FAN6921MR Fairchild Semiconductor, FAN6921MR Datasheet - Page 9

• Manufacturer Part Number: FAN6921MR
• Description: The highly integrated FAN6921MR combines Power Factor Correction (PFC) controller and Quasi-Resonant PWM controller
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN6921MR Rev. 1.0.2
Electrical Characteristics
V
PFC Output Section
PFC Zero Current Detection Section
t
DD
RESTART-PFC
Symbol
V
V
V
V
V
t
=15V, T
ZCD-HYST
ZCD-HIGH
ZCD-LOW
t
ZCD-DIS
ZCD-SSC
V
t
ZCD-DIS
DELAY
V
V
INHIB
V
t
t
ZCD
OH
OL
R
F
Z
A
=-40°C ~105°C (T
PFC Gate Output Clamping
Voltage
PFC Gate Output Voltage Low
PFC Gate Output Voltage High
PFC Gate Output Rising Time
PFC Gate Output Falling Time
Input Threshold Voltage Rising
Edge
Threshold Voltage Hysteresis
Upper Clamp Voltage
Lower Clamp Voltage
Starting Source Current
Threshold Voltage
Maximum Delay from ZCD to
Output Turn-On
Restart Time
Inhibit Time (Maximum Switching
Frequency Limit)
PFC Enable/ Disable Function
Threshold Voltage
PFC Enable/ Disable Function
Debounce Time
Parameter
A
=T
J
), unless otherwise specified.
(Continued)
V
V
V
V
20~80%
V
80~20%
V
V
I
V
V
V
ZCD
DD
DD
DD
DD
DD
ZCD
ZCD
COMP
COMP
ZCD
= 25V
=15V, I
=15V, I
=12V, C
=12V, C
=3mA
=100mV
Conditions
Increasing
Decreasing
=5V, f
=5V
9
O
O
L
L
=100mA
=100mA
S
=3nF,
=3nF,
=60kHz
Min.
14.0
0.25
0.15
100
300
100
1.9
0.4
1.3
1.5
30
30
8
8
Continued on the following page…
Typ.
15.5
0.35
0.65
500
150
2.1
1.4
2.5
0.2
65
50
10
Max.
17.0
0.45
0.25
100
200
700
200
1.5
2.3
0.9
1.5
3.5
70
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Units
ns
ns
ns
µs
µs
µs
V
V
V
V
V
V
V
V
V