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L298HN датащит (Datasheet) 1 Page - STMicroelectronics

№ деталь L298HN
подробность  DUAL FULL-BRIDGE DRIVER
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L298
Jenuary 2000
DUAL FULL-BRIDGE DRIVER
Multiw att15
O RDERING NUMBERS : L298N (Mult iwatt Vert. )
L298HN (Multiwatt Horiz. )
L298P (PowerSO20)
BLOCK DIAGRAM
.
OPERATING SUPPLY VOLTAGE UP TO 46 V
.
TOTAL DC CURRENT UP TO 4 A
.
LOW SATURATION VOLTAGE
.
OVERTEMPERATURE PROTECTION
.
LOGICAL ”0” INPUT VOLTAGE UP TO 1.5 V
(HIGH NOISE IMMUNITY)
DESCRIPTION
The L298 is an integrated monolithic circuit in a 15-
lead Multiwatt and PowerSO20 packages. It is a
high voltage, high current dual full-bridge driver de-
signed to accept standardTTL logic levels and drive
inductive loads such as relays, solenoids, DC and
stepping motors. Two enableinputs are provided to
enable or disable the deviceindependentlyof the in-
put signals. The emitters of the lower transistors of
each bridge are connected together and the corre-
sponding external terminal can be used for the con-
nectionof an externalsensing resistor. An additional
supply input is provided so that the logic works at a
lower voltage.
PowerSO20
®
1/13




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