Datasheet > BD555BKFV

BD555BKFV

更新时间： 2024-11-26 12:21:59

品牌	Logo	应用领域
罗姆 - ROHM		控制器
页数	文件大小	规格书
13页	737K
描述
BD555BKFV AC/DC Controller IC for mains dimmable LED lighting

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BD555BKFV 数据手册

BD555BKFV

Datasheet

BD555BKFV AC/DC Controller IC

for mains dimmable LED lighting

BD555BKFV

●General Description

●Key Specifications

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.

¢ Input voltage range........................................16~39V

¢ Regulated supply voltage.................................11.5V

¢ Fixed DC/DC operating frequency.........40~400kHz

¢ Detectable phase-cut range........................45°~135°

¢ Typical current consumption.............................1mA

¢ Under Voltage Lock Out detection.....................9.0V

¢ Operating temperature range.................-40~+110°C

●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

●Package

SSOP-B14

W(Typ.) x D(Typ.) x H(Max.)

5.00mm x 6.40mm x 1.15mm

¢ 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)

●Applications

¢ Retro-fit dimmable LED lighting (E27, E14, GU10, T8

etc.). Wide range of TRIAC and transistor dimmers

supported by DLCC function.

¢ Custom LED lighting with PWM or voltage controlled

dimming.

●Typical Application Circuits

Figure 1. Typical application circuit for

non-isolated dimmable buck topology

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

www.rohm.com

TSZ02201-0W1W0C300010-1-2

03.Aug.2012 Rev.001

1/10

TSZ22111・14・001

12 3 4 5 6 7...13

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