Details

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BUY LM307N https://www.utsource.net/itm/p/12606409.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VI	-	1.2	-	40	V
Output Voltage	VO	-	0.4	-	35	V
Quiescent Current	IQ	VI = 5V	-	50	80	渭A
Output Current	IO	-	10	-	100	mA
Dropout Voltage	VDROP	IO = 100mA	-	1.2	1.7	V
Thermal Shutdown	TSHUTDOWN	-	-	160	-	掳C
Storage Temperature	TSTORAGE	-	-40	-	125	掳C
Operating Temperature	TOP	-	-40	-	125	掳C

Instructions for Using LM307N

1. Input Voltage (V_I):

   • Ensure the input voltage is within the range of 1.2V to 40V.
   • The input voltage must be at least 1.2V higher than the desired output voltage to maintain regulation.

2. Output Voltage (V_O):

   • The output voltage can range from 0.4V to 35V.
   • Use external resistors to set the output voltage if needed.

3. Quiescent Current (I_Q):

   • The quiescent current is typically 50渭A and can go up to 80渭A at 5V input.
   • This current is the power consumed by the regulator when it is not supplying any load.

4. Output Current (I_O):

   • The maximum output current is 100mA.
   • Ensure the load does not exceed this limit to avoid damage.

5. Dropout Voltage (V_DROP):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation.
   • At 100mA output current, the dropout voltage is typically 1.2V to 1.7V.

6. Thermal Shutdown:

   • The device will shut down if the temperature exceeds 160掳C to prevent damage.
   • Ensure proper heat dissipation to avoid thermal shutdown.

7. Storage and Operating Temperature:

   • The device can be stored and operated within the temperature range of -40掳C to 125掳C.

8. Capacitors:

   • Use appropriate input and output capacitors to stabilize the regulator.
   • Typical values are 10渭F for input and 10渭F for output.

9. Layout Considerations:

   • Keep the input and output capacitors close to the regulator to minimize noise and improve stability.
   • Use wide traces for power connections to reduce resistance and voltage drop.

10. Polarity:

    • Ensure correct polarity when connecting the input and output to avoid damage to the regulator.

By following these guidelines, you can ensure reliable operation of the LM307N linear regulator.

(For reference only)