MAX16835ATE+ by Analog Devices

High-Voltage, 350mA, Adjustable Linear High-Brightness LED Driver


The MAX16835 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 MAX16835 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 MAX16835 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 MAX16835 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.

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Prices starting from US$1.97

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Features

+6.5V to +40V Operating Range
Adjustable LED Current (35mA to 350mA)
±3.5% Output Current Accuracy
Integrated Pass Element with Low-Dropout Voltage (0.55V 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 (35µA typ)
Low 200mV Current-Sense Reference Reduces Power Losses
Wave-Shaped 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

Specifications

VIN (V) (min) 6.5
VIN (V) (max) 40
Max. No. of LEDs 10
# LED Channels 1
Regulation Topology Linear
LED Configuration Series
ILED per Channel (A) (max) 0.35
PWM Dimming Freq. (kHz) (max) 1
Dimming Ratio (max) 200
Dimming Control PWM
VDROPOUT (mV) (typ) 550
VCURR_SENSE (mV) 200
POUT (W) 14
ICC (mA) (max) 3
LED String Volt. (V) (max) 38.6
Package/Pins TQFN/16
BudgetaryPrice (See Notes) 1.67


MAX16835ATE+ Semiconductors - ICs by Analog Devices

LED DRIVER LINEAR TQFN-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Device Topology Linear
No. of Outputs 1Outputs
Output Current 350mA
Output Voltage 38.6V
Driver Case Style TQFN
No. of Pins 16Pins
Input Voltage Min 6.5V
Input Voltage Max 40V
Switching Frequency -
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

High-Voltage, 350mA, Adjustabl | Analog Devices
LED DRIVER, LINEAR, TQFN-16 | Farnell

Frequently Asked Questions

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Is the MAX16835ATE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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