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L294 数据表(PDF) 3 Page - STMicroelectronics

部件名 L294
功能描述  SWITCH-MODE SOLENOID DRIVER
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L294 数据表(HTML) 3 Page - STMicroelectronics

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Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Vs
Power Supply Voltage (pin 1)
Operative Condition
12
46
V
Id
Quiescent Drain Current (pin 1)
VENABLE = H
20
30
mA
Vi
≥ 0.6V; VENABLE = L
70
Vss
Logic Suply Voltage (pin 4)
4.5
7
V
Iss
Quiescent Logic Supply
Current
VDIAG = L
5
8
mA
DIAG Output at High Impedance
10
100
µA
Vi
Input Voltage (pin 7)
Operating Output
0.6
V
Non-operative Output
0.45
Ii
Input Current (pin 7)
Vi
≥ 0.6V
-1
µA
Vi
≤ 0.45V
-3
VENABLE
Enable Input Voltage (pin 9)
Low Level
-0.3
0.8
V
High Level
2.4
IENABLE
Enable Input Current (pin 9)
VENABLE = L
-100
µA
VENABLE = H
100
Iload/ Vi
Trasconductance
RS = 0.2
Ω
Vi = 1V
0.95
1
1.05
A/V
Vi = 4V
0.97
1
1.3
Vsat H
Source Output Saturation
Voltage
Ip = 4A
1.7
V
Vsat L
Sink Output Saturation Voltage
Ip = 4A
2
V
Vsat H + VsatL Total Saturation Voltage
Ip = 4A
4.5
V
Ileakage
Output Leakage Current
Rs = 0.2
Ω; Vi ≤ 0.45 V
1mA
K
On Time Limiter Constant (°)
VENABLE = L
120
VDIAG
Diagnostic Output Voltage
(pin 5)
IDIAG = 10 mA
0.4
V
IDIAG
Diagnostic Leakage Current
(pin 5)
VDIAG = 40V
10
µA
Vpin 8
Vpin10
OP AMP and OTA CD Voltage
Gain (°°)
Vpin 10 = 100 to 800 mV
5
VSENS
Sensing Voltage (pin 10) (°°°)
0.9
V
ELECTRICAL CHARACTERISTICS (refer to the test circuit, Vs = 40 V, Vss = 5V, Tamb = 25
°C, unless
otherwise specified)
(°)
After a time interval tmax = KC2, the output stages are disabled.
(°°) See the block diagram.
(°°°) Allowed range of VSENS without intervention of the short circuit protection.
3/8
L294



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