A4491
A4491 is Triple Output Step-Down Switching Regulator manufactured by Allegro MicroSystems.
Triple Output Step-Down Switching Regulator
Features
AND BENEFITS
- Three buck converters in a single package
- 4.5 to 23 V input voltage range
- 550 kHz fixed frequency
- Multiphase switching for smaller ponents and lower EMI
- Independent control of each converter for sequencing and shutdown control
- Power-on-reset flag with adjustable delay
- Internal pensation to minimize ponents and simply design
- 4 × 4 mm QFN Package, small PCB footprint
PACKAGE: 20-contact QFN (suffix ES)
Approximate footprint
DESCRIPTION
Designed to provide the power supply requirements of printers, office automation, industrial, and portable equipment, the A4491 provides three high current, high...
