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TPS53819A Datasheet(PDF) 11 Page - Texas Instruments |
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TPS53819A Datasheet(HTML) 11 Page - Texas Instruments |
11 / 43 page V IN = 12 V, V OUT = 1.2 V, 425 kHz, DCM V OUT (50 mV/div) SW (10 V/div) IL (5 A/div) Time (0.1 ms/div) V IN = 12 V, V OUT = 1.2 V, 425 kHz , DCM V OUT (50 mV/div) SW (10 V/div) I L (5 A/div) Time (0.1 ms/div) V IN = 12 V, V OUT = 1.2 V I OUT = 0 A, 425 kHz, FCCM VOUT (50 mV/div) SW (10 V/div) I L (5 A/div) Time (2 µs/div) V IN = 12 V, V OUT = 1.2 V I OUT = 0 A, 425 kHz, DCM VOUT (50 mV/div) SW (10 V/div) IL (5 A/div) Time (1 µs/div) V IN = 12 V, V OUT = 1.2 V I OUT = 0 A 425 kHz, DCM VIN (5 V/div) V OUT (0.5 V/div) VREG (5 V/div) PGOOD (5 V/div) Time (2 ms/div) V IN = 12 V, V OUT = 1.2 V I OUT = 20 A, 425 kHz VIN (5 V/div) V OUT (0.5 V/div) VREG (5 V/div) PGOOD (5 V/div) Time (2 ms/div) TPS53819A www.ti.com SLUSB56 – NOVEMBER 2012 TYPICAL CHARACTERISTICS (continued) Figure 13. No-Load UVLO Start-Up Waveforms Figure 14. Full-Load UVLO Start-Up Waveforms Figure 15. 1.2-V Output Ripple with FCCM Figure 16. 1.2-V Output Ripple with DCM Figure 17. CCM to DCM Transitions Figure 18. DCM to CCM Transitions Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links :TPS53819A |
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