Datasheet

MAX6970
8-Port, 36V Constant-Current LED Driver
_______________________________________________________________________________________ 7
Figure 2. 4-Wire Serial-Interface Timing Diagram
.
D7 D6
t
DS
t
DH
t
CL
t
CP
t
DO
t
OEW
t
OEL
t
f
t
r
t
OEH
t
LS
t
LW
t
CH
D1 D0
D7
LE
CLK
DIN
DOUT
OE
OUT_
80%
20%
SERIAL-TO-PARALLEL SHIFT REGISTER
LATCHES
OUT0
OUT1
OUT2
DOUTDIN
CLK
OUT7
CONSTANT-CURRENT SINKS
OUT5
OUT6
POWER-ON
RESET
V+
CURRENT
REFERENCE
V+
OE
GND GND
LE
D0 D7
D0 D7
D0 D7
R
SET
MAX6970
Figure 1. Block Diagram