C.
    • Store the device in a dry place within this temperature range 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)