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UCC3819ANG4 Datasheet(PDF) 5 Page - Texas Instruments |
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UCC3819ANG4 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 21 page  UCC2819A UCC3819A SLUS579 − OCTOBER, 2003 5 www.ti.com ELECTRICAL CHARACTERISTICS TA = 0°C to 70°C for the UCC3819A, −40°C to 85°C for the UCC2819A, VCC = 12 V, RT = 22 kΩ, CT = 270 pF, (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Multiplier IMOUT, high line, low power output current, (0 °C to 85°C) IAC = 500 µA, VFF = 4.7 V, VAOUT = 1.25 V 0 −6 −20 IMOUT, high line, low power output current, (−40 °C to 85°C) IAC = 500 µA, VFF = 4.7 V, VAOUT = 1.25 V 0 −23 IMOUT, high line, high power output current IAC = 500 µA, VFF = 4.7 V, VAOUT = 5 V −70 −90 −105 µA IMOUT, low line, low power output current IAC = 150 µA, VFF = 1.4 V, VAOUT = 1.25 V −10 −19 −50 µA IMOUT, low line, high power output current IAC = 150 µA, VFF = 1.4 V, VAOUT = 5 V −268 −300 −346 IMOUT, IAC limited IAC = 150 µA, VFF = 1.3 V, VAOUT = 5 V −250 −300 −400 Gain constant (K) IAC = 300 µA, VFF = 3 V, VAOUT = 2.5 V 0.5 1 1.5 1/V IMOUT, zero current IAC = 150 µA, VFF = 1.4 V, VAOUT = 0.25 V 0 −2 IMOUT, zero current IAC = 500 µA, VFF = 4.7 V, VAOUT = 0.25 V 0 −2 A IMOUT, zero current, (0°C to 85°C) IAC = 500 µA, VFF = 4.7 V, VAOUT = 0.5 V 0 −3 µA IMOUT, zero current, (−40°C to 85°C) IAC = 500 µA, VFF = 4.7 V, VAOUT = 0.5 V 0 −3.5 Power limit (IMOUT x VFF) IAC = 150 µA, VFF = 1.4 V, VAOUT = 5 V −375 −420 −485 µW Feed-Forward VFF output current IAC = 300 µA −140 −150 −160 µA Gate Driver Pullup resistance IO = –100 mA to −200 mA 9 12 Ω Pulldown resistance IO = 100 mA 4 10 Ω Output rise time CL = 1 nF, RL = 10 Ω, VDRVOUT = 0.7 V to 9 V 25 50 ns Output fall time CL = 1 nF, RL = 10 Ω, VDRVOUT = 9 V to 0.7 V 10 50 ns Maximum duty cycle 93% 95% 100% Minimum controlled duty cycle At 100 kHz 2% Zero Power Zero power comparator threshold Measured on VAOUT 0.20 0.33 0.50 V NOTES: (1) Ensured by design, Not production tested. (2) Reference variation for VCC < 10.8 V is shown in Figure 2. |
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