FAN7930M Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

FAN7930M

Critical Conduction Mode PFC Controller

Fairchild Semiconductor 

Comparison of FAN7530 and FAN7930

Function

PFC Ready Pin

Frequency Limit

AC Absent

Detection

Soft-Start and

Overshoot-less

THD Optimizer

TSD

FAN7530

None

None

None

None

External

None

FAN7930

FAN7930 Advantages

ƒ No External Circuit for PFC Output UVLO

Integrated

ƒ Reduction of Power Loss and BOM Cost Caused

by PFC Out UVLO Circuit

ƒ Open-Drain Pin has Versatile Uses

ƒ Abnormal CCM Operation Prohibited

Integrated

ƒ Abnormal Inductor Current Accumulation can be

Prohibited

ƒ Increase System Reliability with AC On-Off Test

Integrated

ƒ Guarantee Stable Operation at Short Electric

Power Failure

ƒ Reduce Voltage and Current Stress at Startup

Integrated

ƒ Eliminate Audible Noise due to Unwanted OVP

Triggering

Internal

ƒ No External Resistor is Needed

140°C with 60°C ƒ Stable and Reliable TSD Operation

Hysteresis

ƒ Converter Temperature Range Limited Range

© 2010 Fairchild Semiconductor Corporation

FAN7930 • Rev. 1.0.1

7

www.fairchildsemi.com

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