BD555BKFV - Rohm

BD555BKFV AC/DC Controller IC

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 cont.

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)
●Key Specifications
 Input voltage range.....16~39V
 Regulated supply voltage.....11.5V
 Fixed DC/DC operating frequency..