Specifications
SKU: 12612499
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:
Circuit Configuration:
- Connect the input voltage (VIN) to the input pin.
- Connect the output pin to the load.
- Ground the common terminal.
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.
Heat Dissipation:
- Ensure adequate heat dissipation if the device is operating at high power levels. Consider using a heatsink if necessary.
Input Voltage Range:
- The input voltage should be at least 2.0V higher than the output voltage to ensure proper operation.
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.
Short-Circuit Protection:
- The device has internal short-circuit protection, but it is still important to design the circuit to prevent prolonged short circuits.
Thermal Considerations:
- Monitor the temperature of the device during operation. If the temperature exceeds 125°C, reduce the load or improve cooling.
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)Inquiry - LM7915CT LM7915C LM7915 TO-220