ETA2831 Description
The ETA2831 is a total solution IC specifically for high voltage USB charging applications. It includes a wide input range, high-efficiency, and high frequency DC-to-DC step-down switching regulator that is capable of delivering up to 4A of output current and a low side USB current limiting switch. The DC-DC in ETA2831 is a current mode converter with a fixedfrequency that is externally adjustable.
ETA2831 Key Features
- Wide Input Operating Range from 4V to 36V
- Standoff Input Voltage: 42V
- High Efficiency at 12V In 5V Out: Up to 91%
- High Efficiency PFM mode at light load
- Capable of Delivering 3.5A output current
- Peak Output Current up to 4A
- Cable resistance pensation
- Adjustable Switching frequency
- Adjustable Output current limit
- Frequency dithering Option for low EMI available