FAN6754_10 Datasheet, PDF (7/14 Pages) Fairchild Semiconductor – Highly Integrated Green- Mode PWM Controller

Electrical Characteristics (Continued)
VDD=15V and TA=25°C unless otherwise noted.
Symbol
Parameter
Current-Sense Section
tPD Delay to Output
tLEB Leading Edge Blanking Time
VLimit-L Current Limit at Low Line (VAC=86V)
VLimit-H Current Limit at High Line (VAC=259V)
tSS Period During Soft-Start Time
GATE Section
DCYMAX Maximum Duty Cycle
VGATE-L Gate Low Voltage
VGATE-H Gate High Voltage
tr
Gate Rising Time
tf
Gate Falling Time
VGATE- _{Gate Output Clamping Voltage}
CLAMP
RT Section
RRT Internal Resistor from RT Pin
VRTTH1
VRTTH2
Over-Temperature Protection Threshold
Voltage
tD-OTP1
Over-Temperature Latch-Off Debounce
tD-OTP2
Conditions
VDC=122V, Series R=200kΩ
to HV
VDC=366V, Series R=200kΩ
to HV
Startup Time
VDD=15V, IO=50mA
VDD=12V, IO=50mA
VDD=15V, CL=1nF
VDD=15V, CL=1nF
VDD=22V
0.7V ＜ VRT ＜ 1.05V, after
12ms Latch Off
VRT ＜ 0.7V, After 100µs
Latch Off
VRTTH2 ＜ VRT ＜ VRTTH1
FB > VFB-N
VRTTH2 ＜ VRT ＜ VRTTH1
FB < VFB-G
VRT< VRTTH2, FB > VFB-N
VRT< VRTTH2, FB < VFB-G
Min.
230
0.43
0.36
7
86
8
9
9.50
1.000
0.65
14
40
110
320
Typ.
100
280
0.46
0.39
8
89
100
50
13
10.55
1.035
0.70
16
51
185
605
Max. Units
250 ns
330 ns
0.49 V
0.42 V
9
ms
92 %
1.5 V
V
ns
ns
17
V
11.60 KΩ
1.070 V
0.75 V
18
ms
62
260
µs
890
© 2010 Fairchild Semiconductor Corporation
FAN6754 • Rev. 1.0.2
7
www.fairchildsemi.com