ACT411
ACT411 is Quasi-Resonant PWM Controller manufactured by Active-Semi.
- Part of the ACT411-Active comparator family.
- Part of the ACT411-Active comparator family.
ACT411 Rev 4, 27-Feb-14
Active PSRTM Quasi-Resonant PWM Controller
Features
- Patented Primary Side Regulation
Technology
- Quasi-Resonant Operation
- Adjustable up to 120k Hz Switching
Frequency
- +/-5% Output Voltage Regulation
- Accurate OCP/OLP Protection
- Integrated Output Cord pensation
- Integrated Line and Primary Inductance pensation
- Built-in Soft-Start Circuit
- Line Under-Voltage, Thermal, Output Over- voltage, Output Short Protections
- Current Sense Resistor Short Protection
- Transformer Short Winding Protection
- Less than 100m W Standby Power
- plies with Global Energy Efficiency and
CEC Average Efficiency Standards
- Tiny SOT23-6 Packages and overload conditions, it would enter auto restart mode including cycle-by-cycle current limiting.
ACT411 is to achieve no overshoot and very short rise time even with big capacitive load (4000µF) with the built-in fast and soft start process, .
The Quasi-Resonant (QR) operation mode can...