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L293B 数据表(PDF) 4 Page - STMicroelectronics

部件名 L293B
功能描述  PUSH-PULL FOUR CHANNEL DRIVERS
PDF  12 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L293B 数据表(HTML) 4 Page - STMicroelectronics

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L293E L293B
4/12
THERMAL DATA
ELECTRICAL CHARACTERISTCS
* See figure 1
** Referred to L293E
TRUTH TABLE
(*) High output impedance
(**) Relative to the considerate channel
Symbol
Parameter
Value
Unit
Rth j-case
Thermal Resistance Junction-case
Max.
14
oC/W
Rth j-amb
Thermal Resistance Junction-ambient
Max.
80
oC/W
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
Vss
36
V
Vss
Logic Supply Voltage
4.5
36
V
Is
Total Quiescent Supply Current
Vi = L; Io = 0; Vinh = H
2
6
mA
Vi = h; Io = 0; Vinh = H
16
24
mA
Vinh = L
4
mA
Iss
Total Quiescent Logic Supply
Current
Vi = L; Io = 0; Vinh = H
44
60
mA
Vi = h; Io = 0; Vinh = H
16
22
mA
Vinh = L
16
24
mA
ViL
Input Low Voltage
-0.3
1.5
V
ViH
Input High Voltage
VSS ≤ 7V
2.3
Vss
V
VSS > 7V
2.3
7
V
IiL
Low Voltage Input Current
Vil = 1.5V
-10
µA
IiH
High Voltage Input Current
2.3V
≤ VIH ≤ VSS - 0.6V
30
100
µA
VinhL
Inhibit Low Voltage
-0.3
1.5
V
VinhH
Inhibit High Voltage
VSS ≤7V
2.3
Vss
V
VSS > 7V
2.3
7
V
IinhL
Low Voltage Inhibit Current
VinhL = 1.5V
-30
-100
µA
IinhH
High Voltage Inhibit Current
2.3V
≤VinhH≤ Vss- 0.6V
±10
µA
VCEsatH
Source Output Saturation Voltage
Io = -1A
1.4
1.8
V
VCEsatL
Sink Output Saturation Voltage
Io = 1A
1.2
1.8
V
VSENS
Sensing Voltage (pins 4, 7, 14, 17) (**)
2V
tr
Rise Time
0.1 to 0.9 Vo (*)
250
ns
tf
Fall Time
0.9 to 0.1 Vo (*)
250
ns
ton
Turn-on Delay
0.5 Vi to 0.5 Vo (*)
750
ns
toff
Turn-off Delay
0.5 Vi to 0.5 Vo (*)
200
ns
Vi (each channel)
Vo
Vinh
(**)
HH
H
LL
H
H
X (*)
L
L
X (*)
L



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