L293B datasheet(1/12 Pages) STMICROELECTRONICS

Numer części	L293B

Szczegółowy opis	PUSH-PULL FOUR CHANNEL DRIVERS

PDF	12 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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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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