ORDERING NUMBERS : L298N (Mult iwatt Vert. )
L298HN (Multiwatt Horiz. )
L298P (PowerSO20)
BLOCK DIAGRAM
..OPERATINGSUPPLY VOLTAGEUP TO 46 V .TOTAL DC CURRENT UP TO 4 A .LOWSATURATION VOLTAGE .OVERTEMPERATURE PROTECTION LOGICAL ”0” INPUT VOLT

PIN FUNCTIONS (refer to the block diagram)
MW.15 PowerSO Name Function
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.
4 6 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; EnableB 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 Conditions Min. Typ. Max. Unit
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 mA
IiH High Voltage Input Current
(pins 5, 7, 10, 12)
Vi = H 3 VSS –0.6V 30 100 mA
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 mA
Ien = H High Voltage Enable Current
(pins 6, 11)
Ven = H 3 VSS –0.6V 30 100 mA
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