A TL431 replaces a more expensive operational amplifier in this power supply's PWM feedback- regulator circuit
| Authors | Michael O'loughlin |
| Main Document | Article «Shunt Regulator Serves as Inexpensive Op Amp in Power Supplies» |
| Description | Figure 2 |
| File Format / Size | PDF / 19 Kb |
| Document Language | English |
Other Materials from the Main Document
- Article «Shunt Regulator Serves as Inexpensive Op Amp in Power Supplies»
- Figure 1. Despite the block diagram, the TL431 is internally complex (a), but you need only three external resistors to use the TL431 in a basic shunt-regulator circuit (b)
- Figure 2. A TL431 replaces a more expensive operational amplifier in this power supply's PWM feedback- regulator circuit
