Details

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BUY SVS5N70 https://www.utsource.net/itm/p/12611856.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VIN	4.5	-	42	V	-
Output Voltage	VOUT	5.0	-	5.0	V	-
Output Current	IOUT	-	3.0	5.0	A	-
Efficiency	畏	-	90	-	%	VIN = 12V, IOUT = 3A
Switching Frequency	fSW	-	500	-	kHz	-
Quiescent Current	IQ	-	1.5	-	mA	VIN = 12V, IOUT = 0A
Dropout Voltage	VDROPOUT	-	0.3	-	V	IOUT = 3A
Operating Temperature	TOPR	-40	-	85	掳C	-
Storage Temperature	TSTG	-40	-	125	掳C	-

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 42V.
   • Do not exceed the maximum input voltage to avoid damaging the device.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 5.0V. No external components are required to set this value.

3. Output Current (IOUT):

   • The device can provide a continuous output current of up to 5.0A. For reliable operation, do not exceed this limit.
   • The typical output current is 3.0A under normal conditions.

4. Efficiency (畏):

   • The efficiency is typically 90% when the input voltage is 12V and the output current is 3A.
   • Efficiency may vary with different input voltages and load conditions.

5. Switching Frequency (fSW):

   • The switching frequency is typically 500kHz. This helps in reducing the size of external components like inductors and capacitors.

6. Quiescent Current (IQ):

   • The quiescent current is typically 1.5mA when the input voltage is 12V and there is no load (IOUT = 0A).

7. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 0.3V at an output current of 3A. This ensures stable operation even when the input voltage is close to the output voltage.

8. Operating Temperature (TOPR):

   • The device can operate reliably over a temperature range of -40掳C to 85掳C.
   • Avoid operating the device in environments outside this range to prevent thermal damage.

9. Storage Temperature (TSTG):

   • The device can be stored in temperatures ranging from -40掳C to 125掳C.
   • Store the device in a dry, cool place to ensure long-term reliability.

10. PCB Layout:

    • Ensure proper PCB layout to minimize noise and improve thermal performance.
    • Place the input and output capacitors as close as possible to the device to reduce parasitic inductance.

11. Thermal Management:

    • If operating at high currents or in high ambient temperatures, consider using a heatsink or providing adequate airflow to dissipate heat effectively.

12. Capacitors:

    • Use low ESR capacitors for both input and output to ensure stable operation and minimize ripple.
    • Typical values for input and output capacitors are 10渭F and 22渭F, respectively, but these can vary based on specific application requirements.

13. Inductor Selection:

    • Choose an inductor with a saturation current higher than the maximum output current to avoid inductor saturation.
    • A typical inductor value is 4.7渭H, but this can vary based on the switching frequency and output current requirements.

(For reference only)