Details

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BUY LM7915CT LM7915 TO-220 https://www.utsource.net/itm/p/11590468.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Output Voltage	VOUT	No Load	-	15	-	V
Line Regulation	ΔVOUT/ΔVIN	18V ≤ VIN ≤ 30V, IOUT = 1mA to 1.5A	-	0.004	-	%/V
Load Regulation	ΔVOUT/ΔIOUT	VIN = 20V, 1mA ≤ IOUT ≤ 1.5A	-	0.01	-	%/A
Dropout Voltage	VDROP	IOUT = 1.5A	-	2.5	-	V
Quiescent Current	IQ	VIN = 20V, IOUT = 1.5A	-	10	-	mA
Short-Circuit Current	ISC	VIN = 20V, Output shorted to ground	-	2.2	-	A
Thermal Shutdown Temperature	TSHUTDOWN	-	160	-	°C
Storage Temperature Range	TSTORAGE	-	-65	150	°C
Operating Junction Temperature	TJ	-	-40	125	°C

Instructions for Using LM7915CT (TO-220 Package)

1. Circuit Configuration:

   • Connect the input voltage (V_IN) to the middle pin (Pin 2).
   • Connect the output voltage (V_OUT) to the right pin (Pin 3).
   • Ground the left pin (Pin 1).

2. Capacitors:

   • Place a 0.33 μF capacitor between the input and ground to stabilize the input voltage.
   • Place a 0.1 μF capacitor between the output and ground to stabilize the output voltage.

3. Heat Dissipation:

   • Ensure proper heat sinking if the regulator is expected to dissipate significant power. The maximum power dissipation can be calculated using the formula: [ P_ = (V_ - V_) times I_ ]
   • Use a heatsink with sufficient thermal resistance to keep the junction temperature within the operating range.

4. Short-Circuit Protection:

   • The LM7915 has internal short-circuit protection, but it is recommended to use external fuses or current-limiting resistors for additional safety.

5. Thermal Shutdown:

   • The device will automatically shut down if the junction temperature exceeds 160°C to prevent damage. It will resume operation once the temperature returns to a safe level.

6. Storage and Handling:

   • Store the device in a dry, cool environment within the specified storage temperature range.
   • Handle with care to avoid mechanical stress on the pins and package.

7. Testing:

   • Before final assembly, test the regulator with a known load to ensure it meets the required specifications.

By following these instructions, you can ensure reliable operation of the LM7915CT in your application.

(For reference only)