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LM18293

LM18293
型号:LM18293
品牌:NS NS
批号:13+RoHs
封装:DIP
原价:7
数量:78005
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详细描述

LM18293

Four Channel Push-Pull Driver
 
 
General Description
The LM18293 is designed to drive DC loads up to one amp.
Typical applications include driving such inductive loads as
solenoids, relays and stepper motors along with driving
switching power transistors and use as a buffer for low level
logic signals. The four inputs accept standard TTL and DTL
levels for ease of interfacing. Two enable pins are provided
that also accept the standard TTL and DTL levels. Each
enable controls 2 channels and when an enable pin is dis-
abled (tied low), the corresponding outputs are forced to the
TRI-STATEÉ condition. If the enable pins are not connected
(i.e., floating), the circuit will function as if it has been en-abled. Separate pins are provided for the main power supply
(pin 8), and the logic supply (pin 16). This allows a lower
voltage to be used to bias up the logic resulting in reduced
power dissipation. The chip is packaged in a specially de-signed 16 pin power DIP. The 4 center pins of this package
are tied together and form the die paddle inside the pack-
age. This provides much better heat sinking capability than
most other DIP packages available. The device is capable
of operating at voltages up to 36 volts.
 
 
 
Features
1A output current capability per channel
Pin for pin replacement for L293B
Special 16 pin power DIP package
36 volt operation
Internal thermal overload protection
Logical ``0'' input voltage up to 1.5 volts results in high
noise immunity
 
 
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