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SSL2109T Datasheet(PDF) 12 Page - NXP Semiconductors |
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SSL2109T Datasheet(HTML) 12 Page - NXP Semiconductors |
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12 / 19 page 
SSL2109T All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 2 — 26 April 2012 12 of 19 NXP Semiconductors SSL2109T GreenChip controller for LED lighting [1] The maximum operating voltage at VCC can exceed 14 V when determined by the IC using the dV/dt supply. [2] This parameter is not tested during production, by design it is guaranteed t leb leading edge blanking time difference between tleb for overcurrent protection and short-winding protection 30 50 - ns Vth(swp)SOURCE short-winding protection threshold voltage on pin SOURCE 1.4 1.5 1.6 V Valley detection ( V/t) vrec valley recognition voltage change with time on pin DRAIN 30 20 10 V/ s fring ringing frequency [2] 200 550 1000 kHz V vrec(min) minimum valley recognition voltage difference voltage drop on pin DRAIN 15 20 25 V td(vrec-swon) valley recognition to switch-on delay time - 100 - ns Brownout detection ton(high) high on-time 12.5 15 17.5 s Driver (pin DRIVER) Isource(DRIVER) source current on pin DRIVER 1.5 ms maximum; VDRIVER = 2 V - 0.195 - A Isink(DRIVER) sink current on pin DRIVER 20 s maximum; V DRIVER = 2 V - 0.28 - A 20 s maximum; V DRIVER = 10 V - 0.46 - A Vo(DRIVER)max maximum output voltage on pin DRIVER VCC > VCC(startup) 9 10.5 12 V Vo(DRIVER)min minimum output voltage on pin DRIVER VCC = VCC(stop) 6.5 7.5 8.5 V NTC functionality Vth(high)NTC high threshold voltage on pin NTC 0.47 0.5 0.53 V Vth(low)NTC low threshold voltage on pin NTC 0.325 0.35 0.375 V Vact(tmr)NTC timer activation voltage on pin NTC 0.26 0.3 0.325 V Vdeact(tmr)NTC timer deactivation voltage on pin NTC 0.17 0.2 0.23 V tto(deact)NTC deactivation time-out time on pin NTC 33 46 59 s Ioffset(NTC) offset current on pin NTC - 47 - A OSP tdet(sc) short-circuit detection time 16 20 24 ms toff(high) high off-time 30 36 42 s Temperature protection Tth(act)otp overtemperature protection activation threshold temperature 160 170 180 C Tth(rel)otp overtemperature protection release threshold temperature 90 100 110 C Table 6. Characteristics …continued Symbol Parameter Conditions Min Typ Max Unit |
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