Details

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BUY MC33290DR2 https://www.utsource.net/itm/p/4667598.html
SERIAL LINK INTERFACE

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	4.5	-	40	V
Output Voltage	VOUT	-	5.0	-	V	Fixed
Output Current	IOUT	-	1.5	3.0	A
Quiescent Current	IQ	-	5	10	mA
Dropout Voltage	VDROP	-	0.7	1.2	V
Thermal Shutdown Temperature	TSD	-	160	-	°C
Operating Junction Temperature	TJ	-40	-	150	°C
Storage Temperature	TSTG	-65	-	150	°C

Instructions for Use:

1. Power Supply:

   • Ensure the input voltage (V_IN) is within the range of 4.5V to 40V.
   • The output voltage (V_OUT) is fixed at 5.0V.

2. Output Current:

   • The device can provide up to 3.0A of output current, with a typical value of 1.5A.

3. Quiescent Current:

   • The quiescent current (I_Q) is typically 5mA and can go up to 10mA.

4. Dropout Voltage:

   • The dropout voltage (V_DROP) is typically 0.7V and can be as high as 1.2V.

5. Thermal Management:

   • The thermal shutdown temperature (T_SD) is set at 160°C to protect the device from overheating.
   • Ensure the operating junction temperature (T_J) stays between -40°C and 150°C.

6. Storage Conditions:

   • Store the device in an environment where the temperature ranges from -65°C to 150°C.

7. Capacitors:

   • Use appropriate input and output capacitors to stabilize the power supply and reduce noise. Typical values are 10μF for input and 10μF for output.

8. PCB Layout:

   • Place the device close to the load to minimize trace resistance and inductance.
   • Use wide traces for power and ground connections to handle the current efficiently.

9. Mounting:

   • Ensure proper mounting to a heatsink if the device will operate near its maximum current or in high ambient temperatures.

10. Protection:

    • The device includes internal overcurrent and thermal protection. However, external fuses or current-limiting resistors may be necessary for additional safety in some applications.

(For reference only)