L293B(1993) 查看數據表（PDF） - STMicroelectronics
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L293B Datasheet PDF : 12 Pages
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L293B - L293E
ABSOLUTE MAXIMUM RATINGS
Symbol
Vs
Vss
Vi
Vinh
Iout
Ptot
Tstg, Tj
Parameter
Supply Voltage
Logic Supply Voltage
Input Voltage
Inhibit Voltage
Peak Output Current (non repetitive t = 5ms)
Total Power Dissipation at Tground-pins = 80oC
Storage and Junction Temperature
Value
Unit
36
V
36
V
7
V
7
V
2
A
5
W
–40 to +150
oC
THERMAL DATA
Symbol
Rth j-case
Rth j-amb
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max.
Max.
Value
14
80
Unit
oC/W
oC/W
ELECTRICAL CHARACTERISTICS
For each channel, VS = 24V, VSS = 5V, Tamb = 25oC, unless otherwise specified
Symbol
Vs
Vss
Is
Parameter
Supply Voltage
Logic Supply Voltage
Total Quiescent Supply Current
Iss
Total Quiescent Logic Supply Current
ViL Input Low Voltage
ViH Input High Voltage
IiL
IiH
VinhL
VinhH
Low Voltage Input Current
High Voltage Input Current
Inhibit Low Voltage
Inhibit High Voltage
IinhL Low Voltage Inhibit Current
IinhH High Voltage Inhibit Current
VCEsatH Source Output Saturation Voltage
VCEsatL Sink Output Saturation Voltage
VSENS Sensing Voltage (pins 4, 7, 14, 17) (**)
tr
Rise Time
tf
Fall Time
ton
Turn-on Delay
toff
Turn-off Delay
* See figure 1
** Referred to L293E
Test Conditions
Vi = L Io = 0
Vi = H Io = 0
Vi = L Io = 0
Vi = H Io = 0
Vinh = H
Vinh = H
Vinh = L
Vinh = H
Vinh = H
Vinh = L
VSS ≤ 7V
Vss > 7V
Vil = 1.5V
2.3V ≤ VIH ≤ Vss - 0.6V
VSS ≤ 7V
Vss > 7V
VinhL = 1.5V
2.3V ≤ VinhH ≤ Vss - 0.6V
Io = -1A
Io = 1A
0.1 to 0.9 Vo (*)
0.9 to 0.1 Vo (*)
0.5 Vi to 0.5 Vo (*)
0.5 Vi to 0.5 Vo (*)
Min.
Vss
4.5
-03.
2.3
2.3
-0.3
2.3
2.3
TYp.
2
16
44
16
16
30
-30
1.4
1.2
250
250
750
200
TRUTH TABLE
Vi (each channel)
Vo
H
H
L
L
H
X (o)
L
X (o)
(*) High output impedance
(**) Relative to the considerate channel
4/12
Vinh (∞)
H
H
L
L
Max. Unit
36
V
36
V
6
mA
24
4
60 mA
22
24
1.5
V
Vss
V
7
-10 µA
100 µA
1.5
V
Vss
V
7
-100 µA
±10 µA
1.8
V
1.8
V
2
V
ns
ns
ns
ns
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