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LM2678 Datasheet(PDF) 9 Page - Texas Instruments |
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LM2678 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 36 page 9 LM2678 www.ti.com SNVS029J – MARCH 2000 – REVISED JULY 2016 Product Folder Links: LM2678 Submit Documentation Feedback Copyright © 2000–2016, Texas Instruments Incorporated Typical Characteristics (continued) Discontinuous Mode Switching Waveforms, VIN = 20 V, VOUT = 5 V, ILOAD = 500 mA, L = 10 μH, COUT = 400 μF, COUTESR = 13 mΩ A. VSW pin voltage = 10 V/div B. Inductor current = 1 A/div C. Output ripple voltage = 20 mV/div AC-coupled Figure 13. Horizontal Time Base: 1 μs/div Load Transient Response for Continuous Mode, VIN = 20 V, VOUT = 5 V, L = 10 μH, COUT = 400 μF, COUTESR = 13 mΩ A. Output voltage = 100 mV/div, AC-coupled B. Load current = 500-mA to 5-A load pulse Figure 14. Horizontal Time Base: 100 μs/div Load Transient Response for Discontinuous Mode, VIN = 20 V, VOUT = 5 V, vs L = 10 μH, COUT = 400 μF, COUTESR = 13 mΩ A. Output voltage = 100 mV/div, AC-coupled B. Load current = 200-mA to 3-A load pulse Figure 15. Horizontal Time Base: 200 μs/div |
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