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UCC3818DG4 Datasheet(PDF) 3 Page - Texas Instruments |
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UCC3818DG4 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 32 page  UCC2817, UCC2818, UCC3817, UCC3818 BiCMOS POWER FACTOR PREREGULATOR SLUS395J - FEBRUARY 2000 - REVISED MARCH 2009 3 www.ti.com electrical characteristics, TA = 0°C to 70°C for the UCC3817 and TA = −40°C to 85°C for the UCC2817, TA = TJ, VCC = 12 V, RT = 22 kΩ, CT = 270 pF, (unless otherwise noted) supply current section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Supply current, off VCC = (VCC turn-on threshold −0.3 V) 150 300 µA Supply current, on VCC = 12 V, No load on DRVOUT 2 4 6 mA UVLO section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS VCC turn-on threshold (UCCx817) 15.4 16 16.6 V VCC turn-off threshold (UCCx817) 9.4 9.7 V UVLO hysteresis (UCCx817) 5.8 6.3 V Maximum shunt voltage (UCCx817) IVCC = 10 mA 15.4 17 17.5 V VCC turn-on threshold (UCCx818) 9.7 10.2 10.8 V VCC turn-off threshold (UCCx818) 9.4 9.7 V UVLO hysteresis (UCCx818) 0.3 0.5 V voltage amplifier section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input voltage TA = 0°C to 70°C 7.387 7.5 7.613 V Input voltage TA = −40°C to 85°C 7.369 7.5 7.631 V VSENSE bias current VSENSE = VREF, VAOUT = 2.5 V 50 200 nA Open loop gain VAOUT = 2 V to 5 V 50 90 dB High-level output voltage IL = −150 µA 5.3 5.5 5.6 V Low-level output voltage IL = 150 µA 0 50 150 mV over voltage protection and enable section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Over voltage reference VREF +0.48 VREF +0.50 VREF +0.52 V Hysteresis 300 500 600 mV Enable threshold 1.7 1.9 2.1 V Enable hysteresis 0.1 0.2 0.3 V current amplifier section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Input offset voltage VCM = 0 V, VCAOUT = 3 V −3.5 0 2.5 mV Input bias current VCM = 0 V, VCAOUT = 3 V −50 −100 nA Input offset current VCM = 0 V, VCAOUT = 3 V 25 100 nA Open loop gain VCM = 0 V, VCAOUT = 2 V to 5 V 90 dB Common-mode rejection ratio VCM = 0 V to 1.5 V, VCAOUT = 3 V 60 80 dB High-level output voltage IL = −120 µA 5.6 6.5 6.8 V Low-level output voltage IL = 1 mA 0.1 0.2 0.5 V Gain bandwidth product See Note 1 2.5 MHz NOTES: 1. Ensured by design, not production tested. |
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