Rainbow-electronics MAX6983 Manual de usuario descargar pdf (Pagina 3)

MAX6983

16-Port, 36V Constant-Current LED Driver with

LED Fault Detection and Watchdog

_______________________________________________________________________________________ 3

5V TIMING CHARACTERISTICS

(Typical Operating Circuit, V+ = 4.5V to 5.5V, T

= T

MIN

to T

MAX

, unless otherwise noted.) (Notes 1, 2)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

CLK_ Clock Period t

40 ns

CLK_ Pulse-Width High t

19 ns

CLK_ Pulse-Width Low t

19 ns

DIN_ Setup Time t

4ns

DIN_ Hold Time t

8ns

DOUT_ Propagation Delay t

12 32 ns

DOUT_ Rise and Fall Time C

DOUT

= 10pF, 20% to 80% 10 ns

LE Setup Time t

10 ns

LE Rising to OUT_ Rising Delay t

LRR

(Note 3) 100 ns

LE Rising to OUT_ Falling Delay t

LRF

(Note 3) 300 ns

CLK_ Rising to OUT_ Rising

Delay

CRR

(Note 3) 100 ns

CLK_ Rising to OUT_ Falling

Delay

CRF

(Note 3) 310 ns

OE_ Rising to OUT_ Rising Delay t

OEH

(Note 3) 100 ns

OE_ Falling to OUT_ Falling Delay t

OEL

(Note 3) 320 ns

LED Output OUT_ Turn-On Fall

Time

80% to 20%; pullup resistor = 65Ω (Note 3) 120 ns

LED Output OUT_ Turn-Off Rise

Time

20% to 80%; pullup resistor = 65Ω (Note 3) 120 ns

1 2 3 4 5 6 7 8 ... 11 12

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Rainbow-electronics MAX6983 Manual de usuario Pagina 3

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