Critical conduction mode power factor correction control chip
Ultra-low standby power consumption (25mW@115Vac, 39mW@230Vac): Complies with CoC V5 Tier2 and DoE VI without PFC disablement
Wide bus voltage input range (85～265Vac)
CRM and DCM operating modes
Valley switching
Output voltage segmentation function: (400Vdc@AC＞170V, 264Vdc@AC＜146V)
Demagnetization detection without auxiliary winding
Input power compensation
Built-in multiple protection functions: VCC under-voltage protection, output over-current protection, output under-voltage & over-voltage protection, over-temperature protection, bypass diode short-circuit protection, and RCS resistor open-circuit protection
SOP7 package
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| Parameter | Symbol | Min | Max | Unit |
| VCC Pin Voltage Rating | VCC | -0.5 | 36 | V |
| GATE Pin Voltage Rating | GT | -0.5 | 18 | V |
| CS Pin Voltage Rating | CS | -0.5 | 8.5 | V |
| FB Pin Voltage Rating | FB | -0.5 | 8.5 | V |
| HV Pin Voltage Rating | HV | -2 | 700 | V |
| COMP Pin Voltage Rating | COMP | -0.5 | 8.5 | V |
| Storage Temperature Range | TSTG | -55 | 150 | ℃ |
| Operating Junction Temperature | TJ | -40 | 150 | ℃ |
| Soldering Temperature | TW | 260/5S | ℃ | |
| ESD | HBM (Excluding HV Pin) | ±2000 | V | |
| HBM (HV Pin) | ±1000 | V | ||
| CDM | ±500 | V |
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