Details

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BUY MC1747CP2. https://www.utsource.net/itm/p/12609059.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous Operation	3.0	-	40	V
Output Voltage Range	VOUT	Adjustable	1.25	-	37	V
Output Current	IOUT	Continuous	-	1.5	-	A
Quiescent Current	IQ	VOUT = 5V, IOUT = 0mA	-	5	-	mA
Dropout Voltage	VDROP	IOUT = 1.5A	-	2.0	-	V
Line Regulation	ΔVOUT/ΔVIN	1.25V ≤ VOUT ≤ 37V, IOUT = 1.5A	-	0.01	-	%/V
Load Regulation	ΔVOUT/ΔIOUT	VOUT = 5V, 0mA ≤ IOUT ≤ 1.5A	-	0.01	-	%/A
Thermal Shutdown Temperature	TSD	-	-	160	-	°C
Operating Junction Temperature	TJ	-	-25	-	150	°C

Instructions for Use:

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the range of 3.0V to 40V.
   • Avoid exceeding the maximum input voltage to prevent damage to the device.

2. Output Voltage (V_OUT):

   • The output voltage can be adjusted between 1.25V and 37V.
   • Use the external resistors R1 and R2 to set the desired output voltage using the formula: V_OUT = 1.25V * (1 + R1/R2).

3. Output Current (I_OUT):

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

4. Quiescent Current (I_Q):

   • The quiescent current is typically 5mA when no load is applied.
   • This value helps in calculating the power consumption of the regulator when idle.

5. Dropout Voltage (V_DROP):

   • The dropout voltage is typically 2.0V at full load (1.5A).
   • Ensure the input voltage is at least 2.0V higher than the output voltage to maintain regulation.

6. Line Regulation:

   • The line regulation is 0.01% per volt, indicating minimal change in output voltage with changes in input voltage.

7. Load Regulation:

   • The load regulation is 0.01% per amp, indicating minimal change in output voltage with changes in load current.

8. Thermal Shutdown:

   • The device will automatically shut down if the junction temperature exceeds 160°C to prevent thermal damage.
   • Ensure proper heat dissipation, especially under high load conditions.

9. Operating Junction Temperature:

   • The operating junction temperature range is from -25°C to 150°C.
   • Ensure the device operates within this temperature range to avoid performance degradation or failure.

Additional Notes:

• Always use appropriate decoupling capacitors on both the input and output sides to ensure stable operation.
• For high current applications, consider using a heatsink to improve thermal performance.

(For reference only)