FAN4822 Fairchild Semiconductor, FAN4822 Datasheet - Page 4

• Manufacturer Part Number: FAN4822
• Description: ZVS Average Current PFC Controller
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
Unless otherwise specified, R
FAN4822
4
Gain Modulator
Gain (Note 2)
Bandwidth
Output Voltage
Oscillator
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
Dead Time
C
Reference
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Variation
Long Term Stability
Short Circuit Current
PFC Comparator
Minimum Duty Cycle
Maximum Duty Cycle
MOSFET Driver Outputs
Output Low Voltage
Output High Voltage
Output Rise/Fall Time
Undervoltage Lockout
Threshold Voltage
Hysteresis
T
Discharge Current
Parameter
T
= 52.3k , C
I
V
I
V
I
V
I
V
I
V
250 A
T
V
Line, temperature
T
V
1mA < I
Line, load, and temperature
T
V
V
V
I
I
I
I
I
C
IAC
IAC
IAC
IAC
IAC
OUT
OUT
OUT
OUT
OUT
A
A
j
FB
FB
FB
FB
FB
CCZ
CCZ
CC
IEAO
IEAO
L
= 125°C, 1000 hours
= 25°C
= 25°C, I
= 1000pF
= 100mA, V
= 50mA, V
= 100 A, V
= 100 A, V
= 250 A
= 0V
= 0V
= 0V
= 0V
= 0V, V
< V
= –20mA
= –100mA
= –10mA, V
= 20mA
= 100mA
(Continued)
– 3V < V
– 3V < V
T
> 6.7V
< 1.2V
REF
= 470pF, T
CCZ
, < 20mA
VRMS
REF
Conditions
– 0.5V, V
CC
CC
VRMS
VRMS
VRMS
VRMS
= 1mA
CC
A
= 1.15V, I
< V
< V
= Operating Temperature Range (Note 1)
= 8V
= 1.2V,
CCZ
CCZ
= 1.8V,
= 3.3V,
REF
= 0V,
– 0.5V
– 0.5V
= 0V
IAC
=
V
Min.
0.36
1.20
0.55
0.14
0.72
7.35
CCZ
100
–15
4.5
7.4
9.5
0.9
2.4
74
72
90
9
–
V
CCZ
Typ.
0.51
1.72
0.78
0.20
10.3
10.3
300
–40
0.8
2.5
7.5
7.5
0.4
0.4
1.5
0.8
0.6
2.9
10
80
95
40
1
2
2
2
5
PRODUCT SPECIFICATION
–
V
CCZ
Max.
7.65
–100
0.66
2.24
1.01
0.26
3.45
REV. 1.0.1 8/10/01
450
7.6
1.0
3.5
0.2
0.9
9.5
10
1.5
89
87
15
25
0
–
Units
MHz
kHz
kHz
mA
mV
mV
mA
mV
ns
%
ns
V
%
%
%
%
V
V
V
V
V
V
V
V
V
V