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L293B

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Push-Pull Four Channel Drivers

Quantity $ per Unit Savings
1 - 9$7.920%
10 - 24$7.1410%
25 - 40$6.8114%
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$7.92
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Parameter NameParameter Value
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius150.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack1
GradeIndustrial
Package NamePDIP 16

The L293B and L293E are quad push-pull drivers capable of delivering output currents to 1A per channel. Each channel is controlled by a TTL-compatible logic input and each pair of drivers (a full bridge) is equipped with an inhibit input which turns off all four transistors. A separate supply input is provided for the logic so that it may be run off a lower voltage to reduce dissipation.


Additionally, the L293E has external connection of sensing resistors, for switchmode control.


The L293B and L293E are package in 16 and 20-pin plastic DIPs respectively ; both use the four center pins to conduct heat to the printed circuit board.

Key features
  • OVERTEMPERATURE PROTECTION
  • OUTPUT CURRENT 1A PER CHANNEL
  • INHIBIT FACILITY
  • PEAK OUTPUT CURRENT 2A PER CHANNEL (non repetitive)
  • SEPARATE LOGIC SUPPLY
  • HIGH NOISE IMMUNITY