MLX10803
MLX10803 is Automotive high power LED driver manufactured by Melexis.
Features
VREF 1 2 3 4 8 VS/PWM
General
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- Low cost power LED driver for external n-channel MOSFET switching transistor 6V to 32V DC input range Applications from m A to several Ampere LED current Possible temperature dependent regulation using external Negative Temperature Coefficient (NTC) resistor Small package allows pact module design with minimised wire runs and short connections to achieve improved EMC performance Built-in randomizer for improved EMC performance High temperature operation capable Load dump protected to 80V
ROSC IREF1 IREF2
10803 (SO8)
7 DRVGATE 6 GND
5 RSENSE
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- LED driver
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- - High energy efficiency PWM dimming via VS/PWM pin Light output has minimized dependency on supply and temperature variations LED regulation parameters set with external resistors
Ordering Information
Part Nr
Temperature Code
K (-40°C to 125°C)
Package Code
DC (SOIC8)
General Description
The MLX10803 is a multi-purpose LED driver for high power LEDs designed for automotive applications. Numerous adjustment possibilities allow for the design of different LED applications using only a few external ponents. The circuit is load dump protected for a 80V load dump pulse.
3901010803 Author: ALX, VAR
Page 1/25 revised: TFR/VAR
Rev 018
28/SEP/05
Free Datasheet http://../
IC specification Automotive high power LED driver
Table of contents
Features
………………………………………………………………………………………. 1 Ordering Information…………………………………………………………………… 1 General Description
………………………………………………………………………….. 1 Block diagram………………………………………………………………………………… 2 1. Typical application data…………………………………………………………….. 4 1.1. LED driver applications…………………………………………………………. 4
1.1.1. 1.1.2. 1.1.3. 1.1.4. Principle plete schematic LED driver diagram…………………………………4 Principle minimum schematic LED driver diagram…………………………………4 Principle soft start up LED driver diagram…………………………………………..5 LED driver application notes………………………………………………………….5
2. 3. 4. 5....
