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TPS40021-EP Datasheet(PDF) 6 Page - Texas Instruments |
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TPS40021-EP Datasheet(HTML) 6 Page - Texas Instruments |
6 / 33 page TPS40021-EP SLUSB58 – SEPTEMBER 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) TJ = −55°C to 125°C, TJ = TA, VDD = 5.0 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SYNCHRONIZATION Synchronization enable low VENSY 0.7 V threshold voltage Synchronization current limit VBLNK Referenced to VDD -0.7 V enable threshold voltage Minimum synchronization tMIN 35 50 ns input pulse width PREDICTIVE DELAY Sense voltage to modulate VSWP -200 mV delay Maximum delay modulation LDRV OFF-to-HDRV ON 40 65 90 tLDHD ns Counter delay/bit time LDRV OFF-to-HDRV ON 2.5 4.5 6.2 Maximum delay modulation HDRV OFF-to-LDRV ON 80 tHDLD ns Counter delay/bit time HDRV OFF-to-LDRV ON 5 RECTIFIER ZERO CURRENT COMPARATOR tZBLNK Zero current blanking time(4) 150 ns (4) Specified by design. Not production tested. 6 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links: TPS40021-EP |
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