MAX16835 Maxim Integrated Products, MAX16835 Datasheet

MAX16835

Manufacturer Part Number

MAX16835

Description

Adjustable Linear High-Brightness LED Driver

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX16835.pdf (8 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX16835ATE+

Manufacturer:

Maxim Integrated Products

Quantity:

135

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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 compo-

nents 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.

19-4028; Rev 1; 5/08

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

TOP VIEW

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

N.C.

OUT

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Maxim Integrated Products

High-Voltage, 350mA, Adjustable Linear

General Description

MAX16835

Pin Configuration

TQFN

Applications

N.C.

High-Brightness LED Driver

o +6.5V to +40V Operating Range

o Adjustable LED Current (35mA to 350mA)

o ±3.5% Output Current Accuracy

o Integrated Pass Element with Low-Dropout

o Output Short-Circuit Protection

o +5V Regulated Output with 4mA Source

o Thermal Shutdown

o Differential LED Current Sense

o High-Voltage Enable Pin for Dimming Interface

o Low Shutdown Supply Current (35µA typ)

o Low 200mV Current-Sense Reference Reduces

o Wave-Shaped Edges Reduce Radiated EMI During

o Available in Small, Thermally Enhanced,

o -40°C to +125°C Operating Temperature Range

+ Denotes a lead-free package.

* EP = Exposed pad.

MAX16835ATE+

Voltage (0.55V typ)

Capability

Power Losses

PWM Dimming

5mm x 5mm, 16-Pin TQFN Package

PWM DIMMING

0.1μF

+6.5V TO +40V

PART

-40°C to +125°C

TEMP RANGE

MAX16835

Ordering Information

GND

Simplified Diagram

OUT

CS+

CS-

+5V REG

PIN-PACKAGE

16 TQFN-EP*

Features

0.1μF

LEDs

SENSE

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