DK3113 is a power management chip used in variety of ac to dc power supplies used in different devices.

• Part Number: DK3113
• Maker: Shenzhen Dongke Semiconductor Co, LTD
• Energy Star 2.0 standard
•  85V—265V wide range AC power input.
• 65KHz Oscillation Frequency.
• Double chip design with Bipolar Junction Transistor (BJT) to save cost.
• Large scale MOS digital circuit design with E pole BJT driving, so that to enhance its High Voltage Resistance capability.
• Self-power supply design, no need for additional IC to supply the electricity.
• Internal integrated constant high voltage current driving circuit, no need for additional resistance.
• Over current, Over loading, Over temperature, Over voltage, Output short circuit and photo-coupler Failure Protection.
• Internal Ramp Compensation circuit to keep the stability of the circuit in low voltage and high power condition.
• Internal PMW oscillation circuit with Frequency jittering control to keep EMC characteristics.
• Internal Frequency Conversion. Frequency-down in low load condition, comply with the Europe Standard (stand power<0.3W), also reduce the output voltage ripple.
• Ramp current drive circuit included to reduce IC power loss and raise circuit efficiency.
• 4KV Anti-Static ESD test.

Package Includes

• 1 x DK3113 High Performance Switch Mode Power Controller IC