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TL431CDBVR 데이터시트(PDF) 29 Page - Texas Instruments |
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TL431CDBVR 데이터시트(HTML) 29 Page - Texas Instruments |
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29 / 75 page ![]() R (see Note A) VO TL431 VI(BATT) 2N222 2N222 4.7 kΩ R1 0.1% R2 0.1% 0.01 µF 30 Ω O ref R1 V = 1 + V R2 æ ö ç ÷ è ø VO TL431 VI(BATT) uA7805 IN OUT Common R1 R2 V O 1 R1 R2 V ref Minimum V O V ref 5 V = + = + ( ( VO TL431 VI(BATT) R1 R2 V O 1 R1 R2 V ref = + ( ( VO TL431 VI(BATT) R1 R2 C (see Note A) TL431, TL431A, TL431B TL432, TL432A, TL432B www.ti.com SLVS543K – AUGUST 2004 – REVISED JUNE 2010 A. R should provide cathode current ≥1 mA to the TL431 at minimum V(BATT). Figure 19. Precision High-Current Series Regulator Figure 20. Output Control of a Three-Terminal Fixed Regulator Figure 21. High-Current Shunt Regulator A. Refer to the stability boundary conditions in Figure 15 and Figure 16 to determine allowable values for C. Figure 22. Crowbar Circuit Copyright © 2004–2010, Texas Instruments Incorporated Submit Documentation Feedback 29 Product Folder Link(s): TL431 TL431A TL431B TL432 TL432A TL432B |
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