16-Port, 36V Constant-Current LED Driver with
LED Fault Detection and Watchdog
PART
NUMBER OF
OUTPUTS
MAX OUTPUT
VOLTAGE (V)
MAX6968
MAX6977
8
5.5
MAX6978
MAX6970*
MAX6981*
8
36
MAX6980*
MAX6969
16
5.5
MAX6979
MAX6971
16
36
MAX6983
*Future product—contact factory for availability.
MAX OUTPUT
CURRENT
55mA
Selector Guide
LED FAULT
DETECTION
—
Yes
Yes
—
Yes
Yes
—
Yes
—
Yes
WATCHDOG
—
—
Yes
—
—
Yes
—
Yes
—
Yes
Typical Application Circuit
28V
+5V
µC
SCLK
MOSI
MISO
LOAD
ENABLE
360Ω
0V
MAX6983
V+
OUT0
CLK
OUT1
OUT2
DIN
OUT3
OUT4
DOUT
OUT5
OUT6
LATCH
OUT7
OUT8
OE
OUT9
OUT10
OUT11
SET
OUT12
OUT13
GND
OUT14
OUT15
PROCESS: BiCMOS
Chip Information
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