Details

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BUY MIC5841YN https://www.utsource.net/itm/p/12605891.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Input Voltage	VIN	Continuous	2.7	-	5.5	V
Output Voltage	VOUT	-	-	3.3	-	V
Output Current	IOUT	Continuous	-	150	-	mA
Shutdown Current	ISD	VOUT = 0V, VIN = 5V	-	0.1	-	μA
Quiescent Current	IQ	-	-	2.5	-	μA
Dropout Voltage	VDROPOUT	IOUT = 150mA, VIN = 3.3V	-	0.3	-	V
Load Regulation	-	0mA to 150mA	-	0.5	-	%
Line Regulation	-	2.7V to 5.5V	-	0.1	-	%
Operating Temperature Range	TOPR	-	-40	-	85	°C
Storage Temperature Range	TSTG	-	-65	-	150	°C

Instructions for Using the MIC5841YN

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • The input voltage should be stable and free from excessive ripple or noise.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 3.3V. No external components are required to set this voltage.

3. Output Current (IOUT):

   • The device can provide up to 150mA of continuous output current.
   • Ensure that the load does not exceed this limit to avoid overheating or damage.

4. Shutdown Function:

   • The shutdown pin (SD) can be used to turn off the regulator.
   • Apply a low signal (0V) to the SD pin to shut down the device.
   • In shutdown mode, the quiescent current drops to approximately 0.1μA.

5. Quiescent Current (IQ):

   • The quiescent current is very low, typically 2.5μA, which makes the device suitable for battery-powered applications.

6. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the difference between the input and output voltages when the regulator is operating near its minimum input voltage.
   • At full load (150mA), the dropout voltage is typically 0.3V.

7. Load Regulation:

   • The load regulation is the change in output voltage with respect to changes in load current.
   • The typical load regulation is 0.5%.

8. Line Regulation:

   • The line regulation is the change in output voltage with respect to changes in input voltage.
   • The typical line regulation is 0.1%.

9. Operating Temperature:

   • The device is designed to operate within a temperature range of -40°C to 85°C.
   • Ensure that the ambient temperature does not exceed these limits to maintain reliable operation.

10. Storage Temperature:

    • The device can be stored in temperatures ranging from -65°C to 150°C.
    • However, ensure that the device is brought back to operating temperature before use.

11. Capacitors:

    • Use a 1μF ceramic capacitor on the input side and a 1μF ceramic capacitor on the output side for stability.
    • Place these capacitors as close as possible to the respective pins to minimize parasitic inductance.

12. PCB Layout:

    • Ensure proper PCB layout to minimize noise and improve thermal performance.
    • Use wide traces for power lines and ground connections to reduce resistance and inductance.

13. Thermal Considerations:

    • The device has a thermal shutdown feature to protect against overheating.
    • Ensure adequate heat dissipation by using a heatsink if necessary, especially under high load conditions.

(For reference only)