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reference designBD555BKFV

ROHM BD555BKFV

BD555BKFV AC/DC Controller IC for mains dimmable LED lighting

Overview

TopologyBuck Converter
Input voltage240 V
Switching frequency40-400 kHz
Output 194 V / 0.04 A
IC revision003

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

More information

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7608000904
SPECPFC Transformer
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series PFC Transformer
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