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SSL3401HN Datasheet(PDF) 21 Page - NXP Semiconductors |
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SSL3401HN Datasheet(HTML) 21 Page - NXP Semiconductors |
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21 / 29 page  SSL3401HN All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved. Product data sheet Rev. 2 — 28 January 2014 21 of 29 NXP Semiconductors SSL3401HN Low voltage dimmable controller for LED lighting [1] CL = 10 pF; results from measurements on silicon samples over process corners and over the full temperature range Tamb = 40 Cto+85 C. [2] Input hysteresis is relative to the reference input channel. Dynamic characteristics tPD propagation delay HIGH to LOW; VDD(3V3) =3.0 V [1] VIC = 0.1 V; 50 mV overdrive input - 129 140 ns VIC = 1.5 V; 50 mV overdrive input [1] -112 130 ns VIC = 2.9 V; 50 mV overdrive input [1] - 151 170 ns LOW to HIGH; VDD(3V3) = 3.0 V; [1] VIC = 0.1 V; 50 mV overdrive input - 232 240 ns VIC = 1.5 V; 50 mV overdrive input [1] - 210 230 ns VIC = 2.9 V; 50 mV overdrive input [1] - 166 190 ns Vhys hysteresis voltage comparator; positive hysteresis; VACMPx =1.5 V [2] Pin HYSTSET set HIGH or not connected -20 - mV Pin HYSTSET set LOW - 10 - mV comparator; negative hysteresis; VACMPx =1.5 V Pin HYSTSET set HIGH or not connected - 20 - mV Pin HYSTSET set LOW - 10 - mV Table 13. Comparator characteristics …continued VDD(3V3)= 3.0 V and Tamb = 25 C unless noted otherwise. Symbol Parameter Conditions Min Typ Max Unit Table 14. Protection characteristics VDD(3V3)= 3.0 V and Tamb = 25 C unless noted otherwise. Symbol Parameter Conditions Min Typ Max Unit Ilim(L)M peak inductor current limit 240 m coil current sensing resistor; latching current disabled -1.7 - A Vth(scp)LED LED short-circuit protection threshold voltage pin FB 1.8 V tprot(sc)LED LED short-circuit protection time voltage at pin FB continuously exceeding Vth(sledp); 50 Hz AC supply - 500 - ms Vth(ovp) overvoltage protection threshold voltage pin OVP - 1.9 - V Vovp(hys) overvoltage protection voltage hysteresis pin OVP 0.55 V Tact(th_fold) thermal foldback activation temperature die junction temperature - 105 - C Tth(otp) overtemperature protection threshold temperature die junction temperature - 125 - C |
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