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MAX16808AUI+ Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX16808AUI+ Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 21 page Integrated 8-Channel LED Drivers with Switch-Mode Boost and SEPIC Controller 6 _______________________________________________________________________________________ 3.3V TIMING CHARACTERISTICS (V+ = +3V to < +4.5V, AGND = PGND = 0V; all voltages are measured with respect to PGND, unless otherwise noted. TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 5) PARAMETERS SYMBOL CONDITIONS MIN TYP MAX UNITS INTERFACE TIMING CHARACTERISTICS CLK Clock Period tCP 52 ns CLK Pulse-Width High tCH 24 ns CLK Pulse-Width Low tCL 24 ns DIN Setup Time tDS 4ns DIN Hold Time tDH 8ns DOUT Propagation Delay tDO 12 70 ns DOUT Rise Time tDR CDOUT = 10pF, 20% to 80% 12 ns DOUT Fall Time tDF CDOUT = 10pF, 80% to 20% 12 ns LE Pulse-Width High tLW 20 ns LE Setup Time tLS 15 ns LE Rising to OUT_ Rising Delay tLRR (Note 6) 140 ns LE Rising to OUT_ Falling Delay tLRF (Note 6) 350 ns CLK Rising to OUT_ Rising Delay tCRR (Note 6) 140 ns CLK Rising to OUT_ Falling Delay tCRF (Note 6) 350 ns OE Rising to OUT_ Rising Delay tOER (Note 6) 140 ns OE Falling to OUT_ Falling Delay tOEF (Note 6) 350 ns OUT_ Turn-On Fall Time tF 80% to 20% (Note 6) 275 ns OUT_ Turn-Off Rise Time tR 20% to 80% (Note 6) 150 ns Note 1: All devices are 100% production tested at TJ = +25°C and +125°C. Limits to -40°C are guaranteed by design. Note 2: Guaranteed by design, not production tested. Note 3: Parameter is measured at trip point of latch with VFB = 0V. Note 4: Gain is defined as A = ΔVCOMP / ΔVCS, 0.05V ≤ VCS ≤ 0.25V. Note 5: See Figures 3 and 4. Note 6: A 65Ω pullup resistor is connected from OUT_ to 5.5V. Rising refers to VOUT_ when current through OUT_ is turned off and falling refers to VOUT_ when current through OUT_ is turned on. |
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