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UC2849DW Fiches technique(PDF) 5 Page - Texas Instruments |
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UC2849DW Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 21 page www.ti.com UC2849 UC3849 SLUS360C – JULY 1995 – REVISED AUGUST 2007 ELECTRICAL CHARACTERISTICS (continued) Unless otherwise stated these specifications apply for TA = –40°C to 85°C for UC2849; and 0°C to 70°C for UC3849; VCC = 12 V, VEE = GND, Output no load, CT = 345 pF, RT = 4530Ω, RDEAD = 511Ω, RCLKSYN = 1 kΩ, TA = TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VCC Comparator Turn-on threshold 7.9 8.3 9.5 V Hysteresis 0.4 KILL Comparator Voltage threshold 3 V Sequence Comparator Voltage threshold 2.5 V SEQ SAT 0.25 ENABLE Comparator Voltage threshold 2.5 V RUN SAT 0.25 Reference TA = 25°C 4.95 5 5.05 VREF V VCC = 15 V 4.9 5.1 Line regulation 10 < VCC < 20 3 15 mV Load regulation 0 < IO < 10 mA 3 15 Short circuit I VREF = 0 V 30 60 90 mA Output Stage Rise time CL = 100 pF 10 20 ns Fall time CL = 100 pF 10 20 VCC > 11 V, IO = –10 mA 8.0 8.4 8.8 VOH IO = –200 mA 7.8 V IO = 200 mA 3.0 VOL IO = 10 mA 0.5 Virtual Ground VEE is externally supplied, GND is floating and used as VGND-VEE 0.2 0.75 V signal GND Icc Icc (run) 21 33 mA 5 Submit Documentation Feedback |
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