
16-Port, 36V Constant-Current LED Driver with
LED Fault Detection and Watchdog
Selector Guide
PART
NUMBER OF
OUTPUTS
MAX OUTPUT
VOLTAGE (V)
MAX OUTPUT
CURRENT
LED FAULT
DETECTION
WATCHDOG
MAX6968
—
—
MAX6977
MAX6978
MAX6970*
8
5.5
Yes
Yes
—
—
Yes
—
MAX6981*
MAX6980*
MAX6969
MAX6979
MAX6971
MAX6983
8
16
16
36
5.5
36
55mA
Yes
Yes
—
Yes
—
Yes
—
Yes
—
Yes
—
Yes
* Future product—contact factory for availability.
Typical Application Circuit
+ 28V
+5V
μ C
V+
MAX6983
OUT0
SCLK
MOSI
MISO
LOAD
ENABLE
CLK
DIN
DOUT
LATCH
OE
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
360
SET
GND
OUT11
OUT12
OUT13
OUT14
OUT15
0V
0V
PROCESS: BiCMOS
Chip Information
10
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