Datasheet > TDA7473

TDA7473

更新时间： 2024-11-15 22:53:11

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		驱动器
页数	文件大小	规格书
5页	41K
描述
QUAD BTL DRIVER WITH VOLTAGE REGULATOR

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中文翻译

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数据手册

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TDA7473 数据手册

TDA7473

QUAD BTL DRIVER WITH VOLTAGE REGULATOR

4 BUILT-IN POWER BRIDGES (4 x 0.6A)

NO EXTERNAL COMPONENTS

SINGLE POWER SUPPLY

WIDE SUPPLY VOLTAGE RANGE (6 TO 15V)

5V REGULATOR DRIVER FOR EXTERNAL

PASS TRANSISTOR WITH FOLD-BACK

SHORT CIRCUIT PROTECTION

ADJUSTABLE REGULATOR (2.0 TO 3.6V @

200mA) WITH SHORT CIRCUIT PROTEC-

TION

SO28 (24+2+2)

DESCRIPTION

and it’s capable of driving focus & tracking actua-

tors sledge & spindle motors.

This device is a quad power driver circuit in BTL

configuration, intended for use as a power driver

for servo systems with a single supply.

The regulators are mainly used to have a 5V sup-

ply for the power part and a lower programmable

voltage for the logic circuits.

It’s specially dedicated to compact disc players

Figure 1: Quad BTL Power Bridges + MultifunctionRegulators.

VSUP

DRIV 5V

IN2

IN1

VS1

VS2

VS3

VS4

OUT 1+

VS/2

SPINDLE

MOTOR

VBG

OUT 1-

OUT 2+

REG

VS/2

SLEDGE

MOTOR

OUT 2-

OUT 3+

ADJ

VBG

TRACKING

ACTUATOR

REFERENCE

VBG

OUT 3-

OUT 4+

FOCUS

ACTUATOR

OUT 4-

D95AU223B

ST_BY IN3 IN4 COMM

REF

GND GND GND GND

1/5

June 1998

12 3 4 5

中文翻译

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