Transcription of TL494, NCV494 SWITCHMODE Pulse Width …
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TL494, NCV494 SWITCHMODE Pulse Width …
Semiconductor Components Industries, LLC, 2005 June, 2005 Rev. 61 Publication Order Number:TL494/DTL494, NCV494 SWITCHMODE Pulse WidthModulation Control CircuitThe TL494 is a fixed frequency, Pulse Width modulation controlcircuit designed primarily for SWITCHMODE power supply Complete Pulse Width Modulation Control Circuitry On Chip Oscillator with Master or Slave Operation On Chip Error Amplifiers On Chip V Reference Adjustable Deadtime Control Uncommitted Output Transistors Rated to 500 mA Source or Sink Output Control for Push Pull or Single Ended Operation Undervoltage Lockout NCV Prefix for Automotive and Other Applications Requiring Siteand Control Changes Pb Free Packages are Available*MAXIMUM RATINGS (Full operating ambient temperature range applies,unless otherwise noted.)RatingSymbolValueUnitPower Supply VoltageVCC42 VCollector Output VoltageVC1,VC242 VCollector Output Current(Each transistor) (Note 1)IC1, IC2500mAAmplifier Input Voltage RangeVIR to +42 VPower Dissipation @ TA 45 CPD1000mWThermal Resistance, Junction to AmbientRqJA80 C/WOperating Junction TemperatureTJ125 CStorage Temperature RangeTstg 55 to +125 COperating Ambient Temperature RangeTL494 BTL494 CTL494 INCV494 BTA 40 to +1250 to +70 40 to +85 40 to +125 CDerating Ambient TemperatureTA45 CMaximum ratings are those values beyond which device damage can ratings applied to the device are individual stress limit values (notnormal o)
TL494, NCV494 http://onsemi.com 2 RECOMMENDED OPERATING CONDITIONS Characteristics Symbol Min Typ Max Unit Power Supply Voltage VCC 7.0 15 40 V Collector Output Voltage VC1, VC2 − 30 40 V
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