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MAX16800

Part Number	MAX16800
Manufacturer	Maxim Integrated Products
Description	Adjustable Linear High-Brightness LED (HB LED) Driver
Published	Apr 28, 2010
Detailed Description	19-3803; Rev 1; 4/09 www.DataSheet4U.com High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver Ge...
Datasheet	MAX16800 PDF File

Overview

19-3803; Rev 1; 4/09 www.
DataSheet4U.
com High-Voltage, 350mA, Adjustable Linear High-Brightness LED (HB LED) Driver General Description The MAX16800 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.
The output current of the MAX16800 is adjusted by using an external current-sense resistor in series with the LEDs.
An enable input allows wide-range “pulsed” dimming.
Wave-shaping circuitry reduces EMI.
The differential current-sense input increases noise immunity.
The MAX16800 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 MAX16800 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.
♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ Features +6.
5V to +40V Operating Range Adjustable Level (35mA to 350mA) ±3.
5% Output Current Accuracy Integrated Pass Element with Low-Dropout Voltage (0.
5V typ) Output Short-Circuit Protection +5V Regulated Output with 4mA Source Capability Thermal Shutdown Differential LED Current Sense High-Voltage Enable Pin for Dimming Interface Low Shutdown Supply Current (12μA typ) Low 204mV Current-Sense Reference Reduces Power Losses Wave-Shaped Soft Edges Reduce Radiated EMI During PWM Dimming Available in Small, Thermally Enhanced, 5mm x 5mm, 16-Pin TQFN Package -40°C to +125°C Operating Temperature Range MAX16800 Applications Automotive Interior: Map, Courtesy, and Cluster Lighting Automotive Exterior: Tail Lights and CHMSL Warning Lights for Emergency Vehicles Navigation and Marine Indicators General Illumination Signage, Gasoline Canopies, Beacons Ordering Information PART MAX16800ATE+ MAX16800ATE/V+ TEM...

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