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UCC28019 Datasheet(PDF) 4 Page - Texas Instruments |
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UCC28019 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 49 page  www.ti.com UCC28019 SLUS755B – APRIL 2007 – REVISED DECEMBER 2007 ELECTRICAL CHARACTERISTICS (continued) Unless otherwise noted, VCC = 15 VDC, 0.1 µF from VCC to GND, -40°C ≤ TJ = TA ≤ 125°C. All voltages are with respect to GND. Currents are positive into and negative out of the specified terminal. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Current Loop gmi Transconductance gain TA = 25°C 0.75 0.95 1.15 mS Output linear range 50 µA ICOMP voltage during OLP VSENSE = 0.5 V 3.7 4.0 4.3 V Voltage Loop VREF Reference voltage -40 °C ≤ T A ≤ 125°C 4.90 5.00 5.10 V gmv Transconductance gain 31.5 42 52.5 µS Maximum sink current under normal VSENSE = 6 V, VCOMP = 4 V 21 30 38 operation Source current under soft start VSENSE = 4 V, VCOMP = 0 V –21 -30 -38 µA VSENSE = 4 V, VCOMP = 0 V –100 –170 –250 Maximum source current under EDR operation VSENSE = 4 V, VCOMP = 4 V –60 –100 –140 Enhanced dynamic response, VSENSE 4.63 4.75 4.87 V low threshold, falling VSENSE input bias current 1 V ≤ VSENSE ≤ 5 V 100 250 nA VCOMP voltage during OLP VSENSE = 0.5 V, IVCOMP = 0.5 mA 0 0.2 0.4 V GATE Driver GATE current, peak, sinking(1) CGATE = 4.7 nF 2.0 A GATE current, peak, sourcing(1) CGATE = 4.7 nF –1.5 GATE rise time CGATE = 4.7 nF, GATE = 2 V to 8 V 40 60 ns GATE fall time CGATE = 4.7 nF, GATE = 8 V to 2 V 25 40 GATE low voltage, no load GATE = 0 A 0 0.05 GATE low voltage, sinking GATE = 20 mA 0.3 0.8 GATE low voltage, sourcing GATE = -20 mA –0.3 –0.8 GATE low voltage, sinking VCC = 5 V, GATE = 5 mA 0.2 0.75 1.2 V GATE low voltage, sinking VCC = 5 V, GATE = 20 mA 0.2 0.9 1.5 GATE high voltage VCC = 20 V, CGATE = 4.7 nF 11 12.5 14 GATE high voltage VCC = 11 V, CGATE = 4.7 nF 9.5 10.5 11.0 VCC = VCCOFF + 0.2 V, GATE high voltage 8.0 9.0 10.2 CGATE = 4.7 nF (1) Not tested. Characterized by design. 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): UCC28019 |
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