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L293D Datasheet Preview

L293D Datasheet

Quadruple Half-H Drivers

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L293, L293D
SLRS008D – SEPTEMBER 1986 – REVISED JANUARY 2016
L293x Quadruple Half-H Drivers
1 Features
1 Wide Supply-Voltage Range: 4.5 V to 36 V
• Separate Input-Logic Supply
• Internal ESD Protection
• High-Noise-Immunity Inputs
• Output Current 1 A Per Channel (600 mA for
L293D)
• Peak Output Current 2 A Per Channel (1.2 A for
L293D)
• Output Clamp Diodes for Inductive Transient
Suppression (L293D)
2 Applications
• Stepper Motor Drivers
• DC Motor Drivers
• Latching Relay Drivers
3 Description
The L293 and L293D devices 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.
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.
The L293 and L293D are characterized for operation
from 0°C to 70°C.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
L293NE
PDIP (16)
19.80 mm × 6.35 mm
L293DNE
PDIP (16)
19.80 mm × 6.35 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Logic Diagram
1A
1,2EN
2A
2
1
7
3 1Y
6 2Y
3A
3,4EN
4A
10
9
15
11 3Y
14
4Y
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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L293D Datasheet Preview

L293D Datasheet

Quadruple Half-H Drivers

No Preview Available !

L293, L293D
SLRS008D – SEPTEMBER 1986 – REVISED JANUARY 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Switching Characteristics ......................................... 5
6.7 Typical Characteristics .............................................. 5
7 Parameter Measurement Information .................. 6
8 Detailed Description .............................................. 7
8.1 Overview ................................................................... 7
8.2 Functional Block Diagram ......................................... 7
8.3 Feature Description................................................... 7
8.4 Device Functional Modes.......................................... 8
9 Application and Implementation .......................... 9
9.1 Application Information.............................................. 9
9.2 Typical Application ................................................... 9
9.3 System Examples ................................................... 10
10 Power Supply Recommendations ..................... 13
11 Layout................................................................... 14
11.1 Layout Guidelines ................................................. 14
11.2 Layout Example .................................................... 14
12 Device and Documentation Support ................. 15
12.1 Related Links ........................................................ 15
12.2 Community Resources.......................................... 15
12.3 Trademarks ........................................................... 15
12.4 Electrostatic Discharge Caution ............................ 15
12.5 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (November 2004) to Revision D
Page
• Removed Ordering Information table .................................................................................................................................... 1
• Added ESD Ratings and Thermal Information tables, Feature Description section, Device Functional Modes,
Application and Implementation section, Power Supply Recommendations section, Layout section, Device and
Documentation Support section, and Mechanical, Packaging, and Orderable Information section. .................................... 1
2 Submit Documentation Feedback
Product Folder Links: L293 L293D
Copyright © 1986–2016, Texas Instruments Incorporated


Part Number L293D
Description Quadruple Half-H Drivers
Maker etcTI
Total Page 18 Pages
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