The DK1203 SMPS IC is a high-performance monolithic switch-mode power controller IC designed for low-power offline AC-DC applications. It combines a PWM controller with a built-in high-voltage power MOSFET in a compact DIP-8 package, making it ideal for small and efficient SMPS designs. It features low standby power, frequency jittering to reduce EMI, and integrated protection functions, making it a reliable solution for chargers, LED drivers, and auxiliary power supplies.

Features :

1. Integrated PWM controller with high-voltage MOSFET
2. Wide input voltage range (85V–265V AC)
3. Low standby power for energy-efficient designs
4. Frequency jittering function to reduce EMI
5. Built-in over-voltage, over-current, and thermal protection
6. Internal startup and feedback circuitry
7. DIP-8 through-hole package for easy prototyping and soldering

Specifications :

• Model: DK1203
• Input Voltage: 85V – 265V AC
• Output Type: PWM Switching
• Package: DIP-8
• Package Pitch: 10.16mm
• Switching Frequency: ~65kHz (typical, with jitter)
• MOSFET Voltage Rating: Up to 700V
• Application: AC-DC SMPS control

Package Includes:

1 × DK1203 AC-DC Switch Mode Power Controlling DIP-8 IC