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L293 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. L293
Description  QUADRUPLE HALF-H DRIVER
Download  19 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

L293 Datasheet(HTML) 1 Page - Texas Instruments

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L293, L293D
QUADRUPLE HALFH DRIVERS
SLRS008C − SEPTEMBER 1986 − REVISED NOVEMBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Featuring Unitrode L293 and L293D
Products Now From Texas Instruments
D Wide Supply-Voltage Range: 4.5 V to 36 V
D Separate Input-Logic Supply
D Internal ESD Protection
D Thermal Shutdown
D High-Noise-Immunity Inputs
D Functionally Similar to SGS L293 and
SGS L293D
D Output Current 1 A Per Channel
(600 mA for L293D)
D Peak Output Current 2 A Per Channel
(1.2 A for L293D)
D Output Clamp Diodes for Inductive
Transient Suppression (L293D)
description/ordering information
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.
All inputs are TTL compatible. Each output is a
complete
totem-pole
drive
circuit,
with
a
Darlington
transistor
sink
and
a
pseudo-
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
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
HSOP (DWP)
Tube of 20
L293DWP
L293DWP
0
°C to 70°C
PDIP (N)
Tube of 25
L293N
L293N
0
°C to 70°C
PDIP (NE)
Tube of 25
L293NE
L293NE
PDIP (NE)
Tube of 25
L293DNE
L293DNE
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Copyright
 2004, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
HEAT SINK AND
GROUND
HEAT SINK AND
GROUND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1,2EN
1A
1Y
2Y
2A
VCC2
VCC1
4A
4Y
3Y
3A
3,4EN
L293 ...N OR NE PACKAGE
L293D . . . NE PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1,2EN
1A
1Y
NC
NC
NC
NC
NC
2Y
2A
VCC2
VCC1
4A
4Y
NC
NC
NC
NC
NC
3Y
3A
3,4EN
L293 . . . DWP PACKAGE
(TOP VIEW)
HEAT SINK AND
GROUND
HEAT SINK AND
GROUND


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