Data Sheet

FAN7529 Critical Conduction Mode PFC Controller
© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN7529 Rev. 1.0.2 6
Electrical Characteristics (Continued)
V
CC
= 14V and T
A
= -40°C~125°C unless otherwise specified.
Note:
3. These parameters, although guaranteed by design, are not tested in production.
Symbol Parameter Condition Min. Typ. Max. Unit
ZERO CURRENT DETECT SECTION
V
th(ZCD)
Input Voltage Threshold
(3)
1.35 1.50 1.65 V
HY
(ZCD)
Detect Hysteresis
(3)
0.05 0.10 0.15 V
V
clamp(H)
Input High Clamp Voltage I
det
= 3mA 6.0 6.7 7.4 V
V
clamp(L)
Input Low Clamp Voltage I
det
= -3mA 0 0.65 1.00 V
I
b(ZCD)
Input Bias Current V
ZCD
= 1V ~ 5V -1.0 -0.1 1.0 µA
I
source(zcd)
Source Current Capability
(3)
T
A
= 25°C-10mA
I
sink(zcd)
Sink Current Capability
(3)
T
A
= 25°C10mA
t
dead
Maximum Delay from ZCD to Output
Turn-on
(3)
dV/dt = -1V/100ns,
from 5V to 0V
100 200 ns
OUTPUT SECTION
V
OH
Output Voltage High I
O
= -100mA, T
A
= 25°C 9.2 11.0 12.8 V
V
OL
Output Voltage Low I
O
= 200mA, T
A
= 25°C1.02.5V
t
r
Rising Time
(3)
Cl = 1nF 50 100 ns
t
f
Falling Time
(3)
Cl = 1nF 50 100 ns
V
O(max)
Maximum Output Voltage V
CC
= 20V, I
O
= 100μA 11.5 13.0 14.5 V
V
O(UVLO)
Output Voltage with UVLO Activated V
CC
= 5V, I
O
= 100μA1V
RESTART TIMER SECTION
t
d(rst)
Restart Timer Delay 50 150 300 µs
OVER-VOLTAGE PROTECTION SECTION
V
ovp
OVP Threshold Voltage T
A
= 25°C 2.620 2.675 2.730 V
HY
(ovp)
OVP Hysteresis T
A
= 25°C 0.120 0.175 0.230 V
ENABLE SECTION
V
th(en)
Enable Threshold Voltage 0.40 0.45 0.50 V
HY
(en)
Enable Hysteresis 0.05 0.10 0.15 V