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TDA4700 - Switched-Mode Power Supplies

General Description

Voltage Controlled Oscillator (VCO) The VCO generates a sawtooth voltage.

The duration of the falling edge is determined by the value of CT.

The duration of the rising edge of the waveform and, therefore, approximately the frequency, is determined by the value of RT.

Key Features

  • q q q q q q q q Feed-forward control (line hum suppression) Symmetry inputs for push-pull converter (TDA 4700) Push-pull outputs Dynamic output current limitation Overvoltage protection Undervoltage protection Soft start Double pulse suppression P-DIP-24-1 Type TDA 4700 A s TDA 4718 A Ordering Code Q67000-Y594 Q67000-Y639 Package P-DIP-24-1 P-DIP-18-1 Temp. -Range.
  • 0 to 70 °C.
  • 0 to 70 °C P-DIP-18-1 s Not for new design These versatile SMPS control ICs comprise digital and.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Control IC for Single-Ended and Push-Pull Switched-Mode Power Supplies (SMPS) TDA 4700 TDA 4718 Features q q q q q q q q Feed-forward control (line hum suppression) Symmetry inputs for push-pull converter (TDA 4700) Push-pull outputs Dynamic output current limitation Overvoltage protection Undervoltage protection Soft start Double pulse suppression P-DIP-24-1 Type TDA 4700 A s TDA 4718 A Ordering Code Q67000-Y594 Q67000-Y639 Package P-DIP-24-1 P-DIP-18-1 Temp.-Range – 0 to 70 °C – 0 to 70 °C P-DIP-18-1 s Not for new design These versatile SMPS control ICs comprise digital and analog functions which are required to design highquality flyback, single-ended and push-pull converters in normal, half-bridge and full-bridge configurations.