ACT4921
Description
The ACT4921 device is a highly integrated power loss protection IC. It provides backup storage power in the event of an input power failure.
Key Features
- Optimized for Low Voltage Applications
- 2.6-to-7V Operating Input Range
- 8V Max Input Blocking Voltage
- Adjustable In-rush Current Control
- Configurable Input Power Failure Level
- Programmable up to 6A Input Current Limit
- Programmable 5V to 28V Boost Storage Voltage
- 28V@4A Synchronous Buck Supports 100% Duty Cycle
- Programmable up to 2.25MHz Buck Operating Frequency for Small Inductor Size
- Power Loss, Vout Power Good, and Storage Cap Power Good Indicators