Use a 555 timer as a switch-mode power supply - EDN
555 IC — Astable Mode. Playing with 555 Timer — Part III —… | by J3 | Jungletronics | Medium
Dual Power Supply Using 555 Timer IC
Power supply time by 555 timer | Download Scientific Diagram
Efficient flyback driver circuit using ic-555
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Amazon.com: PwrON (6.6 FT Cable) AC DC Adapter for Roland SP-555 Pattern Sequencer SP-606 Sampling Workstation Boss Power Supply Cord : Musical Instruments
555-controlled Switching Mode Power Supply | Hackaday.io
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LEAP#415
555 Timer Tutorial - The Monostable Multivibrator
Power supply unit with 555 timer chip. | Download Scientific Diagram