Details

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BUY AP9565BGM https://www.utsource.net/itm/p/12591238.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating Range	2.7	-	5.5	V
Output Voltage	VOUT	Fixed Output	-	3.3	-	V
Output Current	IOUT	Continuous Operation	-	600	-	mA
Quiescent Current	IQ	VIN = 5V	-	1.8	-	μA
Dropout Voltage	VDROPOUT	IOUT = 300mA	-	300	-	mV
PSRR		@ 1kHz	-	70	-	dB
Load Regulation		1mA to 300mA	-	0.2	-	%
Line Regulation		VIN from 2.7V to 5.5V	-	0.1	-	%

Instructions for AP9565BGM

1. Input Voltage Connection:

   • Connect the input voltage within the range of 2.7V to 5.5V to the VIN pin.

2. Output Voltage:

   • The device provides a fixed output voltage of 3.3V. Ensure your circuit is designed to operate with this voltage level.

3. Output Current:

   • The regulator can supply up to 600mA continuously. Ensure that the load does not exceed this limit to avoid overheating or damage.

4. Quiescent Current:

   • The quiescent current is very low, typically around 1.8μA at 5V input, making it suitable for battery-operated devices.

5. Dropout Voltage:

   • At an output current of 300mA, the dropout voltage is approximately 300mV. Ensure the input voltage is sufficiently higher than the output voltage by at least this amount.

6. Power Supply Rejection Ratio (PSRR):

   • The device has a PSRR of 70dB at 1kHz, providing good noise suppression and stability in varying input conditions.

7. Regulation:

   • The load regulation is 0.2% from 1mA to 300mA, and the line regulation is 0.1% over the input voltage range, ensuring stable output under different load and input conditions.

8. Thermal Considerations:

   • Ensure adequate heat dissipation if operating near the maximum current limits. Use a heatsink if necessary.

9. Capacitor Selection:

   • For optimal performance, use capacitors with low ESR. A typical configuration might include a 1μF ceramic capacitor on the input and output pins.

10. Layout Recommendations:

    • Keep the input and output capacitors close to the IC to minimize noise and improve transient response.

(For reference only)