?2006 Fairchild Semiconductor Corporation
 www.fairchildsemi.com
FAN7529 Rev. 1.0.2
6  
Electrical Characteristics (Continued)
V
CC
 = 14V and T
A
 = -40癈~125癈 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
I
source(zcd)
Source Current Capability
(3)
T
A
 = 25癈
-10
mA
I
sink(zcd)
Sink Current Capability
(3)
T
A
 = 25癈
10
mA
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癈
9.2
11.0
12.8
V
V
OL
Output Voltage Low
I
O
 = 200mA, T
A
 = 25癈
1.0
2.5
V
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
 = 100糀
11.5
13.0
14.5
V
V
O(UVLO)
Output Voltage with UVLO Activated    V
CC
 = 5V, I
O
 = 100糀
1
V
RESTART TIMER SECTION
t
d(rst)
Restart Timer Delay
50
150
300
OVER-VOLTAGE PROTECTION SECTION
V
ovp
OVP Threshold Voltage
T
A
 = 25癈
2.620    2.675    2.730
V
HY
(ovp)
OVP Hysteresis
T
A
 = 25癈
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
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