datasheetbank_Logo
Integrated circuits, Transistor, Semiconductors Search and Datasheet PDF Download Site

FAN7930CM View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
FAN7930CM
Fairchild
Fairchild Semiconductor Fairchild
FAN7930CM Datasheet PDF : 22 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Comparison of FAN7530 and FAN7930C
Function
FAN7530
PFC Ready Pin
None
Frequency Limit
None
VIN-Absent Detection
None
Soft-Start and
Overshoot
Prevention
THD Optimizer
TSD
None
External
None
FAN7930C
FAN7930C Advantages
ƒ No External Circuit for PFC Output UVLO
Integrated
ƒ Reduce Power Loss and BOM Cost Caused by
PFC Out UVLO Circuit
ƒ Versatile Open-Drain Pin
ƒ Abnormal CCM Operation Prohibited
Integrated
ƒ Abnormal Inductor Current Accumulation can be
Prohibited
ƒ Increase System Reliability by testing for input
Integrated
supply voltage
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
Comparison between FAN7930 and FAN7930C
Function
RDY Threshold
RDY Hysteresis
Control Range
Compensation
FAN7930
2.240V
0.600V
None
FAN7930C
2.240V
0.189V
Integrated
FAN7930C Remark
ƒ If PFC rated output voltage is assumed 390V:
FAN7930: VRDY_HIGH trigger voltage = 349V
VRDY_LOW trigger voltage = 256V
FAN7930C: VRDY_HIGH trigger voltage = 349V
VRDY_LOW trigger voltage = 320V
© 2010 Fairchild Semiconductor Corporation
FAN7930C • Rev. 1.0.0
7
www.fairchildsemi.com
 

Share Link: 

datasheetbank.com [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]