FAN4800I Fairchild Semiconductor, FAN4800I Datasheet - Page 5

• Manufacturer Part Number: FAN4800I
• Description: The FAN4800 is a controller for power-factor-corrected, switched-mode power supplies
• Manufacturer: Fairchild Semiconductor

FAN4800 Rev. 1.0.6
© 2005 Fairchild Semiconductor Corporation
Electrical Characteristics
Unless otherwise stated, these specifications apply: V
HY(V
VOLTAGE ERROR AMPLIFIER
CURRENT ERROR AMPLIFIER
PFC OVP COMPARATOR
LOW-POWER DETECT COMPARATOR
VCC OVP COMPARATOR
TRI-FAULT DETECT
V
I
V
Symbol
I
V
I
HY(ovp)
V
source
I
PSRR1
PSRR2
b
I
I
source
ref
EAO
V
V
EAO
I
CC_OVP
sink
V
EAO
(V
EAO
Vovp
sink
gm1
gm2
I
F(L)
V
t
beao
th
G
offset
IEAO
CC_OVP
d(F)
(PFC)
Gi
FB
EAO
(lp)
V
(V)
(H)
(L)
(I)
(H)
(L)
(V)
(I)
)
) Hysteresis
Input Voltage Range
Transconductance
Feedback Reference Voltage
Input Bias Current
Output High-Voltage
Output Low-Voltage
Sink Current
Source Current
Open-Loop Gain
Power Supply Rejection Ratio
Input Voltage Range
Transconductance
Input Offset Voltage
Input Bias Current
Output High-Voltage
Output Low-Voltage
Sink Current
Source Current
Open-Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Threshold Voltage
Threshold Voltage
Time to Fault Detect HIGH
Fault Detect LOW
Parameter
(1)(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
T
T
V
T
V
11V < V
T
I
I
11V < V
T
T
T
T
T
V
V
to GND
SENSE
SENSE
CC
A
A
A
A
A
A
A
A
A
EAO
EAO
FB
FB
= 25°C
= 25°C, V
= 25°C, V
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 15V, R
= V
= Open. 470pF from V
5
= 6.0V
= 1.5V
= +0.5, I
= -0.5, I
Fault
CC
CC
Condition
< 16.5V
< 16.5V
Detect LOW to
T
FB
FB
= 52.3KΩ, C
EAO
EAO
= 3V,
= 1.5V
= 1.5V
= 4.0V
T
FB
= 470pF, and T
Min.
-1.00
2.45
4.00
2.70
0.15
17.5
1.40
-1.5
230
5.8
0.4
50
30
50
50
50
35
60
60
-1
0
Typ.
-0.05
2.50
4.25
2.78
0.30
17.9
1.50
A
6.0
0.1
-35
1.0
-65
0.5
70
40
60
60
85
75
70
75
2
= -40°C to 125°C.
Max.
2.55
2.90
0.40
18.5
1.65
100
350
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0.4
-20
0.7
1.2
-35
0.6
90
25
6
4
µmho
µmho
Unit
mA
mV
mV
ms
µA
µA
dB
dB
µA
µA
µA
dB
dB
V
V
V
V
V
V
V
V
V
V
V
V