Schematic diagram:
| IC | Switcher/regulator | LM2577T-ADJ (National Semiconductor) |
| R1 and R2 | Voltage devider for monitoring output voltage | 20Kohms pot. (Bourns) |
| Cin | Decoupling | 0.1΅F, 63V MKS condensator (WIMA) |
| L | Use a good quality coil! | 160΅H toroοd (2.5A, 70mohms, nickel-iron core) |
| D | Current higher than output current! | FR603 60V reverse breakdown, 3A Schottky-diode |
| Rc and Cc | Pole-zero compensation network | 2200ohms, 5% and 1΅F, 63V elco (Philips) |
| Cout | Get a low ESR type! | 2200΅F, 16V elco (Telecon) |
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