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MFG:NSC D/C:DIP
Part Number: LM18293
MFG: NSC
D/C: DIP
Description: The LM18293 is designed to drive DC loads up to one amp. Typical pplications include driving such inductive loads as
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LM18293
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DataSheet
General Description
LM18293 General Description
The LM18293 is designed to drive DC loads up to one amp. Typical pplications 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 disabled
(tied low), the corresponding outputs are forced to the
TRI-STATE condition. If the enable pins are not connected
(i.e., floating), the circuit will function as if it has been enabled.
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 designed
16 pin power DIP. The 4 center pins of this package
are tied together and form the die paddle inside the package.
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.
LM18293 Maximum Ratings
Output Drive Supply Voltage (VS) ...... .. .. 36V
Logic Supply Voltage (VSS) .. .. .. .... .. 36V
Input Voltage (VI) .. .. .. .. .. .. .. . .. 7V
Enable Voltage (VE) .. .. .. ...... .. . .. 7V
Peak Output Current (Non-Repetitive t = 5 ms) ... ..2A
Junction Temperature (TJ) a .... ...... .150°C
Thermal Resistance Junction to Case (JC) .....14°C/W
Thermal Resistance Junction to Ambient (iJA) . ..80°C/W
Internal Power Dissipation .. .... .Internally Limited
Operating Temperature Range .... . - 40°C to +125°C
Storage Temperature Range .. .... -65°C to +150°C
Lead Temperature (Solder 10 seconds) .... .. 260°C
Logic Supply Voltage (VSS) .. .. .. .... .. 36V
Input Voltage (VI) .. .. .. .. .. .. .. . .. 7V
Enable Voltage (VE) .. .. .. ...... .. . .. 7V
Peak Output Current (Non-Repetitive t = 5 ms) ... ..2A
Junction Temperature (TJ) a .... ...... .150°C
Thermal Resistance Junction to Case (JC) .....14°C/W
Thermal Resistance Junction to Ambient (iJA) . ..80°C/W
Internal Power Dissipation .. .... .Internally Limited
Operating Temperature Range .... . - 40°C to +125°C
Storage Temperature Range .. .... -65°C to +150°C
Lead Temperature (Solder 10 seconds) .... .. 260°C
LM18293 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
·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
LM18293 Connection Diagram
LM18293
PDF/DataSheet Download
- Datasheet: LM18293
- File Size: 148390 KB
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