Datasheet TL431, TL431A (Fairchild) - 6
| 制造商 | Fairchild |
| 描述 | Programmable Shunt Regulator |
| 页数 / 页 | 10 / 6 — TL431/TL431A. Typical Application. MC7805/LM7805. TL431/A. Figure 10. … |
| 文件格式/大小 | PDF / 100 Kb |
| 文件语言 | 英语 |
TL431/TL431A. Typical Application. MC7805/LM7805. TL431/A. Figure 10. Shunt Regulator. Figure 11. Output Control for Three-
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TL431/TL431A Typical Application
R ⎛ ⎞ R ⎛ 1⎞ R ⎛ ⎞ V 1 = 1 1 + ---- V V = V 1 + ---- V = 1 + ---- V O ⎝ R ⎠ ref O ref⎝ R ⎠ O ⎝ R ⎠ ref 2 2 2
MC7805/LM7805 TL431/A TL431/A TL431/A Figure 10. Shunt Regulator Figure 11. Output Control for Three- Figure 12. High Current Shunt Regula- Termianl Fixed Regulator tor TL431/A TL431/A Figure 13. Current Limit or Current Source Figure 14. Constant-Current Sink 6
R ⎛ ⎞ R ⎛ 1⎞ R ⎛ ⎞ V 1 = 1 1 + ---- V V = V 1 + ---- V = 1 + ---- V O ⎝ R ⎠ ref O ref⎝ R ⎠ O ⎝ R ⎠ ref 2 2 2
MC7805/LM7805 TL431/A TL431/A TL431/A Figure 10. Shunt Regulator Figure 11. Output Control for Three- Figure 12. High Current Shunt Regula- Termianl Fixed Regulator tor TL431/A TL431/A Figure 13. Current Limit or Current Source Figure 14. Constant-Current Sink 6