FAN6921ML Datasheet, PDF (7/23 Pages) Fairchild Semiconductor – Integrated Critical Mode PFC/Quasi-Resonant Current Mode PWM Controller

Electrical Characteristics
VDD=15V, TA=-40~105°C (TA=TJ), unless otherwise specified.
Symbol
Parameter
Conditions
Min.
VDD Section
VOP
VDD-ON
VDD-PWM-OFF
Continuously Operating Voltage
Turn-On Threshold Voltage
PWM Off Threshold Voltage
16.5
9
VDD-OFF Turn-Off Threshold Voltage
6.5
IDD-ST
Startup Current
VDD=VDD-ON - 0.16V,
Gate Open
IDD-OP
IDD-GREEN
Operating Current
Green Mode Operating Supply
Current (Average)
VDD=15V, OPFC;
OPWM=100KHz;
CL-PFC, CL-PWM=2nF
VDD=15V,
OPWM=450Hz,
CL-PWM=2nF
Operating Current at PWM-OFF
IDD-PWM-OFF _Phase
VDD=VDD-PWM-OFF - 0.5V
70
VDD-OVP VDD Over-Voltage Protection (Latch-Off)
26.5
tVDD-OVP
VDD OVP Debounce Time
100
IDD-LATCH
VDD OVP Latch-up Holding
Current
VDD=7.5V
HV Startup Current Source Section
VHV-MIN
Minimum Startup Voltage on HV Pin
VAC=90V (VDC=120V),
VDD=0V
IHV
Supply Current from Pin HV
HV=500V,
VDD= VDD-OFF +1V
VIN and RANGE Section
VVIN-UVP
The Threshold Voltage for AC Input Under-Voltage
Protection
0.95
VVIN-RE-UVP Under-Voltage Protection Reset Voltage (for Startup)
VVIN-UVP
+0.15V
Under-Voltage Protection Debounce Time (No Need at
tVIN-UVP
Startup/Hiccup Mode)
70
VVIN-RANGE-H
High VVIN Threshold for RANGE _RANGE=Ground
Comparator
2.30
VVIN-RANGE-L
Low VVIN Threshold for RANGE _RANGE=Open
Comparator
2.10
tRANGE
Range-Enable/Disable Debounce Time
70
VRANGE-OL
Output Low Voltage of RANGE
Pin
IO=1mA
tON-MAX-PFC PFC Maximum On Time
22
Typ.
18.0
10
7.5
10
5.5
120
27.5
150
120
1.2
1.0
1.00
VVIN-UVP
+0.2V
100
2.35
2.15
100
25
Max.
25
19.5
11
8.5
20
10
170
28.5
200
50
1.05
VVIN-UVP
+0.25V
130
2.40
2.20
130
0.5
28
Units
V
V
V
V
µA
mA
mA
µA
V
µs
µA
V
mA
µA
V
V
ms
V
V
ms
V
µs
Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FAN6921ML • Rev. 1.0.1
7
www.fairchildsemi.com