APW7438A
Description
The APW7438A/B is a digitally controlled step-down regulator IC with an integrated 20mΩ high-side P-channel MOSFET and an 8mΩ low-side N-channel MOSFET.
Key Features
- Pseudo frequency COT control
- Extremely fast line/load transient response
- I2C for output adjustment (3.4 Mbps)
- 1.2 MHz switching frequency I2C Interface
- Extremely low-RDSON MOSFETS
- Input voltage rail 2.7V to 6V
- Up to 7A output current
- Power save mode for light-load efficiency
- UVLO, OVP, and OCP
- 40°C to 85°C ambient temperature
Applications
- High performance hard disk drive (HDD)
