Details

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BUY MDP1991 https://www.utsource.net/itm/p/12611903.html

Parameter	Symbol	Value	Unit
Input Voltage	VIN	2.7 to 5.5	V
Output Current	IOUT	0 to 3	A
Efficiency	η	Up to 92%	%
Operating Temp.	Toper	-40 to +85	°C
Storage Temp.	Tstg	-65 to +150	°C
Quiescent Current	IQ	25	μA
Load Regulation	ΔVOUT	±1%	%
Line Regulation	ΔVOUT	±0.5%	%
Dropout Voltage	VDROPOUT	120	mV
Protection		Overcurrent, Thermal Shutdown	-

Instructions for Use:

1. Power Supply Connection:

   • Connect the input voltage (VIN) between the VIN and GND pins.
   • Ensure the input voltage is within the specified range of 2.7V to 5.5V.

2. Output Configuration:

   • Connect the load to the VOUT and GND pins.
   • The output current (IOUT) should not exceed 3A.

3. Thermal Management:

   • Place the device on a heat sink or ensure adequate airflow to manage the operating temperature.
   • The device operates efficiently within the temperature range of -40°C to +85°C.

4. Quiescent Current:

   • The quiescent current (IQ) is 25μA, which is low and suitable for battery-powered applications.

5. Regulation:

   • The load regulation is ±1%, ensuring stable output under varying load conditions.
   • The line regulation is ±0.5%, maintaining output stability with changes in input voltage.

6. Protection Features:

   • The device includes overcurrent protection and thermal shutdown to prevent damage under fault conditions.

7. Storage:

   • Store the device in a dry environment within the temperature range of -65°C to +150°C.

8. ** Dropout Voltage:**

   • The dropout voltage (VDROPOUT) is 120mV, allowing efficient operation even at low input voltages.

9. Efficiency:

   • The device can achieve up to 92% efficiency, making it suitable for high-performance applications.

10. Mounting:

    • Solder the device onto the PCB according to the recommended footprint and soldering profile provided in the datasheet.

11. Testing:

    • After assembly, test the device under typical operating conditions to ensure proper functionality.

(For reference only)