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UCC28051PE4 Datasheet(PDF) 5 Page - Texas Instruments |
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UCC28051PE4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 32 page UCC28050, UCC28051 UCC38050, UCC38051 SLUS515F−SEPTEMBER 2002 − REVISED MARCH 2009 5 www.ti.com ELECTRICAL CHARACTERISTICS TA = 0_C to 70_C for the UCC3805x, –40_C to 105_C for the UCC2805x, TA = TJ, VCC = 12 V. zero power PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Zero power comparator threshold(1) Measured on VCOMP 2.1 2.3 2.5 V zero current detect PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input threshold (rising edge) (1) 1.5 1.7 2.0 V Hysteresis(1) 250 350 450 mV Input high clamp I = 3 mA 5 6 V Input low clamp I = −3 mA 0.30 0.65 0.90 V Restart time delay 200 400 μs current sense comparator PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input bias current CS = 0 V 0.1 1.0 μA Input offset voltage(1) −10 10 mV Delay to output CS to DRV 300 450 ns Maximum current sense threshold voltage 1.55 1.70 1.80 V PFC gate driver PARAMETER TEST CONDITIONS MIN TYP MAX UNITS GT1 pull up resistance IOUT = –125 mA 5 12 Ω GT1 pull down resistance IOUT = 125 mA 2 10 Ω GT1 output rise time CLOAD = 1 nF, RLOAD = 10 Ω 25 75 ns GT1 output fall time CLOAD = 1 nF, RLOAD = 10 Ω 10 50 ns (1) Ensured by design. Not production tested. |
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