Details

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BUY BU2725DX https://www.utsource.net/itm/p/12610165.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating Range	2.7	-	5.5	V
Output Current	Iout	Continuous	-	1.5	2.0	A
Switching Frequency	fsw	Fixed	-	1.2	-	MHz
Quiescent Current	IQ	Vout = 3.3V, Iout=0mA	60	-	90	渭A
Dropout Voltage	Vdo	Iout = 500mA	-	300	-	mV
Efficiency	畏	@ 3.3V output	-	85	-	%

Instructions for BU2725DX

1. Power Supply Connection:

   • Connect the input voltage (Vcc) to the power supply within the operating range of 2.7V to 5.5V.

2. Output Configuration:

   • Ensure the load does not exceed the maximum continuous output current of 2.0A.
   • The switching frequency is fixed at 1.2MHz, which helps in minimizing external component sizes.

3. Quiescent Current Consideration:

   • The quiescent current can vary between 60渭A and 90渭A when there is no load on the output.

4. Dropout Voltage:

   • Be aware that the dropout voltage is around 300mV at a load current of 500mA. Design your circuit considering this parameter to ensure stable operation.

5. Efficiency:

   • For optimal efficiency, operate the device at its typical efficiency point, which is around 85% at a 3.3V output.

6. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at higher currents or in high ambient temperatures.

7. Capacitor Selection:

   • Choose input and output capacitors based on the ripple voltage and transient response requirements of your application.

8. Layout Recommendations:

   • Keep the layout compact to minimize noise and improve stability. Place decoupling capacitors close to the device.

For detailed specifications and more specific guidelines, refer to the official datasheet provided by the manufacturer.

(For reference only)