Details

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BUY UM9007AF https://www.utsource.net/itm/p/6941795.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating condition	2.7	-	5.5	V
Output Current	IOUT	Continuous	-	100	300	mA
Quiescent Current	IQ	VDD = 5V	-	10	20	μA
Shutdown Current	ISD	VSD < 0.4V	-	0.1	1	μA
Dropout Voltage	VD	IOUT = 300mA	-	1.2	1.8	V
Load Regulation		IOUT: 0 to 300mA	-	0.2	0.5	%
Line Regulation		VDD: 2.7 to 5.5V	-	0.1	0.3	%
Ripple Rejection		1kHz	-	60	70	dB

Instructions for UM9007AF

1. Power Supply Connection: Ensure the supply voltage (VDD) is within the specified range of 2.7V to 5.5V.
2. Output Configuration: The device can provide a continuous output current up to 300mA. Ensure the load does not exceed this limit to avoid overheating or damage.
3. Quiescent and Shutdown States: In normal operation, the quiescent current should be around 10-20μA. When the shutdown pin voltage (VSD) is below 0.4V, the device enters a low-power state with a shutdown current of approximately 0.1-1μA.
4. Dropout Voltage Consideration: To maintain regulation, ensure that the input voltage exceeds the output voltage by at least the dropout voltage, which ranges from 1.2V to 1.8V under maximum load conditions.
5. Regulation Parameters: Monitor load and line regulation to ensure stable output voltage. Load regulation should be within 0.2% to 0.5%, and line regulation within 0.1% to 0.3%.
6. Ripple Rejection: For applications sensitive to noise, note the ripple rejection capability of 60dB to 70dB at 1kHz, which helps in filtering out noise from the power supply.

(For reference only)