LM494 Pulse Width Modulated Controller

National Semiconductor

Description

LM494 Pulse Width Modulated Control Circuit June 1989 LM494 Pulse Width Modulated Control Circuit General .
The LM494 is a monolithic integrated circuit which includes all the necessary building blocks for the design of pulse width modulated (PWM) switching.

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Datasheet Specifications

Part number: LM494
Manufacturer: National Semiconductor
File Size: 159.34 KB
Datasheet: LM494_NationalSemiconductor.pdf
Description: Pulse Width Modulated Controller

Features

* Y Y Y Y Y Y Y Uncommitted output transistors capable of 200 mA source or sink On-chip error amplifiers On-chip 5 0V reference Internal protection from double pulsing of outputs with narrow pulse widths or with supply voltages below specified limits Dead time control comparator Output control sele

Applications

* TL H 10056
* 10 TL H 10056
* 11 FIGURE 6 Output Connections for Single Ended and Push-Pull Configurations TL H 10056
* 12 TL H 10056
* 13 FIGURE 7 Error Amplifier Sensing Techniques TL H 10056
* 14 FIGURE 8 Slaving Two or More Control Circuits 5 Typi

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LM494 Pulse Width Modulated Controller National Semiconductor

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