DCDC Regulators
Triple-Output Step-Down Switching Regulator with Independent Control and Power Sequencing
A4491
Markets Served
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
