FAN4810 Datasheet, PDF (4/14 Pages) Fairchild Semiconductor – Power Factor Correction Controller

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