FEATURES

■ Three-channel PMU:Buck,Boost

and

Super

capacitor charger

■

wide working range: 5V-40V

■ 3.3V 450mA Output Power for Buck

■

12V 500mA Output Power for Boost at 2.7V

Input

■

1% accuracy for Charger CV voltage and up

to 150mA constant charge current

■

High Efficiency PFM mode at light load for

Buck

■ Enable pin to auto-switch boost and charger

■

Available in ES0P8 and QFN3x4-24 Package

APPLICATIONS

■ PLC modules

■ Power Meters

■ Any system that needs super capacitor as a

backup power

DESCRIPTION

ZCC4200 is a three-channel PMU that includes a

40V input, a high efficiency synchronous buck

converter, a low startup, high efficiency 18V

boost converter and a super capacitor Charger.

The buck converter withstands input voltage up

to 40V and delivers a 3.3V output with up to 450mA

current. The boost converter is capable of

providing up to 500mA to 12V output from a single

cell super capacitor or a battery at 2.7V. A

linear supercapacitor charge is also integrated with a very high accuracy CV voltage.

The output voltage of boost can be adjusted by

external resistor divider. All three power

modules are packed into a single ES0P8 and

QFN3x4-24 package,beating the discrete

solution in features, performance, size, PCB

layout and cost