Details

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BUY MC7805C.. https://www.utsource.net/itm/p/12609324.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VI	Continuous operation	7.0	-	35.0	V
Output Voltage	VO		4.8	5.0	5.2	V
Output Current	IO	Continuous operation	0	1.0	1.5	A
Line Regulation		1A load, 7V to 25V	-	0.01	-	%
Load Regulation		1.5A load, 5V output	-	0.1	-	%
Dropout Voltage	VD	1.5A load	2.0	-	-	V
Thermal Shutdown			-	175	-	掳C
Short-Circuit Protection			-	Yes	-
Operating Temperature	Toper		-40	-	125	掳C
Storage Temperature	Tstg		-65	-	150	掳C

Instructions for Using the MC7805C

1. Input Voltage:

   • The input voltage must be at least 2V higher than the output voltage (5V) to ensure proper regulation.
   • Do not exceed 35V to avoid damaging the regulator.

2. Output Voltage:

   • The MC7805C provides a stable 5V output under various load conditions.

3. Output Current:

   • The maximum continuous output current is 1.5A, but it is typically rated for 1A to ensure reliable operation.
   • Ensure adequate heat sinking if operating near the maximum current to prevent overheating.

4. Line Regulation:

   • The output voltage remains stable even when the input voltage varies from 7V to 25V.

5. Load Regulation:

   • The output voltage remains stable even when the load current changes from 0 to 1.5A.

6. Dropout Voltage:

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation. It is 2V at full load.

7. Thermal Shutdown:

   • The regulator will automatically shut down if the temperature exceeds 175掳C to prevent damage.

8. Short-Circuit Protection:

   • The MC7805C includes internal short-circuit protection to safeguard against output short circuits.

9. Operating Temperature:

   • The device can operate in temperatures ranging from -40掳C to 125掳C.

10. Storage Temperature:

    • The device can be stored in temperatures ranging from -65掳C to 150掳C.

11. Heat Sinking:

    • For high current applications, use a heat sink to dissipate excess heat and maintain the operating temperature within safe limits.

12. Capacitors:

    • It is recommended to place a 0.33渭F capacitor close to the input pin and a 0.1渭F capacitor close to the output pin to improve stability and transient response.

13. Layout Considerations:

    • Keep the leads as short as possible to minimize parasitic inductance and capacitance, which can affect performance.

14. Mounting:

    • Ensure that the device is securely mounted to a heat sink or a metal chassis to enhance thermal dissipation.

By following these guidelines, you can ensure reliable and efficient operation of the MC7805C voltage regulator.

(For reference only)