Details

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BUY MIC4426YM https://www.utsource.net/itm/p/11546662.html
IC DRIVER MOSFET DUAL 1.5A 8SOIC

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	2.5	-	5.5	V
Output Voltage	VOUT	-	1.2	-	5.0	V
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V, IOUT = 0mA	-	1.5	2.5	mA
Dropout Voltage	VDROPOUT	IOUT = 500mA, VIN = 5V, VOUT = 3.3V	-	0.3	0.5	V
Load Regulation	ΔVOUT/ΔIOUT	IOUT = 0mA to 500mA, VIN = 5V	-	0.5	1.0	%
Line Regulation	ΔVOUT/ΔVIN	VIN = 2.5V to 5.5V, IOUT = 500mA	-	0.1	0.2	%
Output Current	IOUT	Continuous	-	500	-	mA
Thermal Shutdown Temperature	TSD	-	150	-	°C
Operating Junction Temperature	TJ	-	-40	125	°C
Storage Temperature	TSTG	-	-65	150	°C

Instructions for Using MIC4426YM:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.5V to 5.5V.
   • Use appropriate decoupling capacitors (typically 1μF ceramic) close to the input pin to reduce noise and improve stability.

2. Output Voltage (VOUT):

   • The output voltage can be set using external resistors. The formula for calculating the output voltage is: [ V_ = V_ left(1 + fracright) ] where ( V_ ) is typically 1.2V.
   • Use a 1μF ceramic capacitor on the output to filter out high-frequency noise and stabilize the output.

3. Quiescent Current (IQ):

   • The quiescent current is the current consumed by the regulator when no load is present. It is typically around 1.5mA at 5V input and 3.3V output.

4. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation. It is typically 0.3V at 500mA output current.

5. Load Regulation:

   • The load regulation is the change in output voltage due to changes in load current. It should be kept below 1% for optimal performance.

6. Line Regulation:

   • The line regulation is the change in output voltage due to changes in input voltage. It should be kept below 0.2% for optimal performance.

7. Output Current (IOUT):

   • The maximum continuous output current is 500mA. Ensure that the load does not exceed this limit to avoid overheating or damage to the device.

8. Thermal Shutdown (TSD):

   • The device will shut down if the junction temperature exceeds 150°C to prevent damage. Ensure proper heat dissipation and thermal management.

9. Operating Junction Temperature (TJ):

   • The operating junction temperature range is from -40°C to 125°C. Ensure the device operates within this range to maintain reliability.

10. Storage Temperature (TSTG):

    • The storage temperature range is from -65°C to 150°C. Store the device in a dry and temperature-controlled environment.

Additional Notes:

• Always refer to the datasheet for the most accurate and detailed information.
• Proper PCB layout and component selection are crucial for optimal performance and reliability.

(For reference only)