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UCC28810D Datasheet(PDF) 5 Page - Texas Instruments |
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UCC28810D Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 31 page  UCC28810 UCC28811 www.ti.com.............................................................................................................................................................................................. SLUS865 – OCTOBER 2008 ELECTRICAL CHARACTERISTICS (continued) –40°C ≤ TA = TJ ≤ 105°C, VVDD = 12 VDC, CGDRV = 0.1-µF from VDD to GND, all voltages are with respect to GND. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ZERO POWER VEAOUT Zero power comparator threshold(1) 2.1 2.3 2.5 V TRANSFORMER ZERO ENERGY DETECT Input threshold (rising edge)(1) 1.00 1.25 1.80 V Hysteresis(1) 250 350 450 mV Input high clamp ITZE = 3 mA 5 6 V Input low clamp ITZE = –3 mA 0.30 0.65 0.90 V tRSRT Restart time delay 200 400 µs CURRENT SENSE COMPARATOR IBIAS Input bias current VISENSE = 0 V 0.1 1.0 µA Input offset voltage(1) –10 10 mV tDLY Delay to output ISENSE to GDRV 300 400 ns Maximum current sense threshold voltage 1.55 1.70 1.80 V PFC GATE DRIVER RPULLUP GDRV pull up resistance IGDRV = –125 mA 5 12 Ω RPULLDN GDRV pull down resistance IGDRV = 125 mA 2 10 Ω tRISE GDRV output rise time CGDRV = 1 nF, RGRDV = 10 Ω 25 75 ns tFALL GDRV output fall time CGDRV = 1 nF, RGRDV = 10 Ω 10 50 ns (1) Ensured by design. Not production tested. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): UCC28810 UCC28811 |
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