IR21591

更新时间： 2024-09-17 04:23:11

品牌	Logo	应用领域
英飞凌 - INFINEON		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
页数	文件大小	规格书
25页	261K
描述
DIMMING BALLAST CONTROL IC

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数据手册

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IR21591 数据手册

Preliminary Data Sheet No. PD60169-D

( )

IR2159

IR21591

DIMMING BALLAST CONTROL IC

Features

Brown-out protection

Automatic restart

Micro-power startup

Zener clampedVcc

Over-temperature protection

16-pin DIP and SOIC package types

•

Ballast control and half-bridge driver in one IC

•

Transformer-less lamp power sensing

Closed-loop lamp power control

Closed-loop preheat current control

Programmable preheat time

Programmable preheat current

Programmable ignition-to-dim time

0.5 to 5VDC dimming control input

Min and max lamp power adjustments

•

Parameter

Deadtime

Frequency

Range

IR2159

1.8us

See

IR21591

1.0us

See

•

Programmable minimum frequency

Internal current sense blanking

•

Graph 3

Graph 4

Full lamp fault protection

•

Packages

Description

Description:The IR2159/IR21591 are complete dimming ballast controllers and 600V

half-bridge drivers all in one IC.The architecture includes phase control for trans-

former-less lamp power sensing and regulation which minimizes changes needed to

adapt non-dimming ballasts for dimming. Externally programmable features such as

preheat time and current, ignition-to-dim time, and a complete dimming interface with

minimum and maximum settings provide a high degree of flexibility for the ballast

design engineer. Protection from failure of a lamp to strike, filament failures, thermal

overload, or lamp failure during normal operation, as well as an automatic restart

function, have been included in the design. The heart of this control IC is a voltage-

controlled oscillator with externally programmable minimum frequency.The IR2159/

IR21591 are available in both 16 pin DIP and 16 pin narrow body SOIC packages.

16 Lead SOIC

(narrow body)

16 Lead PDIP

Typical Connection

+ Rectified AC Line

Single Lamp Dimmable

+ DC Bus

R_VAC

R_PULL-UP

R_VDC

C_VDC

VDC

VCO

CPH

DIM

C_VCO

C_PH

R_DIM

R_MAX

R_MIN

R_FMIN

R_IPH

VCC

COM

0.5 to 5VDC

MAX

MIN

FMIN

IPH

R_CS

- DC Bus

www.irf.com

12 3 4 5 6 7...25

中文翻译

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