Details

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BUY RT5041AGQW https://www.utsource.net/itm/p/8978205.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating Range	2.7	-	5.5	V
Output Voltage	VOUT	Fixed Output	-	3.3	-	V
Output Current	IOUT	Continuous Operation	-	-	1	A
Quiescent Current	IQ	VIN = 5V, No Load	-	60	-	μA
Dropout Voltage	VDROPOUT	IOUT = 300mA, VIN = 3.4V	-	300	-	mV
PSRR (Power Supply Rejection Ratio)	PSRR	f = 1kHz	-	65	-	dB
Line Regulation	VR(Line)	VIN from 2.7V to 5.5V	-	0.2	-	%
Load Regulation	VR(Load)	IOUT from 0mA to 300mA	-	0.2	-	%

Instructions for RT5041AGQW

1. Input Voltage Connection:

   • Connect the input voltage between 2.7V and 5.5V to the VIN pin.

2. Output Voltage Configuration:

   • The device provides a fixed output voltage of 3.3V at the VOUT pin.

3. Output Current Limitation:

   • Ensure that the load does not exceed 1A continuously to avoid overheating or damage.

4. Quiescent Current Consideration:

   • When no load is applied and VIN is set to 5V, the quiescent current will be approximately 60μA.

5. Dropout Voltage Awareness:

   • At an output current of 300mA and an input voltage of 3.4V, the dropout voltage is typically around 300mV.

6. Power Supply Rejection Ratio:

   • For frequencies around 1kHz, the device offers a PSRR of 65dB, ensuring good noise suppression.

7. Regulation Parameters:

   • Line regulation is within 0.2% when the input voltage varies from 2.7V to 5.5V.
   • Load regulation remains within 0.2% as the output current changes from 0mA to 300mA.

8. Thermal Considerations:

   • Ensure adequate heat dissipation if operating near maximum output current to prevent thermal shutdown.

9. PCB Layout Recommendations:

   • Place the regulator close to the load to minimize trace inductance and resistance.
   • Use wide traces for power connections to reduce losses and improve efficiency.

10. Capacitor Selection:

    • Choose input and output capacitors with low ESR (Equivalent Series Resistance) to enhance stability and transient response.

(For reference only)