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TL494

XBLW TL494是一款開關(guān)式脈沖寬度調(diào)控電路,主要用于開關(guān)式電源控制。采用DIP16、SOP16封裝形式,具有完善的脈寬調(diào)控電路,雙誤差放大器,5V參考電源,可調(diào)死區(qū)控制,獨(dú)立的輸出晶體管（源流或陷流200mA）,支持推挽式或單端式輸出控制。

Descriptions TheTL494isusedforthecontrolcircuitofthePwMswitchingregulator.TheTL494consistsof5Vreferencevoltagecircuit,twoerroramplifiers,afipfop,anoutputcontrolcircuit,aPWMcomparator,adeadtimecomparatorandanoscillator. Feature CompletePWMPower-Control

TL494

SMPS Controller

Description TheTL494isusedforthecontrolcircuitofthePWMswitchingregulator.TheTL494consistsof5Vreferencevoltagecircuit,twoerroramplifiers,flipflop,anoutputcontrolcircuit,aPWMcomparator,adeadtimecomparatorandanoscillator.Thisdevicecanbeoperatedinthe

TL494

Pulse-Width-Modulation Control Circuits

DESCRIPTION TheTL494incorporateonasinglemonolithicchipallthefunctionsrequiredintheconstructionofapulse-width-modulationcontrol,thesedevicesofferthesystemsengineertheflexibilitytotailorthepowersupplycontrolcircuitrytohisapplication. FEATURES ●CompletePWMPow

TL494

Switchmode Pulse Width Modulation Control Circuits

TheTL494isafixedfrequency,pulsewidthmodulationcontrolcircuitdesignedprimarilyforSWITCHMODEpowersupplycontrol.Thisdevicefeatures: ?CompletePulseWidthModulationControlCircuitry ?On–ChipOscillatorWithMasterOrSlaveOperation ?On–ChipErrorAmplifiers ?On–Chip5V

TL494

SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT

TheTL494isafixedfrequency,pulsewidthmodulationcontrolcircuitdesignedprimarilyforSWITCHMODEpowersupplycontrol. 1.CompletePulseWidthModulationControlCircuitry 2.On–ChipOscillatorwithMasterorSlaveOperation 3.On–ChipErrorAmplifiers 4.On–Chi

TL494

SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT

TheTL494isafixedfrequency,pulsewidthmodulationcontrolcircuitdesignedprimarilyforSWITCHMODEpowersupplycontrol. Features ?CompletePulseWidthModulationControlCircuitry ?On?ChipOscillatorwithMasterorSlaveOperation ?On?ChipErrorAmplifiers ?On?Chip5.0VReference

TL494

Switch mode Pulse Width Modulation Control Circuit

TheTL494isafixedfrequency,pulsewidthmodulationcontrol circuitdesignedprimarilyforswitchmodepowersupplycontrol. Features ?CompletePulseWidthModulationControlCircuitry ?On?ChipOscillatorwithMasterorSlaveOperation ?On?ChipErrorAmplifiers ?On?Chip5.0VRefere

TL494

Pulse-Width-Modulation Control Circuits

1Features ?CompletePWMPower-ControlCircuitry ?UncommittedOutputsfor200-mASinkor SourceCurrent ?OutputControlSelectsSingle-Endedor Push-PullOperation ?InternalCircuitryProhibitsDoublePulseat EitherOutput ?VariableDeadTimeProvidesControlOver TotalRange ?Int

TL494

VOLTAGE MODE PWM CONTROL CIRCUIT

The UTC?TL494 incorporates all the functions required in the construction of a pulse-width modulation switching circuit. Designed primarily for switching power supply control or DC-DC convectors, it offers the systems engineer the flexibility to tailor control circuitry to its own application.; ? Complete PWM power control circuitry \n? Uncommitted outputs for 200mA sink or source current \n? Output control selects single ended or push pull operation \n? Internal circuitry prohibits double pulses over total range \n? Easy synchronization;

TL494

40V、0.2A 300KHz PWM 控制器

The TL494 device incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application.\n\n; ? Complete PWM Power-Control Circuitry \n? Uncommitted Outputs for 200-mA Sink or Source Current\n? Output Control Selects Single-Ended or Push-Pull Operation\n? Internal Circuitry Prohibits Double Pulse at Either Output\n? Variable Dead Time Provides Control Over Total Range\n? Internal Regulat;