The UP1728 is a high-efficiency synchronous rectification buck converter with internal power switches. Fixed 1.2MHz PWM operation allows the smallest possible output ripple and external component size. The UP1728 can deliver 3.0A of output current over a wide input voltage range of 2.6V to 5.5V. Other features of the UP1728 include internal soft-start, the chip enables, overvoltage, under voltage, overtemperature, and overcurrent protection.
Product feature:
2.6V to 5.5V input voltage range
Adjustable output from 0.6V to VIN
Guaranteed 3.0A output current
Accurate reference: 0.6V (+1%)
Up to 95% conversion efficiency
Low quiescent current
Integrated low RDS(ON) upper and lower MOSFETs
Switches: 80mΩ and 60mΩ
Current Mode PWM Operation
Fixed frequency: 1.2MHz
100% maximum duty cycle for lowest dropout voltage
Internal soft start
Overvoltage and undervoltage protection
Over temperature and over current protection
WDFN3*3-10L Package
RoHS compliant and halogen free