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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS40305DRCT Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS40305DRCT Fiches technique(HTML) 4 Page - Texas Instruments |
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4 / 29 page  TPS40303, TPS40304, TPS40305 SLUS964 – NOVEMBER 2009 www.ti.com ELECTRICAL CHARACTERISTICS (continued) TJ = –40°C to 125°C, VVDD = 12 V, all parameters at zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PGOOD Feedback upper voltage limit for VOV 655 675 700 PGOOD Feedback lower voltage limit for mV VUV 500 525 550 PGOOD VPGD-HYST PGOOD hysteresis voltage at FB 25 40 RPGD PGOOD pull down resistance VFB = 0 V, IFB = 5 mA 30 70 Ω 550 mV < VFB < 655 mV, IPGDLK PGOOD leakage current 10 20 µA VPGOOD = 5 V OUTPUT DRIVERS RHDHI High-side driver pull-up resistance VBOOT – VSW = 5 V, IHDRV = –100 mA 0.8 1.5 2.5 Ω RHDLO High-side driver pull-down resistance VBOOT – VSW = 5 V, IHDRV = 100 mA 0.5 1.0 2.2 Ω RLDHI Low-side driver pull-up resistance ILDRV = -100 mA 0.8 1.5 2.5 Ω RLDLO Low-side driver pull-down resistance ILDRV = 100 mA 0.35 0.60 1.20 Ω tHRISE (2) High-side driver rise time CLOAD = 5 nF 15 ns tHFALL (2) High-side driver fall time 12 ns tLRISE (2) Low-side driver rise time 15 ns tLFALL (2) Low-side driver fall time 10 ns OVERCURRENT PROTECTION tPSSC(min) (2) Minimum pulse time during short circuit 250 ns tBLNKH (2) Switch leading-edge blanking pulse time 150 ns VOCH OC threshold for high side FET TJ = 25°C 360 450 580 mV IOCSET OCSET current source TJ = 25°C 9.5 10.0 10.5 µA VLD-CLAMP Maximum clamp voltage at LDRV 260 340 400 mV OC comparator offset voltage for low VOCLOS TJ = 25°C –8 8 mV side FET Programmable OC range for low side VOCLPRO (2) TJ = 25°C 12 300 mV FET OC threshold temperature coefficient VTHTC (2) 3000 ppm (both high side and low side) tOFF OC retry cycles on EN/SS pin 4 Cycle BOOT DIODE VDFWD Bootstrap diode forward voltage IBOOT = 5 mA 0.8 V THERMAL SHUTDOWN TJSD (2) Junction shutdown temperature 145 °C TJSDH (2) Hysteresis 20 °C (2) Ensured by design. Not production tested. 4 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s) :TPS40303 TPS40304 TPS40305 |
Numéro de pièce similaire - TPS40305DRCT |
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Description similaire - TPS40305DRCT |
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