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L293

更新时间： 2024-09-17 21:55:03
品牌 Logo 应用领域
德州仪器 - TI 驱动
页数 文件大小 规格书
18页 493K
描述
QUADRUPLE HALF-H DRIVERS

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中文翻译

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L293 数据手册

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SLRS008C − SEPTEMBER 1986 − REVISED NOVEMBER 2004  
L293 . . . N OR NE PACKAGE  
L293D . . . NE PACKAGE  
(TOP VIEW)  
D
Featuring Unitrode L293 and L293D  
Products Now From Texas Instruments  
D
D
D
D
D
D
D
D
D
Wide Supply-Voltage Range: 4.5 V to 36 V  
Separate Input-Logic Supply  
Internal ESD Protection  
1,2EN  
1A  
V
CC1  
4A  
4Y  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
1Y  
Thermal Shutdown  
HEAT SINK AND  
GROUND  
HEAT SINK AND  
High-Noise-Immunity Inputs  
GROUND  
2Y  
2A  
3Y  
3A  
Functionally Similar to SGS L293 and  
SGS L293D  
V
3,4EN  
CC2  
Output Current 1 A Per Channel  
(600 mA for L293D)  
L293 . . . DWP PACKAGE  
(TOP VIEW)  
Peak Output Current 2 A Per Channel  
(1.2 A for L293D)  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
Output Clamp Diodes for Inductive  
Transient Suppression (L293D)  
1,2EN  
1A  
V
CC1  
4A  
2
3
1Y  
NC  
NC  
NC  
4Y  
description/ordering information  
4
NC  
NC  
NC  
5
The L293 and L293D are quadruple high-current  
half-H drivers. The L293 is designed to provide  
bidirectional drive currents of up to 1 A at voltages  
from 4.5 V to 36 V. The L293D is designed to  
provide bidirectional drive currents of up to  
600-mA at voltages from 4.5 V to 36 V. Both  
devices are designed to drive inductive loads such  
as relays, solenoids, dc and bipolar stepping  
motors, as well as other high-current/high-voltage  
loads in positive-supply applications.  
6
7
HEAT SINK AND  
GROUND  
HEAT SINK AND  
GROUND  
8
9
10  
11  
12  
13  
14  
NC  
NC  
2Y  
2A  
NC  
NC  
3Y  
3A  
V
3,4EN  
CC2  
All inputs are TTL compatible. Each output is a  
complete totem-pole drive circuit, with  
a
Darlington transistor sink and pseudo-  
a
Darlington source. Drivers are enabled in pairs, with drivers 1 and 2 enabled by 1,2EN and drivers 3 and 4  
enabled by 3,4EN. When an enable input is high, the associated drivers are enabled, and their outputs are active  
and in phase with their inputs. When the enable input is low, those drivers are disabled, and their outputs are  
off and in the high-impedance state. With the proper data inputs, each pair of drivers forms a full-H (or bridge)  
reversible drive suitable for solenoid or motor applications.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
HSOP (DWP)  
PDIP (N)  
Tube of 20  
Tube of 25  
Tube of 25  
Tube of 25  
L293DWP  
L293N  
L293DWP  
L293N  
0°C to 70°C  
L293NE  
L293DNE  
L293NE  
L293DNE  
PDIP (NE)  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at  
www.ti.com/sc/package.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...18

中文翻译

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L293 替代型号

型号 品牌 替代类型 描述 数据表
L293D TI

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