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AM1808AZCED3 데이터시트(PDF) 237 Page - Texas Instruments |
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AM1808AZCED3 데이터시트(HTML) 237 Page - Texas Instruments |
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237 / 264 page ![]() AM1808 www.ti.com SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010 6.29.1 Enhanced Pulse Width Modulator (eHRPWM) Timing PWM refers to PWM outputs on eHRPWM1-6. Table 6-126 shows the PWM timing requirements and Table 6-127, switching characteristics. Table 6-126. Timing Requirements for eHRPWM PARAMETER TEST CONDITIONS 1.3V, 1.2V, 1.1V, 1.0V UNIT MIN MAX tw(SYNCIN) Sync input pulse width Asynchronous 2tc(SCO) cycles Synchronous 2tc(SCO) cycles Table 6-127. Switching Characteristics Over Recommended Operating Conditions for eHRPWM PARAMETER TEST 1.3V, 1.2V 1.1V 1.0V UNIT CONDITIONS MIN MAX MIN MAX MIN MAX tw(PWM) Pulse duration, PWMx output ns 20 20 26.6 high/low tw(SYNCOUT) Sync output pulse width 8tc(SCO) 8tc(SCO) 8tc(SCO) cycles td(PWM)TZA Delay time, trip input active to no pin load; no ns PWM forced high additional 25 25 25 Delay time, trip input active to programmable PWM forced low delay td(TZ-PWM)HZ Delay time, trip input active to no additional ns PWM Hi-Z programmable 20 20 20 delay Copyright © 2010, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 237 Submit Documentation Feedback Product Folder Link(s): AM1808 |
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