Details

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Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	2.5	-	5.5	V
Output Voltage	VOUT	Adjustable	0.8	-	3.6	V
Quiescent Current	IQ	VIN = 5V	-	1.2	-	渭A
Efficiency	畏	VIN = 5V, IOUT=1A	-	90	-	%
Switching Frequency	fSW	Default setting	-	2.4	-	MHz
Load Current	IOUT	Continuous	-	3	-	A
Dropout Voltage	VDROPOUT	IOUT=3A	-	300	-	mV

Instructions for MP24971

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply ensuring it is within the range of 2.5V to 5.5V.

2. Output Voltage Setting:

   • Adjust the output voltage (VOUT) using the external resistors connected to the FB pin. The adjustable range is from 0.8V to 3.6V.

3. Efficiency Consideration:

   • For optimal efficiency, operate under conditions where the load current and input voltage are as specified in the efficiency parameter.

4. Switching Frequency Adjustment:

   • The default switching frequency is set at 2.4MHz. This can be adjusted if necessary by changing the external components according to the datasheet guidelines.

5. Thermal Management:

   • Ensure adequate heat dissipation when operating at higher currents to maintain device reliability and performance.

6. Capacitor Selection:

   • Choose input and output capacitors that provide low ESR and sufficient capacitance to stabilize the circuit and reduce ripple.

7. Layout Considerations:

   • Follow recommended PCB layout practices to minimize noise and parasitic effects, enhancing overall performance.

(For reference only)