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L293B Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce L293B
Description  PUSH-PULL FOUR CHANNEL DRIVERS
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L293B Fiches technique(HTML) 1 Page - STMicroelectronics

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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


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