| ??? 07/04/05 16:25 Read: times |
#96538 - But but Responding to: ???'s previous message |
In order to get any brightness, the average current through the LEDs must be the ~500mA Per mentioned. Using the method he describes (unless I'm mistaking what he meant!), this can only be achieved with relatively high peak currents.
He could add a series inductor to limit those peaks. Rob. |
| Topic | Author | Date |
| PWM - LCD backlight | 01/01/70 00:00 | |
| One Approach! | 01/01/70 00:00 | |
| Why not. | 01/01/70 00:00 | |
| Not an entirely good idea | 01/01/70 00:00 | |
| But | 01/01/70 00:00 | |
| But but | 01/01/70 00:00 | |
| hmm | 01/01/70 00:00 | |
| Apologies | 01/01/70 00:00 | |
| Buck, actually | 01/01/70 00:00 | |
| Bugger it. | 01/01/70 00:00 | |
| Bugger it | 01/01/70 00:00 | |
| Capacitor? | 01/01/70 00:00 | |
| biology | 01/01/70 00:00 | |
| Per | 01/01/70 00:00 | |
| development | 01/01/70 00:00 | |
| I got that working nicely.... | 01/01/70 00:00 | |
| Well Done | 01/01/70 00:00 | |
| what I do | 01/01/70 00:00 | |
final cut | 01/01/70 00:00 |