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