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MAX16823 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX16823 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 12 page  General Description The MAX16823 three-channel LED driver operates from a 5.5V to 40V input voltage range and delivers up to 100mA per channel to one or more strings of high- brightness LEDs (HB LEDs). Each channel’s current is programmable using an external current-sense resistor in series with the LEDs. Three DIM inputs allow a wide range of independent pulsed dimming in addition to providing the on and off control of the outputs. Wave- shaping circuitry reduces EMI while providing fast turn-on and turn-off times. The MAX16823 is well suited for automotive applications requiring a high-voltage input and is able to withstand load-dump events up to 45V. On-board pass elements minimize external components while providing ±5% LED current accuracy. Additional features include an active-high, open-drain LEDGOOD output for open LED detection, a +3.4V (±5%) regulated output with 4mA output current capability, short-circuit and thermal protections. The MAX16823 is available in thermally enhanced 5mm x 5mm, 16-pin TQFN-EP and 16–pin TSSOP-EP packages and is specified over the -40°C to +125°C automotive temperature range. Applications ● Automotive Exterior: Rear Combination Lights (RCLs), CHMSL ● Automotive Interior: RGB Ambient Lighting, Cluster Lighting, and LCD Backlighting ● Emergency Vehicle Warning Lights ● Navigation and Marine Indicators ● Architectural and Industrial Lighting Features ● 5.5V to 40V Operating Range ● Adjustable Constant Output Current (5mA to 100mA and Up to 2A with External BJT) ● ±5% Output Current Accuracy ● Open LED Detection ● Three Independent High-Voltage DIM Inputs ● Three Integrated Pass Elements with Low Dropout Voltage (0.7V max) ● Undervoltage Lockout ● Output Short-Circuit Protection ● 3.4V Voltage Regulator with 4mA Capability ● Accurate, Low 203mV Current Sense ● Overtemperature Shutdown ● -40°C to +125°C Operating Temperature Range 19-0733; Rev 4; 8/15 Ordering Information appears at end of data sheet. MAX16823 High-Voltage, 3-Channel Linear High-Brightness LED Driver with Open LED Detection Typical Operating Circuit CS1 CS2 CS3 OUT3 CS1 CS2 CS3 GND LEDGOOD DIM2 DIM1 VIN CIN IN IN IN RLEDGOOD CLGC REG CREG LGC DIM3 REG OUT2 OUT1 MAX16823 EVALUATION KIT AVAILABLE |
Similar Part No. - MAX16823_15 |
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Similar Description - MAX16823_15 |
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