The L7800 series is a three-terminal positive regulator with features including 1.5A output current, multiple output voltages, thermal overload protection, and short circuit protection. It is suitable for various applications.
The L7800 series consists of three‑terminal positive voltage regulators available in a variety of TO‑220, TO‑3 and DPAK packages. They deliver up to 1.5 A output current with internal current limiting, thermal shutdown and safe‑area protection, making them suitable for local on‑card regulation in many applications.
The document includes absolute maximum ratings, thermal data, connection diagrams, order codes, application circuits and detailed electrical characteristics for each fixed‑output version such as L7805, L7806, L7808, L7812, L7815, L7818, L7820 and L7824.
| Maximum Output Current | 1.5 A |
|---|---|
| Fixed Output Voltages | 5 V, 5.2 V, 6 V, 8 V, 8.5 V, 9 V, 10 V, 12 V, 15 V, 18 V, 24 V |
| Thermal Overload Protection | Enabled |
| Short‑Circuit Protection | Enabled |
| Typical Dropout Voltage (1 A) | ≈2 V |
| Output Noise Voltage (10 Hz‑100 kHz) | 40 µV |
The L7800 series can deliver up to 1.5 A of output current.
They provide thermal overload protection and short‑circuit protection.
Fixed output options include 5 V, 5.2 V, 6 V, 8 V, 8.5 V, 9 V, 10 V, 12 V, 15 V, 18 V and 24 V.
The typical dropout voltage is about 2 V at a 1 A load.