L7800AB/AC series precision 1A regulators, with output current exceeding 1A, output voltages of 5; 6; 8; 9; 12; 15; 18; 20; 24V, with thermal overload protection, output transition SOA protection, guaranteed in extended temperature range output voltage 2% tolerance.
The L7800AB/AC series are three‑terminal positive regulators offered in TO‑220 and DPAK packages. They deliver up to 1 A output current, feature internal current limiting, thermal shutdown and safe‑area protection, and are suitable for on‑card regulation in a wide range of applications.
The document lists absolute maximum ratings, thermal data, electrical characteristics (output voltage, line and load regulation, dropout voltage, quiescent current, supply‑rejection), mechanical dimensions for the TO‑263 (DPAK) package, and ordering information for the various fixed‑voltage versions.
| Output Voltages | 5 V, 6 V, 8 V, 9 V, 12 V, 15 V, 18 V, 20 V, 24 V |
|---|---|
| Output Voltage Tolerance | ±2 % |
| Dropout Voltage (1 A, 25 °C) | 2 V |
| Quiescent Current (25 °C) | 4.3 mA typical, 6 mA max |
| Supply Voltage Rejection (120 Hz) | 68 dB (5 V version) |
Each device includes internal current limiting, thermal shutdown, and safe‑area protection.
The dropout voltage is specified as 2 V at a 1 A load and 25 °C junction temperature.
The output voltage tolerance is guaranteed at ±2 %.