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L6574D013TR

更新时间： 2024-09-24 17:33:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		驱动驱动器
页数	文件大小	规格书
10页	164K
描述
支持预热和调光的CFL/TL镇流器驱动器

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中文翻译

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数据手册
替代型号

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L6574D013TR 数据手册

L6574

CFL/TL BALLAST DRIVER PREHEAT AND DIMMING

■ HIGH VOLTAGE RAIL UP TO 600V

■ dV/dt IMMUNITY ± 50 V/ns IN FULL

TEMPERATURE RANGE

■ DRIVER CURRENT CAPABILITY:

250mA SOURCE

450mA SINK

■ SWITCHING TIMES 80/40ns RISE/FALL

■ WITH 1nF LOAD

SO16N

DIP16

L6574

ORDERING NUMBERS:

L6574D

■ CMOS SHUT DOWN INPUT

■ UNDER VOLTAGE LOCK OUT

■ PREHEAT AND FREQUENCY SHIFTING

TIMING

■ SENSE OP AMP FOR CLOSED LOOP

CONTROL OR PROTECTION FEATURES

■ HIGH ACCURACY CURRENT CONTROLLED

OSCILLATOR

The device is intended to drive two power MOS-

FETS, in the classical half bridge topology, ensur-

ing all the features needed to drive and properly

control a fluorescent bulb.

A dedicated timing section in the L6574 allows the

user set the necessary parameters for proper pre-

heat and ignition of the lamp.

■ INTEGRATED BOOTSTRAP DIODE

■ CLAMPING ON VS.

■ SO16, DIP 16 PACKAGES

Also, an OP AMP is available to implement closed

loop control of the lamp current during normal

lamp burning.

DESCRIPTION

An integrated bootstrap section, eliminating the nor-

mally required bootstrap diode and the zener clamp-

ing on Vs, makes the L6574 well suited for low cost

applications where few additional components are

needed to build a high performance ballast.

In order to ensure voltage ratings in excess of

600V, the L6574 is manufactured with BCD OFF

LINE technology, which makes it well suited for

lamp ballast applications.

BLOCK DIAGRAM

H.V.

V_S

V_BOOT

OP AMP

OPOUT

BOOTSTRAP

DRIVER

HVG

OUT

HVG

DRIVER

OPIN-

C_BOOT

LOAD

DETECTION

OPIN+

Imin

V_REF

LEVEL

SHIFTER

V_S

DEAD

TIME

DRIVING

LOGIC

LVG

Ifs

Ipre

LVG DRIVER

R_ING

Imax

V_REF

GND

Vthpre

V_THE

R_PRE

EN1

EN2

CONTROL

LOGIC

V_THE

VCO

D97IN493A

C_PRE

September 2003

1/10

12 3 4 5 6 7...10

中文翻译

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L6574D013TR 替代型号

型号	品牌	替代类型	描述	数据表
L6574D	STMICROELECTRONICS	完全替代	CFL/TL BALLAST DRIVER PREHEAT AND DIMMING
E-L6574D013TR	STMICROELECTRONICS	类似代替	CFL/TL Ballast Driver with Preheat and Dimming

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