L298 Dual Full Bridge Driver


The L298 is an integrated monolithic circuit in a 15- lead Multiwatt and Power SO20 packages. It is a high voltage, high current dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors. Two enable inputs are provided to enable or disable the device independently of the input signals. The emitters of the lower transistors of each bridge are connected together and the corresponding external terminal can be used for the connection of an external sensing resistor. An additional supply input is provided so that the logic works at a lower voltage.

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  • Power Supply VS: 50 Volts
  • Logic Supply Voltage VSS 7 Volts
  • Input and Enable Voltage VI,Ven –0.3 to 7 V
  • Sensing Voltage Vsens –1 to 2.3 V
  • Total Power Dissipation Ptot (Tcase = 75°C) 25 W
  • Junction Operating Temperature Top –25 to 130°C
  • Storage and Junction Temperature Tstg, Tj –40 to 150°C


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