FAN6920MR Fairchild Semiconductor, FAN6920MR Datasheet - Page 8

• Manufacturer Part Number: FAN6920MR
• Description: The highly integrated FAN6920MR combines Power Factor Correction (PFC) controller and quasi-resonant PWM controller
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN6920MR • Rev. 1.0.5
Electrical Characteristics
V
PFC STAGE
Voltage Error Amplifier Section
V
I
V
DD
COMP-BURST
HYST-PWMON
V
Symbol
V
V
INV-PWMON
V
V
t
t
V
V
COMP-BO
=15V, T
V
INV-OVP
INV-UVP
V
I
INV-OVP
INV-UVP
COMP-H
V
COMP-L
COMP
Gm
INV-BO
V
RATIO
INV-H
INV-L
REF
OZ
A
=-40°C ~105°C (T
Transconductance
Feedback Comparator Reference
Voltage
Clamp High Feedback Voltage
Clamp High Output Voltage Ratio
Clamp Low Feedback Voltage
Over-Voltage Protection for INV
Input
Over-Voltage Protection Debounce
Time
Under-Voltage Protection for INV
Input
PWM ON Threshold Voltage on INV
Pin
Hysteresis for PWM ON Threshold
Voltage on INV Pin
Under-Voltage Protection Debounce
Time
PWM and PFC Off Threshold for
Brownout Protection
Limited Voltage on COMP Pin for
Brownout Protection
Internal Bias Current for PFC Burst
Mode
Comparator Output High Voltage
Comparator Output High Voltage at
PFC Burst Mode
Comparator Output Low Voltage at
PFC Burst Mode
Zero Duty Cycle Voltage on COMP
Pin
Comparator Output Source Current
Comparator Output Sink Current
Parameter
A
=T
(4)
J
), unless otherwise specified.
(Continued)
(4)
RANGE = Open
RANGE = Ground
V
RANGE = Open
V
RANGE = Ground
RANGE = Open
RANGE = Ground
V
V
V
RANGE = Open,
V
V
V
RANGE = Open,
V
RANGE = Ground,
V
INV-H
INV-H
FB
FB
FB
FB
INV
INV
INV
INV
= 1.3V, V
= 1.3V, V
= 1.3V, V
= 1.3V
= 2.3V, V
= 1.5V
= 2.75V, V
= 2.65V, V
8
Conditions
/ V
/ V
REF
REF
,
,
VIN
VIN
VIN
COMP
COMP
COMP
= 2V
= 1.2V
= 1.6V
= 1.5V
= 5V
= 5V
PWMON
2.465
Min.
V
2.70
2.60
1.06
1.04
2.25
0.35
1.15
1.55
4.80
2.20
2.00
1.80
1.10
0.50
100
-1.6
120
Continued on the following page…
2.2
0.9
50
50
15
20
20
INV-
PWMON
2.500
Typ.
2.75
2.65
2.35
2.90
2.75
0.45
V
1.20
1.60
2.30
2.10
1.90
1.25
0.75
-1.5
125
150
2.3
1.0
70
70
30
30
30
INV-
PWMON
Max.
2.535
2.80
2.70
1.14
1.08
2.45
2.95
2.80
0.55
V
1.25
1.65
5.20
2.40
2.20
2.00
1.40
1.00
150
-1.4
180
2.4
1.1
90
90
45
40
40
INV-
www.fairchildsemi.com
Units
µmho
V/V
mA
µA
µA
µA
µs
µs
V
V
V
V
V
V
V
V
V
V
V
V