DK125
DESCRIPTION
The DK125 is a secondary side fly-back type AC-DC Switch Mode Power Controlling IC. Designed with high integration CMOS circuit, it has protection functions for short circuit, secondary side open circuit, over temperature, over voltage and so on. With built-in HV power transistor and patented Self-Power supply circuit, it has the characteristics of saving external ponents, simple transformer design with only two windings in isolated output circuit, etc.
2. APPLICATIONS
- Battery charger
- Power AC/DC adapters
- STB power supply
- Electromagnetic oven power supply
- DVD/VCD/VCR power supply
- Air conditioner power supply
- LED driver applications
- TV/Monitor power supply
3. MAIN FEATURES
- 90V- 265V wide range AC power input.
- Built-in 700V HV BJT
- Internal integrated high voltage starting circuit, no need for additional resistance
- Burst mode (22k Hz Intermittent operation mode)
- Standby power consumption < 0.3W
- 65KHz PWM switching frequency
- 4KV ESD
- Internal power pensation...
Representative DK125 image (package may vary by manufacturer)
