FAN6747 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – Highly Integrated Green-Mode PWM Controller

Electrical Characteristics
VDD=15V and TA=25°C, unless otherwise specified.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
Figure 6. Normal UVLO and Two-Step UVLO Behavior
HV Section
IHV
Supply Current Drawn from HV
Pin
VHV=120V, VDD=0V
1.50
2.75
4.00
mA
VIN-OFF PWM Turn-Off Threshold
DC Source Series
R=200k to HV Pin
92
102
112
V
VIN-ON PWM Turn-On Threshold
DC Source Series
R=200k to HV Pin
104
114
124
V
∆VIN
Change in VIN, VIN-ON - VIN-OFF
DC Source Series
R=200k to HV Pin
6
12
18
V
tS-CYCLE Line Voltage Sample cycle
tS-TIME Line Voltage Sample Period
tD_VIN-OFF PWM Turn-Off Debounce Time
VFB > VFB-N
VFB < VFB-G
VFB > VFB-N
VFB < VFB-G
170
205
240
μs
450
615
780
20
μs
65
75
85
ms
180
235
290
ms
© 2009 Fairchild Semiconductor Corporation
FAN6747 • Rev. 1.0.1
Figure 7. Brownout Circuit
6
www.fairchildsemi.com