Details

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BUY MC33888FB https://www.utsource.net/itm/p/6524965.html
N/A

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		3.6		42	V
Output Voltage	VOUT		5		40	V
Quiescent Current	IQ	VIN = 12V, IOUT = 0mA		70		μA
Load Current	IOUT	Continuous			1.5	A
Peak Current Limit	ILIM	VIN = 12V	2.2		3.2	A
Thermal Shutdown	TSD			160		°C
Operating Temperature	TOPR	Storage	-40		125	°C
Efficiency	η	VIN = 12V, VOUT = 5V, IOUT		88		%

Instructions for MC33888FB:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply ensuring it is within the specified range of 3.6V to 42V.
   • Ensure a proper ground connection.

2. Output Configuration:

   • Set the output voltage (VOUT) as required, typically between 5V and 40V. Use external resistors if necessary to adjust the output voltage.

3. Thermal Considerations:

   • The device will enter thermal shutdown at approximately 160°C. Ensure adequate heat sinking or cooling if operating near maximum load conditions.

4. Load Handling:

   • The device can handle up to 1.5A continuously. For higher currents, ensure the peak current limit is not exceeded to avoid damage.

5. Efficiency Optimization:

   • For optimal efficiency (up to 88%), operate within recommended voltage and current parameters.

6. Temperature Range:

   • The device operates reliably from -40°C to 125°C. Check environmental conditions to ensure they are within this range.

7. Quiescent Current:

   • Be aware that the quiescent current is around 70μA at 12V input with no load, which can impact overall system efficiency in low-power applications.

8. Protection Features:

   • The device includes protection features like overcurrent and thermal shutdown to safeguard against fault conditions.

(For reference only)