The AZ1117 is a low‑dropout linear regulator with 1.15 V dropout at 1 A, multiple fixed/adjustable outputs, and several package options.
The AZ1117 series from BCD Semiconductor provides low‑dropout regulation with a typical dropout of 1.15 V at 1 A output current. It offers both fixed voltage versions (1.2 V, 1.5 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V) and an adjustable version that can be set from 1.25 V to 12 V using two external resistors.
The device includes trimmed current limiting, on‑chip thermal shutdown, and a bandgap reference for output accuracy. It is supplied in standard packages such as SOT‑223, SOT‑89, TO‑220‑3, TO‑252‑2, and TO‑263‑3, and is RoHS‑compliant with lead‑free options.
| Dropout Voltage | 1.15 V at 1 A |
|---|---|
| Fixed Output Voltages | 1.2 V, 1.5 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V, 5.0 V |
| Adjustable Output Range | 1.25 V – 12 V |
| Thermal Shutdown Junction Temperature | 150 °C |
| Maximum Input Voltage (Absolute) | 20 V |
The AZ1117 has a dropout voltage of 1.15 V when delivering 1 A of output current.
The absolute maximum input voltage rating is 20 V.
Yes, it features on‑chip thermal shutdown with a junction temperature limit of 150 °C.