Quadruple Half-H Drivers
Description
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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 highcurrent 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 positivesupply applications.
Each output is a complete totem-pole drive circuit, with a Darlington transistor sink and a pseudoDarlington 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.
L293, L293D
SLRS008D – SEPTEMBER 1986 – REVISED JANUARY 2016
www.
ti.
com
Table of Contents
1 Features .
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