Details

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BUY MIC38HC45BM https://www.utsource.net/itm/p/12608752.html

Parameter	Symbol	Min	Typ	Max	Unit
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage	VOUT	-	1.8, 2.5, 3.0, 3.3	-	V
Output Current	IOUT	-	450	-	mA
Quiescent Current	IQ	-	60	-	渭A
Dropout Voltage	VDROP	-	200	-	mV
Shutdown Current	ISD	-	1	-	渭A
Operating Temperature	TOP	-40	-	85	掳C
Storage Temperature	TSTG	-65	-	150	掳C
Thermal Resistance (胃JA)	-	-	65	-	掳C/W

Instructions for Using MIC38HC45BM

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (typically 10渭F and 0.1渭F) close to the input pin to filter out noise and stabilize the input voltage.

2. Output Voltage (V_OUT):

   • The output voltage is fixed at 1.8V, 2.5V, 3.0V, or 3.3V depending on the specific variant of the MIC38HC45BM.
   • Verify the output voltage using a multimeter to ensure it meets the required specifications.

3. Output Current (I_OUT):

   • The device can provide up to 450mA of continuous output current.
   • Ensure the load does not exceed this limit to avoid overheating and potential damage.

4. Quiescent Current (I_Q):

   • The quiescent current is typically 60渭A, which is the current consumed by the regulator when there is no load.

5. Dropout Voltage (V_DROP):

   • The dropout voltage is typically 200mV, meaning the input voltage must be at least 200mV higher than the output voltage for the regulator to function correctly.

6. Shutdown Current (I_SD):

   • When the shutdown pin is pulled low, the regulator enters a low-power mode with a shutdown current of approximately 1渭A.

7. Operating Temperature (T_OP):

   • The operating temperature range is from -40掳C to 85掳C.
   • Ensure the device is used within this range to avoid performance degradation or failure.

8. Storage Temperature (T_STG):

   • The storage temperature range is from -65掳C to 150掳C.
   • Store the device in a dry, cool place to prevent damage.

9. Thermal Management:

   • The thermal resistance (胃_JA) is 65掳C/W.
   • Ensure adequate heat dissipation if the device will be operating near its maximum power dissipation.

10. Layout Considerations:

    • Place the input and output capacitors as close as possible to the respective pins to minimize parasitic inductance.
    • Use wide traces for power and ground connections to reduce resistance and improve heat dissipation.

11. Handling Precautions:

    • Handle the device with care to avoid static discharge, which can damage the internal components.
    • Follow proper ESD (Electrostatic Discharge) handling procedures during assembly and testing.

(For reference only)