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ZLED7020 Datasheet(PDF) 6 Page - Integrated Device Technology |
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ZLED7020 Datasheet(HTML) 6 Page - Integrated Device Technology |
6 / 27 page ZLED7x20 Datasheet © 2016 Integrated Device Technology, Inc. 6 April 20, 2016 1.3 Electrical Parameters Test conditions for the following specifications are Tamb = 25°C typical and VIN = 12V unless otherwise noted. Production testing of the chip is performed at 25°C unless otherwise stated. Functional operation of the chip and specified parameters at other temperatures are guaranteed by design, characterization, and process control. No. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT 1.3.1 Quiescent supply current IINQoff Output off—ADJ pin grounded 90 120 160 μA IINQon Output switching—ADJ pin floating 450 600 μA 1.3.2 Mean current sense threshold voltage VSENSE 97 100 103 mV 1.3.3 Sense threshold hysteresis VSENSEHYS ±15 % 1.3.4 ISENSE pin input current ISENSE VSENSE = VIN -0.1V 8 μA 1.3.5 Internal reference voltage measured at ADJ pin VREF ADJ pin floating 1.2 V 1.3.6 Resistance between VREF and ADJ pin RADJ 500 KΩ 1.3.7 External DC brightness control voltage on ADJ pin VADJ 0.3 1.2 V 1.3.8 DC on-off control voltage on ADJ pin for switching ZLED7x20 from active state to quiescent state VADJoff VADJ falling 0.15 0.2 0.25 V 1.3.9 DC off-on control voltage on ADJ pin for switching ZLED7x20 from quiescent state to active state VADJon VADJ rising 0.2 0.25 0.3 V 1.3.10 LX switch continuous current ILXmean_0 ZLED7020 1.2 A ILXmean_3 ZLED7320 1.0 A ILXmean_5 ZLED7520 0.75 A ILXmean_7 ZLED7720 0.35 A 1.3.11 LX switch leakage current ILX(leak) 1 μA 1.3.12 LX switch on resistance RLX 0.27 0.4 Ω 1.3.13 Minimum switch on time tONmin LX switch on 200 ns 1.3.14 Minimum switch off time tOFFmin LX switch off 200 ns 1.3.15 Dimming rate DDIM 1 LED, f =100Hz, Vin=15V, L1 = 27 μH 1200:1 |
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