Details

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BUY MPSU05 https://www.utsource.net/itm/p/12608144.html

Parameter	Symbol	Value	Unit
Input Voltage	VIN	4.75 to 5.25	V
Output Voltage	VOUT	3.3	V
Output Current	IOUT	0.5	A
Efficiency	η	Up to 90%	-
Operating Temperature	TOPR	-40 to +85	°C
Storage Temperature	TSTG	-65 to +150	°C
Quiescent Current	IQ	1.5	mA
Load Regulation	ΔVOUT/ΔIOUT	±1%	-
Line Regulation	ΔVOUT/ΔVIN	±1%	-
Ripple and Noise	VRMS	50	mV
Dropout Voltage	VDROPOUT	0.5	V

Instructions for Use:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to a stable power source within the range of 4.75V to 5.25V.
   • Ensure the ground (GND) is properly connected to the power source ground.

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 3.3V and does not require external resistors for adjustment.
   • Connect the load to the VOUT and GND terminals.

3. Thermal Management:

   • Ensure adequate ventilation or cooling if operating near the maximum output current to prevent overheating.
   • The device can operate within the temperature range of -40°C to +85°C.

4. Load Regulation:

   • The output voltage will remain stable within ±1% over the entire load range from 0 to 0.5A.

5. Line Regulation:

   • The output voltage will remain stable within ±1% over the entire input voltage range from 4.75V to 5.25V.

6. Ripple and Noise:

   • The output ripple and noise should be kept below 50mV RMS to ensure clean power supply to sensitive circuits.

7. Storage:

   • Store the device in a dry environment with temperatures ranging from -65°C to +150°C.

8. Quiescent Current:

   • The quiescent current is 1.5mA, which is the current consumed by the device when no load is applied.

9. Efficiency:

   • The efficiency of the device can reach up to 90%, depending on the load and input conditions.

10. Dropout Voltage:

    • The dropout voltage is 0.5V, meaning the input voltage must be at least 0.5V higher than the output voltage to maintain regulation.

11. Safety Precautions:

    • Do not exceed the maximum input voltage or current ratings to avoid damaging the device.
    • Avoid short-circuiting the output to prevent potential damage to the device and connected components.

(For reference only)