Details

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BUY NCP302045 https://www.utsource.net/itm/p/12607990.html

Parameter	Symbol	Min	Typ	Max	Unit
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage	VOUT	1.2	-	5.0	V
Output Current	IOUT	-	2.0	2.5	A
Quiescent Current	IQ	-	40	60	渭A
Dropout Voltage	VDROPOUT	-	250	400	mV
Load Regulation	-	-	1	2	%
Line Regulation	-	-	0.1	0.2	%/V
Ripple Rejection	-	-	60	80	dB
Operating Temperature	TOPR	-40	-	125	掳C
Storage Temperature	TSTG	-65	-	150	掳C
Thermal Shutdown	-	-	160	-	掳C

Instructions for Using NCP302045

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Use appropriate input capacitors to stabilize the input voltage.

2. Output Voltage (VOUT):

   • Set the output voltage using external resistors according to the formula provided in the datasheet.
   • Use a low-ESR output capacitor to filter the output and reduce ripple.

3. Output Current (IOUT):

   • The typical output current is 2.0A, with a maximum of 2.5A.
   • Ensure the load does not exceed the maximum output current to avoid overheating or damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 40渭A and can go up to 60渭A.
   • This is the current consumed by the regulator when no load is present.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 250mV and can go up to 400mV.
   • Ensure the input voltage is at least this much higher than the output voltage to maintain regulation.

6. Load Regulation:

   • The load regulation is typically 1% and can go up to 2%.
   • This indicates how much the output voltage changes with varying load currents.

7. Line Regulation:

   • The line regulation is typically 0.1%/V and can go up to 0.2%/V.
   • This indicates how much the output voltage changes with varying input voltages.

8. Ripple Rejection:

   • The ripple rejection is typically 60dB and can go up to 80dB.
   • This measures the ability of the regulator to reject input voltage ripple.

9. Operating Temperature (TOPR):

   • The operating temperature range is from -40掳C to 125掳C.
   • Ensure the device is used within this temperature range to avoid thermal stress.

10. Storage Temperature (TSTG):

    • The storage temperature range is from -65掳C to 150掳C.
    • Store the device in a dry and cool environment to prevent damage.

11. Thermal Shutdown:

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

12. PCB Layout:

    • Place the input and output capacitors as close as possible to the regulator to minimize noise and improve stability.
    • Use wide traces for power connections to reduce resistance and heat generation.

13. Protection Features:

    • The NCP302045 includes overcurrent protection and thermal shutdown to protect against short circuits and excessive temperatures.

By following these guidelines, you can ensure optimal performance and reliability of the NCP302045 in your application.

(For reference only)