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L293B Fiches technique(PDF) 1 Page - STMicroelectronics |
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L293B Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 12 page L293B L293E April 1993 PUSH-PULL FOUR CHANNEL DRIVERS . OUTPUT CURRENT 1A PER CHANNEL . PEAK OUTPUT CURRENT 2A PER CHANNEL (non repetitive) . INHIBIT FACILITY . HIGH NOISE IMMUNITY . SEPARATE LOGIC SUPPLY . OVERTEMPERATURE PROTECTION DESCRIPTION The L293B and L293E are quad push-pull drivers capableof delivering output currents to 1A per chan- nel. Each channel is controlledby 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 L293Band 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. POWERDIP (16 + 2+ 2) ORDERING NUMBER : L293E DIP16 ORDERING NUMBER : L293B PIN CONNECTIONS DIP16 - L293B POWERDIP (16+2+2) - L293E 1/12 |
Numéro de pièce similaire - L293B |
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Description similaire - L293B |
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