Part # LM18298 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: LM18298 Dual Full-Bridge Driver

Part Details:

LM18298 April 1992 Dual LM18298 Dual Full-Bridge Driver General Description Features Full-Bridge The LM18298 is a high voltage high current dual full-bridge Y Power supply voltage up to 46V driver designed to accept standard TTL logic levels and Y 2A output per channel drive inductive loads such as relays solenoids DC and Y Low saturation voltage stepping motors Two enable inputs are provided to gate the Y Thermal shutdown protection input control signals Y Logical ``0 input voltage up to 1 5V The emitters of the lower transistors of each bridge are con- (High noise immunity) nected together and the corresponding external terminal Y Pin for pin replacement for L298N can be used for the connection of a current sensing resistor Driver An additional supply input is provided to accommodate con- Applications ventional logic supply voltages Y DC and stepper motor drivers Y Relay and solenoid drivers Block Connection Diagrams 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 Sense Voltage (Pins 1 15) b1 to a2 3V please contact the National Semiconductor Sales Power Dissipation (Note 2) 25W Office Distributors for availability and specifications ESD Susceptibility (Note 3)

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LM18298.pdf Datasheet