Datasheet > IRS2530

IRS2530

更新时间： 2024-12-01 07:08:03

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描述
DIMMING BALLAST CONTROL IC

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数据手册

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IRS2530 数据手册

July 09, 2008

IRS2530D(S)

DIM8^TMDIMMING BALLAST CONTROL IC

IC Features

Product Summary

•

Dimming ballast control plus half-bridge driver

Closed-loop lamp current dimming control

Internal non-ZVS protection

Internal crest factor protection

Programmable preheat time

Fixed dead-time (2.0μs typ.)

Lamp insert auto-restart

Internal bootstrap MOSFET

Internal 15.6V zener clamp diode on Vcc

Micropower startup (250μA)

Topology

Half-Bridge

600 V

V_OFFSET

V_OUT

V_CC

I_O+& I_O-(typical)

Deadtime (typical)

180mA & 260mA

2.0μs

Latch immunity and ESD protection

Package Types

Ballast System Features

•

Single chip dimming solution

Simple lamp current dimming control method

Single lamp current sensing resistor required

No half-bridge current-sensing resistor required

No external protection circuits required (fully

internal)

PDIP8

SO8

•

Flash-free lamp start at all dimming levels

Large reduction in component count

Easy to use for fast design cycle time

Increased manufacturability and reliability

Typical applications

•

Linear dimming ballast (down to 10%)

3-way dimming ballast

Multi-level switch dimming ballast

Typical Connection Diagram

BR1

LINE

INPUT

RVCC1

RVCC2

RLIM1

VCC

RLIM2

CBUS

RHO

MHS

COM

CVCC1

CVCC2

CDIM

LRES:A

CDC

CBS

DIM

SPIRAL

CFL LAMP

LRES:B

CSNUB

DCP2

CVCO

VCO

RLO

CH1

CRES

MLS

RLMP2

RVCO

CPH

RLMP1

(+)

(-)

CH2

RDIM1

1-10V

DIM

INPUT

CFB

RFB

DCP1

LRES:C

RDIM2

RCS

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