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TL494C SOP-16 PWM Original Controller IC

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Original price was: ₨35.Current price is: ₨15.

The TL494 IC is a fixed frequency current-mode PWM controller IC with all the functions that are required in the construction of the pulse-width modulation (PWM) control circuit on a single chip.

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SKU: TL494CD4 Categories: , Tags: ,

Description

The TL494 IC is a fixed frequency current-mode PWM controller IC with all the functions that are required in the construction of the pulse-width modulation (PWM) control circuit on a single chip. The TL494 device incorporates all the functions required in the construction of a pulse-widthmodulation (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 singleended 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. The TL494I device is characterized for operation from –40°C to 85°C.

TL494 Specifications:

  1. Supply Voltage: 7V to 40V
  2. Number of Outputs: 2 Output
  3. Switching Frequency: 300 kHzDuty Cycle – Max: 45 %
  4. Output Voltage: 40 V
  5. Output Current: 200 mA
  6. Fall Time: 40 ns
  7. Rise Time: 100 ns
  8. Available in 16-pin PDIP, TSSOP, SOIC and SOP Packages

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