High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator
Smallest, High-Voltage, 350mA High-Brightness LED Driver Simplifies LED Lighting Applications, Minimizes External Part Counts, and Saves Cost and Space
The MAX16803 current regulator operates from a 6.5V to 40V input-voltage range and delivers up to a total of 350mA to one or more strings of high-brightness LEDs (HB LEDs). The output current of the MAX16803 is adjusted by using an external current-sense resistor in series with the LEDs. A dimming input allows widerange "pulsed" PWM operation. Wave-shaping circuitry reduces EMI. The differential current-sense input increases noise immunity. The MAX16803 is well suited for applications requiring high-voltage input and is able to withstand automotive load-dump events up to 40V. An on-board pass element minimizes external components while providing ±3.5% output-current accuracy. Additional features include a 5V regulated output and short-circuit and thermal protection.
The MAX16803 is available in a thermally enhanced, 5mm x 5mm, 16-pin TQFN package and is specified over the automotive -40°C to +125°C temperature range.
The MAX16836 is a newer and more cost effective product; except for different PWM dimming current slew rates, it provides the same performance and is pin-to-pin compatible with the MAX16803.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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MAX16803
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TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX16803ATE/V+T
Active
Land Pattern: Not Available
-40°C to +125°C
See data sheet
MAX16803ATE/V+
Active
TQFN;16 pin;26 mm²
Outline Drawing: 21-0140 (PDF)
Land Pattern: 90-0073 (PDF)
Use pkgcode/variation: T1655+3*
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