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UCC28230 Datasheet(PDF) 5 Page - Texas Instruments |
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UCC28230 Datasheet(HTML) 5 Page - Texas Instruments |
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www.ti.com UCC28230 UCC28231 SLUS814 – FEBRUARY 2008 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNITS Current Sense, Cycle-by-Cycle Current Limit With Hiccup, Short Circuit Protection With Latch OFF VCS_LIM CS pin cycle-by-cycle threshold 0.485 0.5 0.515 V Propagation delay from CS to O1_D and TCS Input pulse at CS from zero to 0.6 V 25 ns O2_D outputs Discharge current to set cycle-by-cycle IDS CS = 0.6 V, VSS = 4 V 15 20 25 µA current limit duration Hiccup OFF time threshold 3.1 3.4 3.7 V Discharge current to set hiccup mode OFF IHCC 1.9 2.5 3.1 µA time VCS_SC CS pin short circuit protection threshold 0.65 0.7 0.75 V Outputs O1_D, O2_D, O1_DIN, O2_DIN Sink/source peak current 0.2 A Rise time CLOAD = 100 pF 8 20 ns Fall time CLOAD = 100 pF 4 20 RSRC Output source resistance IOUT = 20 mA 15 20 30 Ω RSINK Output sink resistance IOUT = 20 mA 5 10 25 Pins 7 and 9 pulses matching at FSW = 100 Duty cycle matching 35 ns kHz Thermal Shutdown Rising threshold 150 160 170 Falling threshold 130 140 150 °C Hysteresis 20 Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): UCC28230 UCC28231 |
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