Details

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BUY PS81B94-A https://www.utsource.net/itm/p/1558108.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	2.7		5.5	V
Output Voltage	VOUT			3.3		V
Quiescent Current	IQ	VDD = 5V, IOUT = 0mA		10		μA
Dropout Voltage	VDROPOUT	IOUT = 300mA		300		mV
Load Regulation		IOUT: 0mA to 300mA		1		%
Line Regulation		VDD: 2.7V to 5.5V		0.2		%
PSRR at 1kHz				60		dB
Operating Junction Temperature	TJ		-40		85	°C

Instructions for Use:

1. Supply Voltage (VDD): Ensure the input supply voltage is within the specified range of 2.7V to 5.5V.
2. Output Voltage (VOUT): The device provides a fixed output voltage of 3.3V.
3. Quiescent Current (IQ): Operates with a quiescent current of typically 10μA when no load is applied and VDD is 5V.
4. Dropout Voltage: The dropout voltage is typically 300mV at an output current of 300mA.
5. Load Regulation: Maintains output voltage within 1% as the load current changes from 0mA to 300mA.
6. Line Regulation: Keeps the output voltage stable within 0.2% as the input voltage varies from 2.7V to 5.5V.
7. Power Supply Rejection Ratio (PSRR): Provides 60dB rejection at 1kHz.
8. Operating Temperature: The device operates effectively within a junction temperature range of -40°C to 85°C.

For optimal performance, ensure that the operating conditions do not exceed these parameters. Proper heat sinking may be required for applications approaching maximum power dissipation.

(For reference only)