Schematic showing the DAC control of IS. IS = D amps, where D = PWM duty factor. The asterisked resistors should be 1% or better
| Authors | Stephen Woodward |
| Main Document | Article «LM4041 voltage regulator impersonates precision current source» |
| Description | Figure 3 |
| File Format / Size | PDF / 17 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «LM4041 voltage regulator impersonates precision current source»
- Figure 1. Weirdly, the "CATHODE" serves as the sense pin for active current source regulation
- Figure 2. The booster transistor Q1 can handle current beyond 4041 max IS and dissipation limits
- Figure 3. Schematic showing the DAC control of IS. IS = D amps, where D = PWM duty factor. The asterisked resistors should be 1% or better
- Figure 4. Additional zero and span pots to implement a single-pass calibration for best accuracy
