Details

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BUY MC33179P https://www.utsource.net/itm/p/6717766.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		6		40	V
Output Voltage	VOUT	Fixed		5		V
Output Current	IOUT	Continuous		1.5		A
Quiescent Current	IQ	VIN = 40V		20		mA
Dropout Voltage	VD	IOUT = 1.5A		2.8		V
Thermal Shutdown	TSD			170		°C
Operating Junction Temp	TJ		-40		125	°C

Instructions for MC33179P

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply ensuring it is within the range of 6V to 40V.
   • Ensure proper bypassing with a capacitor (typically 0.1μF) from VIN to GND close to the device.

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 5V and does not require external resistors for setting the output voltage.

3. Load Regulation:

   • The device can provide up to 1.5A continuous current. Ensure that the load does not exceed this limit to avoid overheating or damage.

4. Thermal Considerations:

   • The device has thermal shutdown protection which activates at approximately 170°C. For reliable operation, ensure adequate heat sinking if operating near maximum current or in high ambient temperatures.

5. Capacitor Selection:

   • Use a suitable output capacitor to stabilize the output voltage. A typical value is 10μF ceramic or tantalum.

6. Mounting and Handling:

   • Follow standard precautions for handling static-sensitive devices. Ensure good thermal contact with the mounting surface to dissipate heat effectively.

7. Storage and Operation Temperature:

   • Store the device in a dry environment and operate within the specified temperature range (-40°C to 125°C).

8. Dropout Voltage Awareness:

   • Be aware of the dropout voltage (VD) of 2.8V at full load. Ensure the input voltage remains sufficiently higher than the output voltage plus the dropout voltage to maintain regulation.

(For reference only)