Details

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BUY RT8288AZSP https://www.utsource.net/itm/p/8394453.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous Operation	2.7	-	5.5	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous Operation	-	1.5	3.0	A
Quiescent Current	IQ	VIN = 5V, No Load	-	2.0	-	μA
Shutdown Current	ISD	VIN = 5V, SHDN = 0V	-	0.1	-	μA
Dropout Voltage	VDROPOUT	IOUT = 300mA	-	250	-	mV
Operating Junction Temperature	TJ	Continuous Operation	-40	-	125	°C

Instructions for RT8288AZSP:

1. Power Supply Connection:

   • Connect the input voltage (VIN) between 2.7V and 5.5V to the IN pin.
   • Ensure a stable power supply to prevent damage or malfunction.

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 3.3V. No external resistors are required for setting the output voltage.

3. Current Handling:

   • The device can provide up to 3.0A of continuous output current with typical performance at 1.5A.

4. Quiescent and Shutdown Current:

   • In normal operation, the quiescent current is typically 2.0μA.
   • To minimize power consumption, use the shutdown feature by pulling the SHDN pin low, which reduces the current to approximately 0.1μA.

5. Thermal Considerations:

   • Operate within the junction temperature range of -40°C to 125°C.
   • Ensure adequate heat dissipation if operating near maximum current and temperature limits.

6. Dropout Voltage:

   • At an output current of 300mA, the dropout voltage is typically 250mV. Ensure the input voltage is sufficiently higher than the output voltage to maintain regulation.

7. Capacitor Selection:

   • Use appropriate input and output capacitors as specified in the datasheet to ensure stability and proper operation.

(For reference only)