поискавой системы для электроныых деталей |
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TLC555QDRQ1 датащи(PDF) 10 Page - Texas Instruments |
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TLC555QDRQ1 датащи(HTML) 10 Page - Texas Instruments |
10 / 13 page www.ti.com t c(H) + C T (R A ) R B ) In 3 –exp –t PLH C T (R B ) ron) ) tPHL t c(L) + C T (R B ) ron) In 3 –exp –t PHL C T (R A ) R B ) ) tPLH can be substituted with good results. Duty cycles less than 50% t c(H) t c(H) ) t c(L) require that t c(H) t c(L) < 1 and TLC555-Q1 LinCMOS™ TIMER SLFS078 – OCTOBER 2006 APPLICATION INFORMATION (continued) The following equations provide better agreement with measured values. These equations and those given previously are similar in that a time constant is multiplied by the logarithm of a number or function. The limit values of the logarithmic terms must be between In 2 at low frequencies and In 3 at extremely high frequencies. For a duty cycle close to 50%, an appropriate constant for the logarithmic terms possibly RA ≤ ron. These conditions can be difficult to obtain. In monostable applications, the trip point on TRIG can be set by a voltage applied to CONT. An input voltage between 10% and 80% of the supply voltage from a resistor divider with at least 500- µA bias provides good results. 10 Submit Documentation Feedback |
Аналогичный номер детали - TLC555QDRQ1 |
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Аналогичное описание - TLC555QDRQ1 |
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