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DK1203 Datasheet AC-DC Switch Mode Power controller

Manufacturer: Dongke Semiconductor

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General Description

The DK1203 is a secondary side flyback type AC-DC Switch Mode Power Controlling IC.

With integrated 700V high voltage power transistor, patented self-power supply circuit and integrated CMOS circuit design, lots of external components are saved, transformer design is simple, only two windings are needed for the transformer in isolated output circuit.

2.

Overview

-DK1203 OFF LINE SWITCH MODE POWER SUPPLY IC SPECIFICATION 1.

Key Features

  • 85V.
  • 264V wide range AC power input.
  • Internal integrated 700V high voltage power transistor.
  • Internal integrated constant high voltage current driving circuit, no need for additional resistance.
  • Self-power supply circuit design, no need for additional electricity supply to IC, so that could reduce component and cost.
  • 65KHz PWM switching frequency.
  • Standby power:.

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