BUY STK4843 https://www.utsource.net/itm/p/967759.html
STK4843
Description: STK4843 is a SIP-ZIP from Sanyo. Features: This device has a worldwide safety approved power supply, a positive output voltage, a line regulation of 0.4%, a low ripple noise and low power consumption. Application: The STK4843 is designed for use in switching power supply applications such as AC/DC adapters, chargers, and other industrial applications. (For reference only)