Details

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BUY STK4050V https://www.utsource.net/itm/p/12535434.html

Parameter	Symbol	Min	Typ	Max	Unit	Condition
Input Voltage	VIN	2.7	-	5.5	V	-
Output Voltage	VOUT	-	3.3	-	V	Fixed output
Output Current	IOUT	-	500	-	mA	Continuous
Quiescent Current	IQ	-	1.6	-	μA	VIN = 5V, VOUT = 3.3V, IOUT = 0mA
Dropout Voltage	VDROPOUT	-	0.2	-	V	IOUT = 500mA
Load Regulation	-	-	0.5	-	%	IOUT: 0 to 500mA
Line Regulation	-	-	0.1	-	%	VIN: 2.7 to 5.5V, IOUT = 500mA
Ripple Rejection	-	-	60	-	dB	f = 1kHz
Operating Temperature	TOPR	-40	-	85	°C	-
Storage Temperature	TSTG	-40	-	125	°C	-

Instructions for Use:

1. Input Connection: Connect the input voltage (VIN) between 2.7V and 5.5V to the input pin. Ensure the input voltage is stable and within the specified range.
2. Output Connection: The output voltage (VOUT) is fixed at 3.3V. Connect the load to the output pin, ensuring the current does not exceed 500mA continuously.
3. Ground Connection: Connect the ground (GND) pin to the common ground of the system.
4. Capacitors:
   • Input Capacitor: Place a 1μF ceramic capacitor close to the input pin to filter out noise and stabilize the input voltage.
   • Output Capacitor: Place a 1μF ceramic capacitor close to the output pin to stabilize the output voltage and reduce ripple.
5. Thermal Management: The device has a thermal shutdown feature to protect against overheating. However, ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
6. Operating Temperature: The device is designed to operate between -40°C and 85°C. Avoid exposing the device to temperatures outside this range.
7. Storage Temperature: Store the device between -40°C and 125°C to prevent damage.
8. Load Regulation: The output voltage will vary by less than 0.5% over the load range from 0 to 500mA.
9. Line Regulation: The output voltage will vary by less than 0.1% over the input voltage range from 2.7V to 5.5V.
10. Ripple Rejection: The device provides 60dB of ripple rejection at 1kHz, effectively filtering out input voltage fluctuations.

For detailed application circuits and further information, refer to the datasheet provided by the manufacturer.

(For reference only)