FAN4822 Datasheet, PDF (3/10 Pages) Fairchild Semiconductor – ZVS Average Current PFC Controller

PRODUCT SPECIFICATION
FAN4822
Operating Conditions
Temperature Range
FAN4822IX
Min.
–40
Max.
85
Units
°C
Electrical Characteristics
Unless otherwise specified, RT = 52.3kΩ, CT = 470pF, TA = Operating Temperature Range (Note 1)
Parameter
Conditions
Min.
Typ.
Voltage Error Amplifier
Input Voltage Range
0
Transconductance
VNON-INV = VINV, VEAO = 3.75V
50
70
Feedback Reference Voltage VEAO = VFB
2.4
2.5
Open Loop Gain
60
75
PSRR
VCCZ – 3V < VCC < VCCZ – 0.5V
60
75
Output Low
0.65
Output High
6.0
6.7
Source Current
∆VIN = ±0.5V, VOUT = 6V
–40
–80
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
80
Current Error Amplifier
Input Voltage Range
–1.5
Transconductance
VNON-INV = VINV, IEAO = 3.75V
130
195
Input Offset Voltage
±3
Open Loop Gain
60
75
PSRR
VCCZ – 3V < VCC < VCCZ – 0.5V
60
75
Output Low
0.65
Output High
6.0
6.7
Source Current
∆VIN = ±0.5V, VOUT = 6V
–30
–80
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
80
OVP Comparator
Threshold Voltage
2.6
2.7
Hysteresis
80
120
ISENSE Comparator
Threshold Voltage
–0.8
–1.0
Delay to Output
150
ZV Sense Comparator
Propagation Delay
100mV Overdrive
Threshold Voltage
7.35
7.5
Input Capacitance
6
Max. Units
7
V
120
µ
2.6
V
dB
dB
1
V
V
µA
mA
2
V
310
µ
±15
mV
dB
dB
1
V
V
µA
µA
2.8
V
150
mV
–1.15
V
300
ns
50
ns
7.65
V
pF
REV. 1.0.1 8/10/01
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