Failsafe circuits with a negative regulator need an NPN Q1
| Authors | Stephen Woodward |
| Main Document | Article «Adjustable regulator trimmer simple failsafe circuit» |
| Description | Figure 4 |
| File Format / Size | PDF / 13 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Adjustable regulator trimmer simple failsafe circuit»
- Figure 1. The typical regulator datasheet adjustment circuit
- Figure 2. A simple failsafe circuit where the NC pin of the pot R2 (in Figure 1) is instead connected to Q1
- Figure 3. Failure is an option!
- Figure 4. Failsafe circuits with a negative regulator need an NPN Q1
- Figure 5. Failsafe circuit with the pot wiper grounded
