OSRAM OPTOTRONIC Constant current LED power supplies with 3DIM - Manual (Page 23)

Application solutions Complexity
level
For detailed information,
please see chapters:
Low 3.3.1. Overtemperature protection
3.3.1.1. Application solution 1 – TMP300 solution
3.3.1.2. Application solution 2 – LM26 solution
3.3.1.3. Application solution 3 – NPC SM6611 solution
3.3.1.4. Application solution 4 – SI S-5841 solution
3.3.1.5. Application solution 5 – MM3488 solution
Medium 3.3.2. Overtemperature protection (discrete NTC)
3.3.2.1. Application solution 1 – overtemperature protection by comparator
Low 3.3.1. Overtemperature protection
3.3.1.6. Application solution 6 – TC620(1) solution
Medium 3.3.2. Overtemperature protection (discrete NTC)
3.3.2.2. Application solution 2 – overtemperature management
by comparator – two-step output
Medium 3.3.2. Overtemperature protection (discrete NTC)
3.3.2.3. Application solution 3 – overtemperature management:
continuous derating and switch-off
Very low 3.3.2. Overtemperature protection (discrete NTC)
3.3.2.4. Application solution 4 – LEDset and current set
combination: direct NTC connetion
Medium/
high
3.3.2. Overtemperature protection (discrete NTC)
3.3.2.5. Application solution 5 – overtemperature management:
microcontroller (MCU) approach
23
LEDset APPLICATIONS
Figure 12: Thermal derating – overview of application solutions.
a)
b)
c)
d)
e)