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34652 датащи(PDF) 9 Page - Freescale Semiconductor, Inc |
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34652 датащи(HTML) 9 Page - Freescale Semiconductor, Inc |
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9 / 26 page ![]() Analog Integrated Circuit Device Data Freescale Semiconductor 9 34652 ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS Table 4. Dynamic Electrical Characteristics Characteristics noted under conditions 15 V ≤ VPWR ≤ 80 V and -40°C ≤ TA ≤ 85°C. All voltages are referenced to VIN unless otherwise noted. Characteristic Symbol Min Typ Max Unit UNDERVOLTAGE CONTROL UV Active to Gate Low Filter Time tUVAL — 1.0 — ms OVERVOLTAGE CONTROL OV Active to Gate Low Filter Time tOVAL — 1.0 — ms DISABLE INPUT CONTROL PIN (DISABLE) (14) DISABLE Active to Gate Low Filter Time tDISAL — 1.0 — ms CURRENT LIMIT CONTROL PINS (ILIM, ICHG) Short Circuit Protection Delay tSCPD — — 10 µs Overcurrent Limit Filter Time tOCFT — 100 — µs Overcurrent Limit Regulation Time tOC — 3.0 — ms ICHG Rise Time Default Adjustable with an External Capacitor tICHGR — 1.0 1.0 — — — ms POWER GOOD OUTPUT PINS (PG, PG) (15) Power Good Output Delay Time, from Power MOSFET Enhancement to PG and PG Asserted tPG 10 28 46 ms START-UP AND RETRY DELAY TIMER (TIMER) Start-Up and Retry Delay Timer Default Maximum with External Resistor Minimum with External Resistor tTIMER 130 — — 200 1000 100 270 — — ms Notes 14. Referenced to VPWR. 15. Referenced to VIN. |
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