| ??? 03/14/03 14:53 Read: times |
#41515 - RE: -12 volts from 7912 Responding to: ???'s previous message |
I have used the 7660 chip in similar way. It can invert the +12 to -12. With proper capacitor selection you could anticipate a current over 35 mA. If you need -5 as well use a second 7660 to invert the +5 to -5 volts. This chip is attractive for low current usage and requires no shotty diode or inductor like the higher current levels offered by some of the switched mode controller chips.
Michael Karas |
| Topic | Author | Date |
| -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| Re Ijaz | 01/01/70 00:00 | |
| RE: -12 for bell? | 01/01/70 00:00 | |
RE: -12 for bell? | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 | |
| RE: -12 volts from 7912 | 01/01/70 00:00 |