Details

---

BUY DM0565R. https://www.utsource.net/itm/p/12608922.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	4.5	-	36	V
Output Voltage	VOUT	-	5	-	V	Fixed
Output Current	IOUT	-	1.5	3	A
Efficiency	η	-	92	-	%
Switching Frequency	fSW	-	650	-	kHz
Quiescent Current	IQ	-	25	-	μA
Load Regulation	ΔVOUT/ΔIOUT	-	0.5	-	mV/A
Line Regulation	ΔVOUT/ΔVIN	-	0.1	-	mV/V
Dropout Voltage	VDROPOUT	-	1.2	-	V
Operating Temperature	TOPR	-40	-	85	°C
Storage Temperature	TSTG	-40	-	125	°C

Instructions:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 36V.
   • Avoid exceeding the maximum input voltage to prevent damage to the device.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 5V. No external components are required to set this voltage.

3. Output Current (IOUT):

   • The device can provide up to 3A of output current, with a typical value of 1.5A.
   • Ensure that the load does not exceed the maximum output current to avoid overheating or damage.

4. Efficiency (η):

   • The efficiency is typically around 92%. This indicates that the device is highly efficient in converting input power to output power.

5. Switching Frequency (fSW):

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

6. Quiescent Current (IQ):

   • The quiescent current is typically 25μA, which is very low, making the device suitable for battery-powered applications.

7. Load Regulation (ΔVOUT/ΔIOUT):

   • The load regulation is 0.5mV/A, indicating that the output voltage changes by 0.5mV for every 1A change in load current.

8. Line Regulation (ΔVOUT/ΔVIN):

   • The line regulation is 0.1mV/V, indicating that the output voltage changes by 0.1mV for every 1V change in input voltage.

9. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 1.2V, which is the minimum difference between the input and output voltages required for the device to maintain regulation.

10. Operating Temperature (TOPR):

    • The device can operate within a temperature range of -40°C to 85°C. Ensure that the ambient temperature is within this range to avoid thermal shutdown or damage.

11. Storage Temperature (TSTG):

    • The device can be stored in temperatures ranging from -40°C to 125°C. However, ensure it is brought back to operating temperature before use.

Additional Notes:

• PCB Layout:
  • Use a good PCB layout with short traces for power and ground connections to minimize noise and improve performance.
• Capacitors:
  • Use high-quality ceramic capacitors for input and output filtering to ensure stable operation.
• Inductor Selection:
  • Choose an inductor with low DC resistance and appropriate saturation current to match the switching frequency and output current requirements.

For detailed application circuits and further information, refer to the datasheet provided by the manufacturer.

(For reference only)