LM18298 Datasheet | National Semiconductor

Description The LM18298 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 gate the input control 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 a current sensing resistor An additional supply input is provided to acmodate conventional logic supply voltages Features Y Y Y Y Y Power supply voltage up to 46V 2A output per channel Low saturation voltage Thermal shutdown protection Logical ‘‘0’’ input voltage up to 1 5V (High noise immunity) Pin for pin replacement for L298N Applications DC and stepper motor drivers Relay and solenoid drivers Block Connection Diagrams Data Shee . TL H 9302 - 1 TL H 9302 - 2 TO 220-15 Order Number LM18298T NS Package Number TA15A C1995 National Semiconductor Corporation TL H 9302 RRD-B30M115 Printed in U S A . .. Absolute Maximum Ratings (Note 1) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Main Supply (Pin 4) Logic Supply (Pin 9) Logic Inputs (Pins 5 6 7 10 11 12) Peak Output Current (Per Channel) Non-Repetitive (t e 100 ms) Repetitive (80% duty cycle t ON e 10 ms) DC Operation 50V 7V b 0 3 to 7V Sense Voltage (Pins 1 15) Power Dissipation (Note 2) b 1 to a 2 3V 25W ESD Susceptibility (Note 3) 1 k V Lead Temperature (Soldering 10 seconds) 260 C b 65 C to a 150 C Storage Temperature Range Operating Ratings Junction Temperature Range (TJ) Main Supply (Pin 4) b 40 C to a 150 C 3A 2 5A 2A 46V Electrical Characteristics VS e 42V VSS e 5V IO e 0A TJ e 25 C L e 0V H e 5V unless otherwise specified Symbol VS Parameter Main Supply Voltage (Pin 4) Conditions Typical (Note 4) Limit (Note 5) VSS a 2 5 46 VSS Logic Supply Voltage (Pin 9) 45 7 IS...