The BM2P061E-Z from Rohm Semiconductor is a PWM DC-DC converter Integrated Circuit with offline flyback topology operating at 65 kHz, in a 7-DIP-AK package.
The BM2P061MF-ZE2 from Rohm Semiconductor is an offline flyback converter Integrated Circuit with 65 kHz operation and 1.0 on-resistance, in a 20-SOP package.