A4407 Overview
A4407 2.2 MHz Constant On-Time Buck Regulator With Two External and Two Internal Linear Regulators.
A4407 Key Features
- AEC-Q100 Grade 0 qualified
- Internal buck pre-regulator followed by LDO outputs
- 5.5 to 36 V VIN operating range (50 V maximum)
- Constant on-time (COT) buck pre-regulator
- Valley current sensing achieves shortest buck on-times
- 2.2 MHz (VIN
- adjusted) switching frequency
- 5 V internal low-dropout linear regulator with foldback
- 3.3 V external FET controller/driver with programmable
- Power-on reset (NPOR) with adjustable rising delay