Timeline for What's the most efficient way to derive negative voltage for a bench power supply?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Mar 7, 2014 at 12:55 | vote | accept | mlemos | ||
| Mar 7, 2014 at 12:20 | comment | added | Spehro 'speff' Pefhany | See edits clarifying problem. | |
| Mar 7, 2014 at 12:20 | history | edited | Spehro 'speff' Pefhany | CC BY-SA 3.0 |
added 427 characters in body
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| Mar 7, 2014 at 11:43 | comment | added | mlemos | Thanks @SpehroPefhany . So, the two points here are: 1) 24VAC in the input may be too close due to all the lost voltage in the regulators, diodes, etc to reach my desired max 15VDC output? 2) Use this TC7660 to generate the negative voltage. Can I use a LM7805 to feed him? | |
| Mar 7, 2014 at 4:41 | comment | added | markrages | +1. The TC7660 should easily supply the dozen or so mA for this circuit. | |
| Mar 7, 2014 at 3:20 | history | answered | Spehro 'speff' Pefhany | CC BY-SA 3.0 |