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TL1431-SP 데이터시트(PDF) 8 Page - Texas Instruments |
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TL1431-SP 데이터시트(HTML) 8 Page - Texas Instruments |
8 / 13 page + − TL1431 12 V 6.8 k Ω 5 V +0.5% 10 k Ω 10 k Ω 0.1% 10 k Ω 0.1% VCC X Not Used TL598 Feedback V(BATT) VO = 5 V Rb TL1431 27.4 k Ω 0.1% 27.4 k Ω 0.1% LM317 In Out V(BATT) 8.2 k Ω TL1431 Adjust 243 Ω 0.1% 243 Ω 0.1% VO = 5 V, 1.5 A, 0.5% V(BATT) TL1431 V O + 1 ) R1 R2 V I(ref) R1 R2 R VO V(BATT) VO TL1431 R1 R2 C V trip + 1 ) R1 R2 V I(ref) TL1431-SP SLVSB44 – JULY 2012 www.ti.com Figure 20. Higher-Current Shunt Regulator Figure 21. Crowbar A. Rb should provide cathode current ≥1 mA to the TL1431. Figure 22. Precision 5-V, 1.5-A, 0.5% Regulator Figure 23. 5-V Precision Regulator Figure 24. PWM Converter With 0.5% Reference A. Select R3 and R4 to provide the desired LED intensity and cathode current ≥1 mA to the TL1431. 8 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): TL1431-SP |
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