CAT4134
Typical Applications
The CAT4134 can drive one or two strings of 2 to 3 LEDs
in series resulting in combinations of 2, 3, 4, 6 LEDs.
The resistor ratio R1/R2 sets the maximum VOUT during
an open-LED fault condition and provides the overvoltage
protection.
Figure 17. 2 LED Application
Figure 19. 4 LED Application
For applications with 2 LEDs in series and VOUT MAX at
10 V, the ratio R1/R2 is 7.
For applications with 3 LEDs in series and VOUT MAX at
13.5 V, the ratio R1/R2 is 10.
Figure 18. 3 LED Application
Figure 20. 6 LED Application
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