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BD555BKFV_13 Datasheet, PDF (1/16 Pages) Rohm – AC/DC Controller IC | |||
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Datasheet
BD555BKFV AC/DC Controller IC
for mains dimmable LED lighting
BD555BKFV
âGeneral 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.
âFeatures
ï® Fixed frequency DC/DC controller (selectable)
ï® Peak current or average current control (PCC/ACC)
ï® Dynamic Load Current Controller (DLCC)
ï® Logarithmic compensation of detected dimming level
ï® Dimmer detector function
ï® Anti-flash function when dimmer is OFF
ï® PWM and analog dimming control supported
ï® Over Current Protection (OCP)
ï® Thermal Shutdown protection (TSD)
ï® Under Voltage Lock Out (UVLO)
âKey Specifications
ï® Input voltage range........................................16~39V
ï® Regulated supply voltage.................................11.5V
ï® Fixed DC/DC operating frequency.........40~400kHz
ï® Detectable phase-cut range........................45°~135°
ï® Typical current consumption.............................1mA
ï® Under Voltage Lock Out detection.....................9.0V
ï® Operating temperature range.................-40~+110°C
âPackage
SSOP-B14
W(Typ.) x D(Typ.) x H(Max.)
5.00mm x 6.40mm x 1.15mm
âApplications
ï® Retro-fit dimmable LED lighting (E27, E14, GU10, T8
etc.). Wide range of TRIAC and transistor dimmers
supported by DLCC function.
ï® Custom LED lighting with PWM or voltage controlled
dimming.
âTypical Application Circuits
Figure 1. Typical application circuit for non-isolated dimmable buck topology
âProduct structureï¼Silicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ã»14ã»001
âThis product is not designed protection against radioactive rays
1/12
TSZ02201-0W1W0C300010-1-2
30.July.2013 Rev.003
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