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FAN7930B Datasheet(PDF) 7 Page - Fairchild Semiconductor |
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FAN7930B Datasheet(HTML) 7 Page - Fairchild Semiconductor |
7 / 22 page ![]() © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7930B • Rev. 1.0.2 7 Comparison between FAN7530 and FAN7930B Function FAN7530 FAN7930B FAN7930B Advantages OVP Pin None Integrated No External Circuit for additional OVP Reduction of Power Loss and BOM Cost Caused by additional OVP Circuit Frequency Limit None Integrated Abnormal CCM Operation Prohibited Abnormal Inductor Current Accumulation can be Prohibited AC Absent Detection None Integrated Increase System Reliability with AC On-Off Test Guarantee Stable Operation at Short Electric Power Failure Soft-Start and Startup without Overshoot None Integrated Reduce Voltage and Current Stress at Startup Eliminate Audible Noise due to Unwanted OVP Triggering Control Range Compensation None Integrated Can Avoid Burst Operation at Light Load and High Input Voltage Reduce Probability of Audible Noise Due to the Burst Operation THD Optimizer External Internal No External Resistor is Needed TSD None 140°C with 60°C Hysteresis Stable and Reliable TSD Operation Converter Temperature Range Limited Range Comparison between FAN7930 and FAN7930B Function FAN7930 FAN7930B FAN7930B Remark RDY Pin Integrated None User Choice for the Use of Number #2 Pin OVP Pin None Integrated Control Range Compensation None Integrated |
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