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FAN6961 Datasheet, PDF (5/13 Pages) Fairchild Semiconductor – Boundary Mode PFC Controller
Electrical Characteristics
VCC=15V and TA=25°C unless otherwise noted.
Symbol
Parameter
VCC Section
VCC-OP Continuous Operation Voltage
VCC-ON Turn-on Threshold Voltage
VCC-OFF Turn-off Threshold Voltage
ICC-ST Start-up Current
ICC-OP Operating Supply Current
VCC-OVP VDD Over-Voltage Protection Level
tD-VCCOVP VDD Over-Voltage Protection Debounce
Error Amplifier Section
VREF
Gm
Reference Voltage
Transconductance
VINVH Clamp High Feedback Voltage
VINVL Clamp Low Feedback Voltage
VOUT HIGH Output High Voltage
VOZ Zero Duty Cycle Output Voltage
VINV-OVP Over Voltage Protection for INV Input
VINV-UVP Under Voltage Protection for INV Input
Source Current
ICOMP
Sink Current
Current-Sense Section
VPK
Threshold Voltage for Peak Current Limit
Cycle-by-Cycle Limit
tPD Propagation Delay
tLEB Leading-Edge Blanking Time
Gate Section
VZ-OUT Output Voltage Maximum (Clamp)
VOL Output Voltage Low
VOH Output Voltage High
tR Rising Time
tF Falling Time
Conditions
Min. Typ. Max. Units
VCC=VCC-ON – 0.16V
VCC=12V, VCS=0V,
CL=3nF, fSW=60KHz
24.5 V
11
12
13
V
8.5 9.5 10.5 V
10
20
µA
4.5
6
mA
26.5 27.5 28.5 V
30
µs
VINV=2.35V, VCOMP=1.5V
VINV=1.5V,
VINV=2.65V, VCOMP=5V
2.475
2.25
4.8
1.15
2.70
0.40
10
550
10
2.500
125
2.65
2.30
1.25
2.75
0.45
20
800
20
2.525
2.70
1.35
2.80
0.50
V
μmho
V
V
V
V
V
V
μA
0.77 0.82 0.87 V
RMOT=24kΩ, VCOMP=5V
RMOT=24kΩ,
VCOMP=VOZ+50mV
200 ns
400 500
ns
270 350
VCC=25V
VCC=15V, IO=100mA
VCC=14V, IO=100mA
VCC=12V, CL=3nF,
20~80%
VCC=12V, CL=3nF,
80~20%
15.0 16.5 18.0 V
1.4
V
8
V
80
ns
40
ns
Continued on the following page…
© 2008 Fairchild Semiconductor Corporation
FAN6961 • Rev. 1.0.2
5
www.fairchildsemi.com