Details

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BUY TPS7B4253QDDARQ1 https://www.utsource.net/itm/p/8400374.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VI	2.7	-	5.5	V
Output Voltage	VO	-	3.3	-	V	Fixed
Dropout Voltage	VDROPOUT	-	190	-	mV	IOUT = 500mA, VIN = 3.45V
Quiescent Current	IQ	-	68	-	μA	VIN = 3.3V, IOUT = 0mA
Load Regulation		-	0.1	-	%	IOUT = 0mA to 500mA
Line Regulation		-	0.05	-	%/V	VIN = 2.7V to 5.5V
PSRR at 1kHz		-	70	-	dB
Transient Response		-	-	-		See Figures in Datasheet
Operating Junction Temp	Tj	-40	-	125	°C

Instructions for Use:

1. Input Voltage (VI): Ensure the input voltage is within the range of 2.7V to 5.5V.
2. Output Voltage (VO): The device provides a fixed output voltage of 3.3V. No external components are required for setting this voltage.
3. Dropout Voltage (VDROPOUT): For optimal performance, ensure that the difference between input and output voltage is greater than the dropout voltage, especially under high load conditions.
4. Quiescent Current (IQ): Keep in mind the quiescent current when considering battery life or power efficiency in low-power applications.
5. Load Regulation: The load regulation is minimal, indicating stable output voltage over a wide range of load currents.
6. Line Regulation: The line regulation ensures minimal changes in output voltage due to variations in input voltage.
7. Power Supply Rejection Ratio (PSRR): This parameter indicates the ability of the regulator to reject noise from the input supply, particularly useful in RF or sensitive analog circuits.
8. Transient Response: Refer to the transient response figures provided in the datasheet to understand how the device handles sudden changes in load.
9. Operating Temperature (Tj): Make sure the operating junction temperature does not exceed 125°C to prevent damage or malfunction.

For detailed specifications and application circuits, refer to the full datasheet available from the manufacturer's website.

(For reference only)