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S3045 데이터시트 PDF




KODENSHI KOREA에서 제조한 전자 부품 S3045은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 S3045 기능
기능 4CH BTL Motor Drive IC
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S3045 데이터시트, 핀배열, 회로
Semiconductor
http:// www.auk.co.kr
S30454CH BTL Motor Drive IC
Description
The S3045 is a four-channels BTL motor driver for driving the
actuators and motors for products of DVD-P/R/RW.
It embrace a two channels of current feed-back BTL drivers.
those use current feed-back process to minimize the current phase
shift from the load inductance of actuators
It supports various applications with pb free and heat-sink package.
SSOPH-28N
With Heat-sink
ORDERING INFORMATION
Product
S3045
Marking
S3045
Package
SSOPH-28N
Marking Detail Information
S3045()
YYWW()
Application
CD-ROM
CD-RW
DVD-PLAYER
DVD-ROM
DVD-RW
Features and Benefits
2 Channel are current feedback motor driver for actuators
2 Channels are voltage-type BTL drivers for sled and
loading motors.
Separating power of SVcc and PVcc1,PVcc2 are to improve
power efficiency.
Built in Level shift circuit.
Built in Thermal shut down circuit.
Built in Standby mode.
Device Code
Year & Week Code
Dual Actuator drivers [ Current Feedback ]
The current feedback technique can reduce the current
phase shift caused By the load inductance of actuators
Sled motor driver
A general OP-AMP connected to the input terminal helps
compute additions of differential inputs or signals.
Loading motor driver
Single input linear BTL driver. The output structure are two
power OP-AMPS in bridge configuration.
SEPT., 2010 REV. 02
KSD-I7A001-002
1




S3045 pdf, 반도체, 판매, 대치품
S3045
Absolute Maximum Ratings ( Ta = 25)
Parameter
Symbol
Limits
Supply Voltage
SVCC/PVCC
15
Power Dissipation
Pd 1.7
Operate Temperature Range Topr -35 ~ +85
Storage Temperature Range
Tstg -55 ~ +150
[ Note ] 1) When mounted on a 50mm×50mm×1mm PCB
2) Power dissipation reduces 20mW/for using above Ta=25
3) Do not exceed pd and SOA
Guaranteed Operating Conditions ( Ta = 25)
Parameter
Power Supply Voltage
Symbol
SVCC
PVCC1/ PVCC2
Limits
4.5 ~ 13.2
4.5 ~ SVCC
Power Dissipation Curve [ Pd ]
Unit
V
W
Unit
V
V
50mm×50mm×1mm PCB
Power dissipation reduces 20mW/for using above Ta=25
SEPT., 2010 REV. 02
KSD-I7A001-002
4

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S3045 전자부품, 판매, 대치품
S3045
Application Information
1. Thermal Shut Down Circuit
Actuators, Sled and
Loading motor
IHys
Bandgap Voltage
[ 1.25V ]
R2
R3 R1
R4
The built-in thermal shutdown circuit mutes turn off the output current when the chip temperature
reaches 175(typ.). The hysteresis is set to 25(typ.) by IHys,
so the circuit will start up again when the chip temperature falling down to 150(typ.)
2. Reference Input & Stand-by Function
•Reference input [ BIAS PIN : PIN 27 ]
The applied voltage at the reference input pin must be between 0.8V and 6.5V
( when SVcc=8.5V )
•Standby input [ PIN28 ]
The following input conditions must be satisfied for the standby function
Stand-by input voltage
Below 0.5V [ or Open ]
Above 2.0V
OPERATION
The stand-by function is activated so the bias block and power
block are disabled
Recover the normal operation
SEPT., 2010 REV. 02
KSD-I7A001-002
7

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