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L293D-L293DD
PUSH-PULL FOUR CHANNEL DRIVER WITH DIODES
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L293DD
PUSH-PULL FOUR CHANNEL DRIVER WITH DIODES
600mA OUTPUT CURRENT CAPABILITY
PER CHANNEL
n 1.2A PEAK OUTPUT CURRENT (non repeti-
tive) PER CHANNEL
n ENABLE FACILITY
n OVERTEMPERATURE PROTECTION
n LOGICAL "0" INPUT VOLTAGE UP TO 1.5 V
(HIGH NOISE IMMUNITY)
n INTERNAL CLAMP DIODES
DESCRIPTION
The Device is a monolithic integrated high volt-
age, high current four channel driver designed to
accept standard DTL or TTL logic levels and drive
inductive loads (such as relays solenoides, DC
and stepping motors) and switching power tran-
sistors.
To simplify use as two bridges each pair of chan-
nels is equipped with an enable input. A separate
supply input is provided for the logic, allowing op-
eration at a lower voltage and internal clamp di-
odes are included.
This device is suitable for use in switching appli-
cations at frequencies up to 5 kHz.
BLOCK DIAGRAM
30(12+4+4) Powerdip (12+2+2)
ORDERING NUMBERS:
L293DD L293D
The L293D is assembled in a 16 lead plastic
packaage which has 4 center pins connected to-
gether and used for heatsinking
The L293DD is assembled in a 20 lead surface
mount which has 8 center pins connected to-
gether and used for heatsinking.
Us OUTi 0UT3 Uss
- 3 13
1N1 t l 1N3
ENABLE1t )ENABLE2
1N2 ( ) INd
4.5.6.
8 18 14.115.15.17
nszussarm OUTZ C)OTd l
June 1996
L293D - L293DD
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs Supply Voltage 36 V
Vss Logic Supply Voltage 36 V
Vi Input Voltage 7 V
Ven Enable Voltage 7 V
Io Peak Output Current (100 us non repetitive) 1.2 A
Ptot Total Power Dissipation at Tpins = 90 °C 4 W
Tstg, T, Storage and Junction Temperature -40 to 150 'C
PIN CONNECTIONS (Top view)
ENABLE I 1 tel V55
NA V 29 ID k)
E BLE t CE t SS INPUtt " 15] INPUT6
INPUT 1 CE 2 19 I) INPUT 4
OUTPUT 1 CE 3 18 I) OUTPUT d OUTPUT1 " m] ompun
END d 1 END
CE CIC) GND " 13] GND
GND CE 5 16 ID GND
GND CE 15 15 CIC GND GND ls 12] GNO
GND CE 7 td CID END
OUTPUT 2 CE 8 13 ID OUTPUT 3 OUTPUT: ls 11 ] 0UTPUT3
INPUT 2 CE 9 " ID INPUT 3 INPUT [7
Us CE " 11 I) ENABLE 2 "’1 INPUT3
tt92t.2MDt-ty2 Vs [ts 9 ] ENABLE 2
SO(12+4+4) Powerdip(12+2+2)
THERMAL DATA
Symbol Decription DIP so Unit
Rm j-pins Thermal Resistance Junction-pins max. - 14 °C/W
ij.amb Thermal Resistancejunction-ambient max. 80 50 (*) TIVV
Rm j-case Thermal Resistance Junction-case max. 14 -
(*) VWh 6sq. cm on board heatsink.
E SGS-THOMSON
[i0X8Co)ELlanM2liUCs
