There is a ac to dc converter embedded in package 24-UFQFN Exposed Pad .There is a mounting point for this AC/DC converter in the way of Surface Mount .It is necessary to operate the ac dc converter at a temperature of -40°C~85°C °C in order for it to perform properly.As a result, the switching frequency reaches 20kHz~150kHz .The AC/DC converter is capable of being used when the supply voltage is 2.7V~5.5V (Vcc/Vdd).
CYPD3184A1-24LQXQT Features
Packaged with 24-UFQFN Exposed Pad Switching Frequency at 20kHz~150kHz
CYPD3184A1-24LQXQT Applications
There are a lot of Cypress Semiconductor Corp CYPD3184A1-24LQXQT AC DC Converters applications.