FAN6754_09 Datasheet, PDF (8/14 Pages) Fairchild Semiconductor – Highly Integrated Green- Mode PWM Controller

Electrical Characteristics (Continued)
VDD=15V and TA=25°C unless otherwise noted.
Symbol
Parameter
Feedback Input Section
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 tat 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
Over-Temperature Protection Section (OTP)
TOTP Protection Junction Temperature
TRestart Restart Junction Temperature
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. Typ. Max. Units
100 250 ns
230 280 330 ns
0.43 0.46 0.49 V
0.36 0.39 0.42 V
7
8
9
ms
86
89
92 %
1.5 V
8
V
100
ns
50
ns
9
13
17
V
9.50 10.55 11.60 KΩ
1.000 1.035 1.070 V
0.65 0.70 0.75 V
14
16
18
ms
40
51
62
110 185 260
µs
320 605 890
+135
°C
TOTP-25
°C
© 2009 Fairchild Semiconductor Corporation
FAN6754 • Rev. 1.0.1
8
www.fairchildsemi.com