SGS Thomson Microelectronics L293C Datasheet

L293C

April1993

H-BRIDGEDRIVER

PREL IMIN ARY DAT A

PUSH-PULL FOUR CHANNEL/DUAL

.600mAOUTPUTCURRENTCAPABILITYPER

CHANNEL

.1.2APEAKOUTPUTCURRENT(nonrepetitive)

PERCHANNEL

.ENABLEFACILITY

.OVERTEMPERATUREPROTECTION

.LOGICAL ”0” INPUT VOLTAGE UP TO 1.5 V

(highnoiseimmunity)

.SEPARATEHIGHVOLTAGEPOWERSUPPLY

(upto 44V)

DESCRIP TION

TheL293Cisa monolithichighvoltage,highcurrent
integratedcircuit fourchanneldriverin a20pinDIP.
Itis designedto accept standardTTL or DTL input
logic levels and drive inductiveloads (such as re­lays, solenoids, DC and stepping motors) and
switchingpower transistors.

The devicemay easily be used as a dual H-bridge
driver: separatechipenableandhighvoltagepower
supplypinsare providedfor eachH-bridge.Inaddi­tion, a separate power supply is provided for the
logicsectionof the device.

TheL293C is assembledin a 20 lead plasticpack­agewhichhas4centerpinsconnectedtogetherand
usedforheatsinking.

POWERDIP (16 + 2 + 2)

ORDERING NUMBER : L293C

PIN CONNECTION

1/5

BLOCK DIAGRAM

TRUTH TABLE

Input Enable Output

H

L
X

H
H

L

H

L

Z

Z = High output impedance

SWITCHING TIMES

L293C

2/5

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

S

Supply Voltage 50 V

V

SS

Logic Supply Voltage 7 V

V

i

Input Voltage 7 V

V

EN

Enable Voltage 7 V

I

out

Peak Output Current (non–repetitive t = 5 ms) 1.2 A

P

tot

Total Power Dissipation at T

ground–pins

=80oC5W

T

stg,Tj

Storage and Junction Temperature –40 to 150

o

C

THERMAL DATA

Symbol Parameter Value Unit

R

th j-case

Thermal Resistance Junction-case Max. 14

o

C/Ω

R

th j-amb

Thermal Resistance Junction-ambient Max. 80

o

C/Ω

ELECTRICAL CHARACTERISTICS

(for each channel, V

S

= 24 V, VSS= 5V,T

amb

= 25oC, unless otherwise specified)

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

S

Supply Voltage (pin 9, 10) V

SS

44 V

V

SS

Logic Supply Voltage (pin 20) 4.5 7 V

I

S

Total Quiescent Supply Current (pin 9, 10) Vi=L IO=0 VEN=H

V

i

=H IO=0 VEN=H

V

EN

=L

2166

24

4

mA

I

SS

Total Quiescent Logic Supply Current (pin 20) Vi=L IO=0 VEN=H

V

i

=H IO=0 VEN=H

V

EN

=L

44
16
16

60
22
24

mA

V

IL

Input Low Voltage (pin 2, 8, 12, 19) -0.3 1.5 V

V

IH

Input High Voltage (pin 2, 8, 12, 19) 2.3 V

SS

V

I

IL

Low Voltage Input Current (pin 2, 8, 12, 19) Vi= 1.5 V -10 µA

I

IH

High Voltage Input Current (pin 2, 8, 12, 19) 2.3 V ≤ Vi≤ VSS– 0.6 V 30 100 µA

V

EN L

Enable Low Voltage (pin 1, 11) -0.3 1.5 V

V

EN H

Enable High Voltage (pin 1, 11) 2.3 V

SS

V

I

EN L

Low Voltage Enable Current (pin 1, 11) V

EN L

= 1.5 V -30 -100 µA

I

EN H

High Voltage Enable Current (pin 1, 11) 2.3 V ≤ V

EN H

≤ VSS– 0.6 ±10 µA

V

CE(sat)H

Source Output Saturation Voltage
(pins 3, 7, 13, 18)

IO= – 0.6 A 1.4 1.8 V

V

CE(sat)L

Sink Output Saturation Voltage
(pins 3, 7, 13, 18)

IO= + 0.6 A 1.2 1.8 V

t

r

Rise Time (*) 0.1 to 0.9 V

O

250 ns

t

f

Fall Time (*) 0.9 to 0.1 V

O

250 ns

t

on

Turn-on Delay (*) 0.5 Vito 0.5 V

O

750 ns

t

off

Turn-off Delay (*) 0.5 Vito 0.5 V

O

200 ns

(*) See switching times diagram

L293C

3/5

20 11

110

I

a1

L

B

e

D

Z

b

Z

e3

F

b1

E

PMDIP20W.EPS

POWERDIP (16 + 2 +2) PACKAGE MECHANICAL DATA

Dimensions

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

a1 0.51 0.020

B 0.85 1.4 0.033 0.055
b 0.5 0.020

b1 0.38 0.5 0.015 0.020

D 24.8 0.976

E 8.8 0.346
e 2.54 0.100

e3 22.86 0.900

F 7.1 0.280

i 5.1 0.201
L 3.3 0.130
Z 1.27 0.050

DIP20PW.TBL

L293C

4/5

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for
the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its
use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifica­tions mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information pre­viously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of SGS-THOMSON Microelectronics.

 1994SGS-THOMSON Microelectronics - AllRights Reserved

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L293C

5/5