TLD2311EL_15 Datasheet, PDF (31/34 Pages) Marl International Limited – Basic LED Driver

TLD2311EL
Application Information
10
Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
V_BATT
C_{mo d} =2.2 µF
Micro-
controller
(e.g.
XC866)
ISO-Pulse protection circuit
depending on requirements
C_VS =4.7nF
VS
Internal
supply
EN
Thermal
protection
Output
control
OUT3*
IN3
OUT2*
IN2
OUT1*
IN1
RSET/2
RSET/2
IN_SET3
IN_SET2 Current
IN_SET1 ^adjust
BasLicITLIXE^TMDBaDsirciver
Status
ST
OUT3
OUT2
OUT1
4.7nF** 4.7nF** 4.7nF**
GND
* Open Drain
** For EMI improvement, if required.
Figure 21 Application Diagram with Diagnosis for each channel
Note: This is a very simplified example of an application circuit. In case of high ISO-pulse requirements a reverse
protection diode may be used for LED protection. The function must be verified in the real application.
10.1
Further Application Information
• For further information you may contact http://www.infineon.com/
Data Sheet
31
Rev. 1.1, 2015-03-24