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L298N 데이터시트(PDF) 3 Page - STMicroelectronics

부품명 L298N
상세설명  DUAL FULL-BRIDGE DRIVER
Download  13 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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PIN FUNCTIONS (refer to the block diagram)
MW. 15
Po werSO
Name
Fun ction
1;15
2;19
Sense A; Sense B
Between this pin and ground is connected the sense resistor to
control the current of the load.
2;3
4;5
Out 1; Out 2
Outputs of the Bridge A; the current that flows through the load
connected between these two pins is monitored at pin 1.
46
VS
Supply Voltage for the Power Output Stages.
A non-inductive 100nF capacitor must be connected between this
pin and ground.
5;7
7;9
Input 1; Input 2
TTL Compatible Inputs of the Bridge A.
6;11
8;14
Enable A; Enable B
TTL Compatible Enable Input: the L state disables the bridge A
(enable A) and/or the bridge B (enable B).
8
1,10,11,20
GND
Ground.
9
12
VSS
Supply Voltage for the Logic Blocks. A100nF capacitor must be
connected between this pin and ground.
10; 12
13;15
Input 3; Input 4
TTL Compatible Inputs of the Bridge B.
13; 14
16;17
Out 3; Out 4
Outputs of the Bridge B. The current that flows through the load
connected between these two pins is monitored at pin 15.
3;18
N.C.
Not Connected
ELECTRICAL CHARACTERISTICS (VS = 42V; VSS = 5V, Tj =25
°C; unless otherwise specified)
Symbol
Parameter
Test Co ndi tions
Min .
Typ .
Max.
Uni t
VS
Supply Voltage (pin 4)
Operative Condition
VIH +2.5
46
V
VSS
Logic Supply Voltage (pin 9)
4.5
5
7
V
IS
Quiescent Supply Current (pin 4)
Ven =H; IL =0
Vi =L
Vi =H
13
50
22
70
mA
mA
Ven =L
Vi =X
4
mA
ISS
Quiescent Current from VSS (pin 9) Ven =H; IL =0
Vi =L
Vi =H
24
7
36
12
mA
mA
Ven =L
Vi =X
6
mA
ViL
Input Low Voltage
(pins 5, 7, 10, 12)
–0.3
1.5
V
ViH
Input High Voltage
(pins 5, 7, 10, 12)
2.3
VSS
V
IiL
Low Voltage Input Current
(pins 5, 7, 10, 12)
Vi = L
–10
µA
IiH
High Voltage Input Current
(pins 5, 7, 10, 12)
Vi = H
≤ VSS –0.6V
30
100
µA
Ven = L
Enable Low Voltage (pins 6, 11)
–0.3
1.5
V
Ven = H
Enable High Voltage (pins 6, 11)
2.3
VSS
V
Ien = L
Low Voltage Enable Current
(pins 6, 11)
Ven = L
–10
µA
Ien = H
High Voltage Enable Current
(pins 6, 11)
Ven =H
≤ VSS –0.6V
30
100
µA
VCEsat(H) Source Saturation Voltage
IL =1A
IL =2A
0.95
1.35
2
1.7
2.7
V
V
VCEsat(L) Sink Saturation Voltage
IL = 1A
(5)
IL = 2A
(5)
0.85
1.2
1.7
1.6
2.3
V
V
VCEsat
Total Drop
IL = 1A
(5)
IL = 2A
(5)
1.80
3.2
4.9
V
V
Vsens
Sensing Voltage (pins 1, 15)
–1 (1)
2
V
L298
3/13


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