The LP38690/2-ADJ low dropout CMOS linear regulators provide 2.5% precision reference voltage, extremely low dropout voltage (450mV @ 1A load current, VOUT = 5V) and excellent AC performance utilizing ultra low ESR ceramic output capacitors.
The LP38690/2-ADJ are 1A low dropout CMOS linear regulators designed to provide a precise 2.5% reference voltage with extremely low dropout voltage (450mV @1A). They utilize ultra-low ESR ceramic output capacitors and feature packages with low thermal resistance, allowing full operating current in high ambient temperature environments.
| Output voltage range | 1.25V - 9V |
|---|---|
| Adjust pin voltage accuracy | 2.5% (25˚C) |
| Dropout voltage @1A, 5V out | 450mV (typ) |
| Input voltage range | 2.7V to 10V |
| Operating temperature range | -40˚C to +125˚C |
| Quiescent current (off-state) | 1µA |
The typical dropout voltage is 450mV when the output is 5V and the load current is 1A.
The devices are supplied in SOT-223 and 6-Lead LLP packages.
The adjust pin voltage has a 2.5% accuracy at 25˚C.