The L7805CV is a three-terminal fixed positive voltage regulator, part of the widely used 78xx series . It provides a stable +5V output, making it an essential component for powering microcontrollers, sensors, and various 5V logic circuits from an unregulated DC source .
| Parameter | Value |
|---|---|
| -- | -- |
| Output Voltage | 5V (Fixed) |
| Output Current | Up to 1.5A (with adequate heatsink) |
| Input Voltage (Operating) | 7V to 35V |
| Dropout Voltage | ~2V |
| Package | TO220 (Throughhole) |
| Protection | Thermal Overload, Short Circuit, Safe Area |
When viewing the L7805CV from the front (with the metal tab facing away) and pins pointing downward:
| Pin | Name | Description |
|---|---|---|
| -- | -- | -- |
| 1 | Input (IN) | Unregulated DC input (7V to 35V) |
| 2 | Ground (GND) | Common ground connection |
| 3 | Output (OUT) | Regulated +5V output |
+Fixed 5V Output - Ideal for logic circuits, Arduino, and 5V microcontrollers .
+High Output Current - Can deliver up to 1.5A with proper heat dissipation .
+Internal Protection Thermal shutdown and shortcircuit protection prevent damage .
+TO220 ThroughHole Package - Easy to mount on breadboards and PCBs, and can be attached to a heatsink .
√ Available in the popular TO-220 package.
√ Over 1A output current capability with proper thermal management.
√ Includes both thermal and short-circuit protection.
No or incorrect output voltage:
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