MLX10803_06 Datasheet, PDF (4/25 Pages) List of Unclassifed Manufacturers – High power LED driver

IC specification MLX10803
High power LED driver
1. Typical application data
1.1. LED driver applications
1.1.1. Principle complete schematic LED driver diagram
VBAT
Cap for EMC directly
on the connector
100nF...1uF
VS/PWM
100nF
VREF_SET
GND
Cnoise
VREF
ROSC
IREF1
IREF2
NTC
VS/PWM
DRVGATE
GND
RSENSE
Figure 1:
Application with PWM dimming via VS/PWM pin. Amplitude of LED’s current is set
by an analogue voltage on input VREF_SET. Temperature regulation of LED’s current is realized by
external resistors on pins IREF1 and IREF2
1.1.2. Principle minimum schematic LED driver diagram
Vsup
VREF
ROSC
IREF1
IREF2
VS/PWM
DRVGATE
GND
RSENSE
GND
Figure 2: Minimum application without temperature and external EMC protection
3901010803
Rev 024
Page 4/25
Data Sheet
7/DEC/06