MAX16838 MAX16838AUP LED Lighting Drivers IC

Details

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FEATURES

Integrated, 2-Channel, 20mA to 150mA Linear LED Current Sinks

Boost or SEPIC Power Topologies for Maximum Flexibility

Adaptive Voltage Optimization to Minimize Power Dissipation in Linear Current Sinks

4.75V to 40V or 5V ±10% Input Operating Voltage Range

5000:1 PWM Dimming at 200Hz

Open-Drain Fault Indicator Output

LED Open/Short Detection and Protection

Output Overvoltage and Overtemperature Protection

Programmable LED Current Foldback at Lower Input Voltages

200kHz to 2MHz Resistor Programmable

Switching Frequency with External

Synchronization

Current-Mode Control Switching Stage with Internal Slope Compensation

Enable Input

Thermally Enhanced, 20-Pin TQFN (4mm x 4mm)and 20-Pin TSSOP Packages

The MAX16838 includes an output overvoltage protection,open LED, shorted LED detection and overtemperature protection. The device operates over the -40NC to +125NC automotive temperature range. The MAX16838 is available in the 20-pin TSSOP and 4mm x 4mm, 20-pin TQFN packages.