DD313-4 Datasheet, PDF (7/15 Pages) Silicon Touch Technology Inc. – LED open circuit detection

Timing Diagram
t_D, t_R and t_F
Input
Output
t_D
Figure 3. Output timing
50%
90%
50%
10%
t_R or t_D
DD313-4
Pin Description
PIN NAME
I/O
DESCRIPTIONS
IOUT
O
Low output voltage constant current sink output
VCC
-
Supply voltage
REXT
I/O
A resistor between REXT and GND sets maximum current
PWM IN
I
PWM input
GND
ALARM OUT
-
Ground
O
Open drain output for reporting LED open circuit and driver thermal
issue
40V Adjustable Current Sink Linear LED Driver
Version:PRE.002
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