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L298 Datasheet

  • L298

  • DUAL FULL-BRIDGE DRIVER

  • 187.39KB

  • 13頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L298
DUAL FULL-BRIDGE DRIVER
.
.
.
.
.
OPERATING SUPPLY VOLTAGE UP TO 46 V
TOTAL DC CURRENT UP TO 4 A
LOW SATURATION VOLTAGE
OVERTEMPERATURE PROTECTION
LOGICAL 鈥?鈥?INPUT VOLTAGE UP TO 1.5 V
(HIGH NOISE IMMUNITY)
Multiw att15
PowerSO20
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-
signedto accept standardTTL logic levels and drive
inductive loads such as relays, solenoids, DC and
stepping motors. Two enableinputs are provided to
enableor 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-
BLOCK DIAGRAM
O RDERING NUMBERS :
L298N (Multiwatt Vert.)
L298HN (Multiwatt Horiz.)
L298P (PowerSO20)
nectionof an externalsensing resistor. Anadditional
supply input is provided so that the logic works at a
lower voltage.
Jenuary 2000
1/13

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