DCDC Regulators
Triple-Output Step-Down Switching Regulator with Independent Control and Power Sequencing
A4491
The A4491 simplifies power supply design with three integrated buck converters, independent enable controls for flexible power sequencing, and a power-on reset with adjustable delay.
Product Details
Product Details
Top Features
- Three buck converters in a single package
- 4.5 to 23 V input voltage range
- 550 kHz fixed frequency
- Multiphase switching for smaller components and lower EMI
- Independent control of each converter for sequencing and shutdown control
- Power-on-reset flag with adjustable delay
- Internal compensation to minimize components and simplify design
- 4 × 4 mm QFN Package, small PCB footprint
Target Application
