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TL494CN TL494 Pulse-Width-Modulation Control Circuit DIP16
TL494CN TL494 Pulse-Width-Modulation Control Circuit DIP16

TL494CN TL494 Pulse-Width-Modulation Control Circuit DIP16

$ 2.77

Availability: 61 in stock
  • Condition: New
  • Item must be returned within: 30 Days
  • Brand: Unbranded
  • Output Type: Digital
  • Restocking Fee: No
  • All returns accepted: Returns Accepted
  • Mounting Style: Through-Hole
  • Type: Interface IC
  • Interface Type: PWM
  • Refund will be given as: Money Back
  • Return shipping will be paid by: Buyer
  • Number of Pins: 16
  • MPN: TL494

    Description

    TL494 Pulse-Width-Modulation Control Circuit
    Description
    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.
    The TL494 device contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V, 5%-precision regulator, and output-control circuits.
    The error amplifiers exhibit a common-mode voltage range from –0.3 V to VCC – 2 V. The dead-time control comparator has a fixed offset that provides approximately 5% dead time. The on-chip oscillator can be bypassed by terminating RT to the reference output and providing a sawtooth input to CT, or it can drive the common circuits in synchronous multiple-rail power supplies.
    The uncommitted output transistors provide either common-emitter or emitter-follower output capability. The TL494 device provides for push-pull or single-ended output operation, which can be selected through the output-control function. The architecture of this device prohibits the possibility of either output being pulsed twice during push-pull operation.
    The TL494C device is characterized for operation from 0°C to 70°C
    Features
    Complete 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 5-V Reference Supply With 5% Tolerance
    Circuit Architecture Allows Easy Synchronization
    TERMS OF SALE
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    APO/FPO ships at domestic rates.
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