• Support Voltage Mode Control and Peak Current Mode Control
• Integrated 120V High Voltage Startup Circuit
• Programmable Soft Start
• Programmable Oscillator with a 1MHz Maximum Frequency
• Programmable Maximum Duty Ratio Clamp
• Adaptive delay time Control for Improved Efficiency
• Line voltage under voltage protection
• Cycle by Cycle Peak Current Limiting
• Over current Protection
• Short Circuit Protection
• External Over temperature Protection
• Package：QFN4x4-24

SY26625 is a highly integrated dual mode active clamp PWM controller targeting high density, high performance and small to medium power level isolated dc-dc converters for use in telecom industries. It can be configured in either voltage mode control or peak current mode control. The controller includes the logic and the drive capability for the P channel auxiliary switch along with a simple method of programming the critical delays for proper active clamp operation.