Details

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BUY APT4012BVR https://www.utsource.net/itm/p/323183.html
Power MOS V is a new generation of high voltage N-Channel enhancement mode power MOSFETs.

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating Range	2.7	-	5.5	V
Output Voltage	VOUT	No Load	-	3.3	-	V
Quiescent Current	IQ	VDD = 5V, IOUT = 0mA	-	10	-	μA
Dropout Voltage	VDROPOUT	IOUT = 100mA	-	200	-	mV
Load Regulation	ΔVOUT/ΔIOUT	IOUT: 0mA to 100mA	-	0.5	-	%
Line Regulation	ΔVOUT/ΔVIN	VIN: 2.7V to 5.5V	-	0.1	-	%
Ripple Rejection	PSRR	f = 1kHz	-	60	-	dB
Operating Junction Temperature	TJ	Storage	-40	-	85	°C

Instructions for Use:

1. Power Supply Connection: Ensure the supply voltage (VDD) is within the operating range of 2.7V to 5.5V. Connect the power supply to the VDD pin and ground to the GND pin.

2. Output Configuration: The output voltage (VOUT) is typically set to 3.3V with no load. Verify the output voltage using a multimeter before connecting any loads.

3. Quiescent Current Consideration: Be aware that the quiescent current is around 10μA at 5V supply. This is important for applications sensitive to power consumption.

4. Dropout Voltage Management: The dropout voltage is approximately 200mV at 100mA load. Ensure the input voltage is sufficiently higher than the desired output voltage by this margin.

5. Regulation Monitoring: Monitor load regulation and line regulation to ensure stability. These should be less than 0.5% and 0.1%, respectively, under typical conditions.

6. Ripple Rejection: For optimal performance in noisy environments, note the ripple rejection ratio (PSRR) is about 60dB at 1kHz.

7. Temperature Considerations: Operate the device within the junction temperature range of -40°C to 85°C to avoid thermal stress and potential damage.

8. Capacitor Selection: Choose appropriate input and output capacitors as recommended in the datasheet to stabilize the regulator and reduce noise.

9. Layout Recommendations: Follow good PCB layout practices to minimize parasitic effects and improve performance. Keep traces short and wide, especially for power and ground connections.

(For reference only)