Details

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BUY MIC4451BN https://www.utsource.net/itm/p/12604745.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	2.7	-	5.5	V
Quiescent Current	IQ	VDD = 5V, TA = 25掳C	-	10	-	渭A
Output Voltage Drop	VD	IOUT = 500mA	-	300	-	mV
Maximum Output Current	IOUT	VDD = 5V	-	600	-	mA
Thermal Shutdown	TSD	-	-	160	-	掳C
Dropout Voltage	VDO	IOUT = 500mA	-	300	-	mV

Instructions for MIC4451BN:

1. Supply Voltage:

   • Ensure the supply voltage is within the range of 2.7V to 5.5V to avoid damage or improper operation.

2. Quiescent Current:

   • The quiescent current at a typical condition (VDD = 5V, ambient temperature = 25掳C) is approximately 10渭A. Design your circuit considering this minimal power consumption.

3. Output Voltage Drop:

   • When delivering a maximum load current of 500mA, expect a typical voltage drop of around 300mV across the device.

4. Maximum Output Current:

   • The device can support up to 600mA output current at a supply voltage of 5V. Ensure that the load does not exceed this limit to prevent overheating or damage.

5. Thermal Shutdown:

   • The device includes thermal protection and will shut down if the junction temperature exceeds approximately 160掳C. Ensure adequate heat dissipation in high-power applications.

6. Dropout Voltage:

   • At an output current of 500mA, the dropout voltage is typically around 300mV. This parameter is crucial for low-voltage applications where minimizing the difference between input and output voltages is important.

Always refer to the specific application notes and data sheet provided by the manufacturer for detailed guidelines and additional specifications.

(For reference only)