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KIA494AP - Voltage-Mode PWM Controller

Features

  • Completed PWM Power Control Circuitry.
  • Uncommitted Outputs for 200mA Sink or Source Current.
  • Output Control Selects Single-Ended or Push-Pull Operation.
  • Internal Circuitry Prohibits Double Pulse at Either Output.
  • Variable Dead Time Provides Control Over Total Range.
  • Internal Regulator Provides a Stable 5V Reference Supply With 5% Tolerance.
  • Circuit Architecture Allows Easy Synchronization.

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Full PDF Text Transcription

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KEC m SEMICONDUCTOR KIA494AP/AF TECHNICAL DATA BIPOLAR LINEAR INTEGRATED CIRCUIT Voltage-Mode PWM Controller IC The KIA494AP/AF incorporates on a single monolithic chip all the functions required in the construction of a pulse-widthmodulation control circuit. Designed primarily for power supply control, this device offers the systems engineer the flexibility to tailor the power supply control circuitry to a specific application. The KIA494AP/AF contains two error amplifiers, an on-chip adjustable oscillator, a dead-tme control(DTC) comparator, a pulse-steering control flip-flop, a 5-V, 5%-precision requlator, and output-control circuits. The error amplifiers exhibit a common-mode voltage range from -0.3V to Vcc -2V.
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