The document describes the features and characteristics of the L7800AB/AC series of three-terminal positive regulators, including output current exceeding 1A, multiple output voltages, thermal overload protection, and output transition SOA protection.
The L7800AB/AC series are three‑terminal positive regulators available in TO‑220, TO‑220FP, and D²PAK packages. They deliver over 1 A output current with fixed output voltages of 5, 6, 8, 9, 12, 15, 18, 20, and 24 V, and include internal current limiting, thermal shutdown, and safe‑area protection.
The document lists absolute maximum ratings, thermal data, pin configurations, test circuits, and detailed electrical characteristics for each fixed‑voltage version (e.g., L7805A, L7806A, L7808A). It also includes revision history and legal notices.
| Maximum output current | over 1 A |
|---|---|
| Available output voltages | 5 V, 6 V, 8 V, 9 V, 12 V, 15 V, 18 V, 20 V, 24 V |
| Output voltage tolerance | ±2 % |
| Thermal overload protection | Yes |
| Safe‑area protection | Yes |
| Storage temperature range | -65 °C to 150 °C |
| Operating junction temperature range | -40 °C to 125 °C |
| Thermal resistance (junction‑case) TO‑220 | 3 °C/W |
| Thermal resistance (junction‑ambient) TO‑220 | 50 °C/W |
| Dropout voltage at 1 A | 2 V |
The regulators can deliver output current in excess of 1 A.
The series provides fixed output voltages of 5 V, 6 V, 8 V, 9 V, 12 V, 15 V, 18 V, 20 V, and 24 V.
They can be stored from –65 °C up to 150 °C.
They include internal current limiting, thermal shutdown, safe‑area (SOA) protection, and thermal overload protection.