The LM51772 is a four switch Buck-Boost controller. The device provides a regulated output voltage if the input voltage is higher, equal or lower as the adjusted output voltage. In power safe mode, the device supports a superb efficiency over the full range of the output.
- Wide input range from 3.5V to 55V (EVM max. 48V)
- Output voltage 3.3V to 55V (EVM max. 48V)
- Peak current regulation scheme
- Dynamic output voltage tracking
- Digital PWM tracking input
- Analog tracking input
- Via I2C interface programming
- Minimum quiescent current
- Low shut down Iq of 3μA
- Low operating Iq of 25μA
- Operation mode selection for high light load efficiency
- Power save burst mode
- μSleep power save mode
- Integrated high voltage supply LDO