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TDA8385 - Control circuit for a Self-Oscillating Power Supply SOPS

General Description

The TDA8385 is intended to be used in combination with the opto-coupler (CNR50) as a control unit for a self-oscillating power supply.

Key Features

  • Bandgap reference generator.
  • Slow-start circuitry.
  • Low-loss peak current sensing.
  • Over-voltage protection.
  • Hysteresis controlled stand-by function.
  • Error amplifier with gain setting.
  • Programmable transfer character generator.
  • Protection against open- and short-circuited feedback loop.

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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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Philips Semiconductors Preliminary specification Control circuit for a Self-Oscillating Power Supply (SOPS) FEATURES • Bandgap reference generator • Slow-start circuitry • Low-loss peak current sensing • Over-voltage protection • Hysteresis controlled stand-by function • Error amplifier with gain setting • Programmable transfer character generator • Protection against open- and short-circuited feedback loop ORDERING INFORMATION EXTENDED TYPE NUMBER TDA8385 PACKAGE PINS 16 PIN POSITION DIL MATERIAL plastic • Over-load current fold back characteristic • LED driver • Demagnetization protection • Programmable determination of switch-on moment of switching transistor for low-switching losses • Feed-forward input • Regulation-indicator output • Programmable minimum on-time of switching transist