Details

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BUY MIC5504-3.3YM5 https://www.utsource.net/itm/p/12606987.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Output Voltage	Vout	No Load	-	3.3	-	V
Line Regulation		2.25V ≤ Vin ≤ 6V	-	0.01%	-	%
Load Regulation		Iout = 0 to 150mA	-	0.1%	-	%
Dropout Voltage	Vdo	Iout = 150mA	-	0.2	0.8	V
Quiescent Current	IQ	Iout = 150mA	-	1	2	mA
Shutdown Current	ISD	VIN = 5V, SHDN = GND	-	0.1	0.5	μA
Operating Temperature	Toper		-40	-	125	°C
Storage Temperature	Tstg		-65	-	150	°C

Instructions for Use:

1. Power Supply Input (VIN):

   • Ensure the input voltage is within the specified range of 2.25V to 6V.
   • Use appropriate decoupling capacitors (e.g., 1μF ceramic) close to the VIN pin to stabilize the input voltage.

2. Output Capacitor:

   • Place a 1μF ceramic capacitor between the VOUT and GND pins to ensure stability and filter out any noise.

3. Shutdown Pin (SHDN):

   • To enable the regulator, connect the SHDN pin to VIN or leave it floating.
   • To disable the regulator, connect the SHDN pin to GND. The quiescent current will drop to the shutdown current level.

4. Thermal Considerations:

   • The device is designed to operate within the temperature range of -40°C to 125°C.
   • For high current applications, ensure adequate heat dissipation to prevent overheating.

5. PCB Layout:

   • Keep the PCB layout compact to minimize parasitic inductance and resistance.
   • Use wide traces for power and ground connections to reduce resistance and improve thermal performance.

6. Capacitor Selection:

   • Use low ESR (Equivalent Series Resistance) capacitors to ensure optimal performance.
   • Ceramic capacitors are recommended for their stability and low ESR.

7. Testing:

   • Before finalizing the design, test the circuit under various load conditions to ensure stable operation and verify that the output voltage remains within the specified tolerance.

(For reference only)