Details

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BUY RT8497AGS https://www.utsource.net/itm/p/12356686.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous operating range	2.7	-	5.5	V
Output Voltage	VOUT	Adjustable	-	-	-	V
Quiescent Current	IQ	VIN = 3.6V, no load	-	20	-	μA
Shutdown Current	ISD	VIN = 3.6V, SHDN = 0V	-	0.1	-	μA
Load Regulation	ΔVOUT	IOUT = 0mA to 300mA	-	1	-	mV
Line Regulation	ΔVOUT	VIN = 2.7V to 5.5V	-	1	-	mV
Dropout Voltage	VDROPOUT	IOUT = 300mA	-	280	-	mV
Operating Temperature	TOPR	Storage	-40	-	85	°C

Instructions for RT8497AGS:

1. Power Supply Connection:

   • Connect the input voltage (VIN) within the specified range of 2.7V to 5.5V.
   • Ensure proper bypass capacitors are placed close to the input and output pins to stabilize the regulator.

2. Output Voltage Setting:

   • The output voltage can be adjusted using external resistors connected to the FB pin. Refer to the datasheet for specific resistor values to achieve desired output voltages.

3. Shutdown Function:

   • To put the device into shutdown mode, apply a low signal to the SHDN pin. This reduces the supply current to approximately 0.1μA.

4. Thermal Considerations:

   • Place the device in an area with adequate airflow or use a heatsink if necessary to ensure the operating temperature does not exceed 85°C.

5. Load and Line Regulation:

   • Monitor the load and line regulation to ensure stable operation. Adjustments may be needed based on the specific application requirements.

6. Capacitor Selection:

   • Choose output capacitors that provide sufficient capacitance and ESR (Equivalent Series Resistance) to maintain stability and minimize output ripple.

7. PCB Layout:

   • Pay attention to PCB layout guidelines provided in the datasheet to optimize performance and reliability. Keep traces short and wide for power connections.

(For reference only)