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LM7915CT LM7915C LM7915 TO-220

Specifications

SKU: 12612499

BUY LM7915CT LM7915C LM7915 TO-220 https://www.utsource.net/itm/p/12612499.html

Parameter Symbol Conditions Min Typ Max Unit
Output Voltage VOUT No Load - -15.0 - V
Line Regulation ΔVOUT/ΔVIN 18V to 30V - 4 - mV
Load Regulation ΔVOUT/ΔIL 0mA to 100mA - 10 - mV
Dropout Voltage VDROP IL = 100mA - 2.0 - V
Quiescent Current IQ IL = 0mA - 8 - mA
Short-Circuit Current ISC VIN = 30V - 1.5 - A
Operating Temperature TA - -40 - 125 °C
Storage Temperature TSTG - -65 - 150 °C

Instructions for Use:

  1. Circuit Configuration:

    • Connect the input voltage (VIN) to the input pin.
    • Connect the output pin to the load.
    • Ground the common terminal.
  2. Capacitors:

    • Place a 0.33 μF capacitor between the input and ground to ensure stability.
    • Optionally, place a 1.0 μF capacitor between the output and ground to improve transient response and stability.
  3. Heat Dissipation:

    • Ensure adequate heat dissipation if the device is operating at high power levels. Consider using a heatsink if necessary.
  4. Input Voltage Range:

    • The input voltage should be at least 2.0V higher than the output voltage to ensure proper operation.
  5. Output Current:

    • The maximum continuous output current is 1.5A. Ensure that the load does not exceed this limit to avoid damage to the regulator.
  6. Short-Circuit Protection:

    • The device has internal short-circuit protection, but it is still important to design the circuit to prevent prolonged short circuits.
  7. Thermal Considerations:

    • Monitor the temperature of the device during operation. If the temperature exceeds 125°C, reduce the load or improve cooling.
  8. Package Information:

    • The LM7915 is available in a TO-220 package, which is suitable for through-hole mounting on a PCB.

By following these guidelines, you can ensure reliable operation of the LM7915 negative voltage regulator.

(For reference only)

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