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MAX16823ATE+ Datasheet(PDF) 10 Page - Maxim Integrated Products |
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MAX16823ATE+ Datasheet(HTML) 10 Page - Maxim Integrated Products |
10 / 12 page High-Voltage, 3-Channel Linear High-Brightness LED Driver with Open LED Detection 10 ______________________________________________________________________________________ Preload Current Figure 6 shows the MAX16823 with a preload circuit. In the circuit, the BJT, RPRELOAD, and REG generate a preset load current. The preset load current IPRESET is determined with the following formula: This circuit is used with older body controllers that monitor minimum RCL current to detect failures. I VV R PRESET REG PRELOAD = − 07 . IN DIM_ GND RCS_ LEDs Q1 CIN VIN OUT_ CS_ MAX16823 REG C2 PWM DIMMING Figure 5. Increased LED Current (Amper Range) with a Single BJT RCS1 RCS2 RCS3 OUT3 CS1 CS2 CS3 GND DIM2 DIM1 STOP TAIL IN IN IN CIN RPRELOAD CLGC CREG LGC DIM3 REG OUT2 OUT1 MAX16823 TAIL TAIL STOP 100k Ω 100k Ω Figure 6. Preload Current Setting |
Similar Part No. - MAX16823ATE+ |
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Similar Description - MAX16823ATE+ |
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