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UCC2817NG4 Datasheet(PDF) 4 Page - Texas Instruments |
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UCC2817NG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 31 page UCC2817, UCC2818, UCC3817, UCC3818 BiCMOS POWER FACTOR PREREGULATOR SLUS395J - FEBRUARY 2000 - REVISED MARCH 2009 4 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) voltage reference 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 Load regulation IREF = 1 mA to 2 mA 0 10 mV Line regulation VCC = 10.8 V to 15 V, See Note 2 0 10 mV Short-circuit current VREF = 0 V −20 −25 −50 mA NOTES: 2. Reference variation for VCC < 10.8 V is shown in Figure 8. oscillator section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Initial accuracy TA = 25°C 85 100 115 kHz Voltage stability VCC = 10.8 V to 15 V −1 1 % Total variation Line, temp 80 120 kHz Ramp peak voltage 4.5 5 5.5 V Ramp amplitude voltage (peak to peak) 3.5 4 4.5 V peak current limit section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS PKLMT reference voltage −15 15 mV PKLMT propagation delay 150 350 500 ns multiplier section PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 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 µA IMOUT, high line, low power output current, (−40 °C to 85°C) IAC = 500 µA, VFF = 4.7 V, VAOUT = 1.25 V 0 −6 −23 µA 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 −345 µA IMOUT, IAC limited output current IAC = 150 µA, VFF = 1.3 V, VAOUT = 5 V −250 −300 −400 µA 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 µA IMOUT, zero current IAC = 500 µA, VFF = 4.7 V, VAOUT = 0.25 V 0 −2 µA 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 µA Power limit (IMOUT x VFF) IAC = 150 µA, VFF = 1.4 V, VAOUT = 5 V −375 −420 −485 µW |
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