Details

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BUY YG811S04 https://www.utsource.net/itm/p/12610444.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	Vin	2.7	-	5.5	V	Operating input voltage range
Output Voltage	Vout	-	3.3	-	V	Fixed output voltage
Output Current	Iout	-	-	1	A	Maximum continuous output current
Quiescent Current	Iq	-	20	-	μA	Quiescent current at no load
Dropout Voltage	Vdo	-	100	-	mV	Typical dropout voltage at 1A
Efficiency	η	-	90	-	%	Typical efficiency at 1A
Load Regulation	ΔVout	-	1	-	%	Load regulation from 0 to 1A
Line Regulation	ΔVout	-	0.1	-	%/V	Line regulation over input range
PSRR	-	-	60	-	dB	Power supply rejection ratio at 1kHz
Operating Temp	Toper	-40	-	85	°C	Operating temperature range
Storage Temp	Tstg	-40	-	125	°C	Storage temperature range

Instructions for Use:

1. Input Connection:

   • Connect the positive terminal of the power source to the Vin pin.
   • Connect the negative terminal of the power source to the GND pin.

2. Output Connection:

   • Connect the load to the Vout pin.
   • Ensure the load does not exceed the maximum output current of 1A.

3. Capacitors:

   • Place a 1μF ceramic capacitor between Vin and GND as close to the regulator as possible to stabilize the input.
   • Place a 1μF ceramic capacitor between Vout and GND to stabilize the output.

4. Thermal Considerations:

   • Ensure adequate heat dissipation if operating near the maximum output current, especially at higher ambient temperatures.

5. Efficiency:

   • The efficiency is typically around 90% at 1A output current. Higher input voltages will reduce efficiency due to increased power loss.

6. Protection:

   • The device includes thermal shutdown and short-circuit protection to prevent damage under abnormal conditions.

7. Storage and Handling:

   • Store the device in a dry environment within the specified storage temperature range.
   • Handle with care to avoid static discharge which can damage the component.

8. Mounting:

   • Solder the device onto the PCB using standard surface mount technology (SMT) procedures.
   • Ensure all solder joints are clean and free of flux residues.

9. Testing:

   • After assembly, test the output voltage under various load conditions to ensure it meets the specifications.
   • Verify that the quiescent current and dropout voltage are within the expected ranges.

(For reference only)