поискавой системы для электроныых деталей |
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UC2626 датащи(PDF) 5 Page - Texas Instruments |
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UC2626 датащи(HTML) 5 Page - Texas Instruments |
5 / 23 page UCC2626, UCC3626 SLUS318B – APRIL 1999 – REVISED JANUARY 2002 5 www.ti.com electrical characteristics over recommended operating conditions, VCC = 12 V; CT = 1 nF, R_TACH = 250 k Ω, C_TACH = 100 pF, TA = TJ, TA = –40°C to 85°C for the UCC2626, and 0°C to 70°C for the UCC3626 (unless otherwise noted) hall buffer inputs PARAMETER TEST CONDITIONS MIN TYP MAX UNIT High-level input voltage HALLA, HALLB, HALLC 1.7 1.9 2.1 V Hysteresis HALLA, HALLB, HALLC 0.6 1.0 V Input current 0V < VIN < 5 V –25 µA oscillator PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Frequency RTACH = 250 kΩ, CT = 1nF 9.0 10.0 11.0 kHz Frequency change with voltage 12 V < VCC < 14.5 V 3% CT peak voltage 7.25 7.5 7.75 V CT peak-to-valley voltage 4.75 5.0 5.25 V SYNCH pin minimum pulse width 500 ns tachometer PARAMETER TEST CONDITIONS MIN TYP MAX UNIT High-level output voltage/VREF IOUT = –10 µA 99% 100% Low-level output voltage IOUT = 10 µA 0 20 mV High-level on-resistance IOUT = –100 µA 1 1.5 k Ω Low-level on-resistance IOUT = 100 µA 1 1.5 k Ω High-level ramp threshold voltage 2.5 V Ramp voltage 2.375 2.500 2.625 V CTACH charge current RTACH = 49.9 kΩ 48 51 53 µA On time accuracy UCC3626 See Note 1 –3% 3% On-time accuracy UCC2626 See Note 1 –4% 3% direction output PARAMETER TEST CONDITIONS MIN TYP MAX UNIT High-level output voltage IOUT = –100 µA 4.5 5.2 V Low-level output voltage IOUT = 100 µA 0 0.5 V output PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Maximum duty cycle 100% Lo le el o tp t oltage IOUT = 2 mA 0.0 0.1 0.5 V Low-level output voltage IOUT = 100 µA 0.0 0.1 V High level output voltage IOUT = –2 mA 4.0 4.8 5.2 V High-level output voltage IOUT = –100 µA 4.7 5.2 V Rise and fall time CI = 10 pF 100 ns NOTE 1: tON is calculated using the formula tON + C TACH V HI * VLO I CHARGE |
Аналогичный номер детали - UC2626 |
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Аналогичное описание - UC2626 |
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