The LYT5216D-TL from Power Integrations is an offline switch Integrated Circuit (MULT TOP) for flyback, step-down (buck) and step-up (boost) topologies operating at 132.7 kHz, in a 16-SO B package.
The LYT5216D from Power Integrations is an offline switch Integrated Circuit for flyback, step-down (buck) and step-up (boost) topologies at 132.7 kHz, in a 16-SO B package.