Datasheet ALED6000 (STMicroelectronics) - 2

ALED6000 Application schematic 1 Application schematic Figure 1. Application schematic
DIM VIN SYNCH DIM VIN VBIAS VIN BOOT
ALED6000
CBOOT VCC L VLED+ EN LX LX CIN SS FB COUT FSW RF CF RU CVCC CSS ILIM GND TP COMP VLED- D CP RSNS GND GND
DS13018
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Rev 2 page 2/45
Document Outline Cover image Features Applications Description 1 Application schematic 2 Block diagram 3 Pin settings 3.1 Pin connection 3.2 Pin description 3.3 Maximum ratings 3.4 Thermal data 3.5 ESD protection 4 Electrical characteristics 5 Functional description 5.1 Oscillator and synchronization 5.2 Soft-start 5.3 Digital dimming 5.4 Error amplifier and light-load management 5.5 Low VIN operation 5.6 Overcurrent protection 5.7 Overtemperature protection 6 Application information 6.1 Input capacitor selection 6.2 Output capacitor and inductor selection 6.3 Compensation strategy 6.4 Thermal considerations 6.5 Layout considerations 7 Demonstration board 8 Application notes – alternative topologies 8.1 Inverting buck-boost 8.2 Positive buck-boost 8.3 Floating boost 8.4 Compensation strategy for alternative topologies 9 Package information 9.1 HTSSOP16 package information Revision history