RAA271082 Overview
Datasheet RAA271082 Automotive PMIC with Three Synchronous Buck Regulators and One Low Dropout Linear Regulator The RAA271082 is a versatile multi-rail power IC prised of a primary high voltage synchronous buck regulator, two secondary low voltage synchronous buck regulators, and an LDO regulator. It offers four overvoltage and undervoltage monitors, I2C munications, a general-purpose I/O pin, and a dedicated reset...
RAA271082 Key Features
- ASIL-D ISO26262 Development Process
- VIN Operating Range from 4.0 to 42V
- Start Range 4.5 to 42V
- Fixed Switching frequency: 2.2MHz with optional
- Three synchronous bucks with internal
- Buck1 output range: 2.8V to 5.05V, up to 1A
- Buck2/3 output range: 0.85V to 3.3V, up to 1A
- LDO4 output range: 2.7V to 3.4V, up to 300mA
- OTP UV/OV Thresholds: ±4%, ±6%, ±8%, ±12%
- OTP power up/down sequence and delay