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TDA7473A PDF预览

TDA7473A

更新时间: 2024-11-16 20:52:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 电动机控制光电二极管
页数 文件大小 规格书
5页 56K
描述
DISK DRIVE MOTOR CONTROLLER, PDSO28, SO-28

TDA7473A 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SO-28
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81模拟集成电路 - 其他类型:DISK DRIVE MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G28长度:17.9 mm
功能数量:4端子数量:28
最高工作温度:80 °C最低工作温度:-25 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:2.65 mm
最大供电电压 (Vsup):15 V最小供电电压 (Vsup):6 V
标称供电电压 (Vsup):6 V表面贴装:YES
温度等级:COMMERCIAL EXTENDED端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:7.5 mmBase Number Matches:1

TDA7473A 数据手册

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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)  
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 relators are mainly sed to have a 5V sup-  
ply for the power parand a lower programmable  
vtage for the logic circuits.  
It’s specially dedicated to compact disc players  
Figure 1: Quad BTL Power Bridges + MultifunctionRegulators.  
+
VSUP  
OC  
DRIV 5V  
IN2  
IN1  
VS1  
VS2  
VS3  
VS4  
-
OUT 1+  
+
+
VS/2  
SPINDLE  
MOTOR  
VBG  
M
-
+
-
OUT 1-  
OUT 2+  
REG  
-
+
+
-
VS/2  
VS/2  
VS/2  
SLEDGE  
MOTOR  
M
R1  
1K  
+
-
OUT 2-  
OUT 3+  
ADJ  
VBG  
R2  
1K  
-
+
+
-
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  

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