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Overview
| Topology | Buck Converter |
| Input voltage | 220 V |
| Switching frequency | 40-400 kHz |
| IC revision | 003 |
Description
The BD555BKFV controller AC/DC controller IC can be used in a wide range of dimmable LED lighting driver applications. The main target application is dimmable retro-fit LED lighting, replacing existing incandescent light bulbs, halogen spot lights, CFL tubes etc.
Features
- Fixed frequency DC/DC controller (selectable)
- Peak current or average current control (PCC/ACC)
- Dynamic Load Current Controller (DLCC)
- Logarithmic compensation of detected dimming level
- Dimmer detector function
- Anti-flash function when dimmer is OFF
- PWM and analog dimming control supported
- Over Current Protection (OCP)
- Thermal Shutdown protection (TSD)
- Under Voltage Lock Out (UVLO)
Typical applications
- Custom LED lighting with PWM or voltage controlled
- Retro-fit dimmable LED lighting (E27, E14, GU10, T8