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PF6202A
High Voltage Startup Current-Mode
PWM Controller
Preliminary Specification Rev.P4
FEATURES
GENERAL DESCRIPTION
Almost Lossless High Voltage Startup Circuit Brown In/Out Protection in HV Pin X Cap. Discharge Function Internal Slope Compensation VCC Over Voltage Protection Open Loop Protection(80mS Delay) 3mS Soft Start Time Fixed Switching Frequency (65KHz) Frequency Spreading For Low EMI Emission OUT Clamp Function +400mA/-700mA Driving Capability Safety Regulatory Approvals
IEC60950-1:2005+A1+A2 IEC60065:2001+A1+A2
The PF6202A is a fixed frequency current−mode PWM controller. The HV pin of PF6202A builds in a high−voltage startup current source to replace the external startup resistor in order to reduce the power loss of startup circuit.