FAN4810 Fairchild Semiconductor, FAN4810 Datasheet - Page 4

• Manufacturer Part Number: FAN4810
• Description: Power Factor Correction Pfc Preregulator
• Manufacturer: Fairchild Semiconductor

FAN4810
Electrical Characteristics(Continued)
Unless otherwise specified, V
4
Symbol
OVP Comparator
Tri-Fault Detect
PFC I
GAIN Modulator
Oscillator
Reference
LIMIT
Output High Voltage
Output Low Voltage
Source Current
Sink Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect LOW
Threshold Voltage
(PFC I
Modulator Output)
Delay to Output
Gain (Note 3)
Bandwidth
Output Voltage
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
PFC Dead Time
C
Output Voltage
Line Regulation
Load Regulation
T
Comparator
Discharge Current
LIMIT
Parameter
V
TH
- Gain
CC
= 15V, R
T
= 52.3k , C
V
V
11V < V
V
V
GND
I
I
I
I
I
I
T
11V < V
Line, Temp
V
T
11V <V
0mA <I(V
T
AC
AC
AC
AC
AC
AC
A
A
A
IN
IN
FB
FB
RAMP 2
= 25°C
= 25°C, I(V
= 0°C to 70°C
= 100µA, V
= 50µA, V
= 50µA, V
= 100µA, V
= 100µA
= 350µA, V
= ±0.5V, V
= ±0.5V, V
= V
= OPEN. 470pF from V
CC
FAULT DETECT LOW
CC
CC
= 0V, V
REF
<16.5V
T
< 16.5V
< 16.5V
Conditions
= 470pF, T
) < 10mA;
RMS
RMS
REF
OUT
OUT
RMS
RMS
RMS
RAMP 1
) = 1mA
= 1.2V, V
= 1.8V, V
= 6V
= 1.5V
= V
= 3.3V, V
= 1V, V
A
FB
= 2.5V
= Operating Temperature Range (Note 1)
= 0V
to
FB
FB
FB
FB
FB
= 0V
to
= 0V
= 0V
= 0V
Min.
2.65
2.65
0.60
0.85
0.20
0.60
175
-0.9
120
350
-40
6.0
0.4
1.8
3.5
7.4
40
60
60
71
68
PRODUCT SPECIFICATION
Typ.
-104
0.65
2.75
2.75
0.80
0.30
0.75
-1.0
160
250
220
150
6.7
0.5
2.0
1.0
2.5
5.5
7.5
REV. 1.0.12 9/24/03
70
75
10
76
10
10
2
1
2
Max. Units
2.85
2.85
1.05
2.40
1.25
0.40
325
-1.1
300
650
1.0
0.6
0.9
7.5
7.6
81
84
25
20
4
MHz
kHz
kHz
mV
mV
mA
mV
mV
ms
µA
µA
dB
dB
ns
ns
%
%
V
V
V
V
V
V
V
V
V