FAN6920MR Fairchild Semiconductor, FAN6920MR Datasheet - Page 11

• Manufacturer Part Number: FAN6920MR
• Description: The highly integrated FAN6920MR combines Power Factor Correction (PFC) controller and quasi-resonant PWM controller
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN6920MR • Rev. 1.0.5
Electrical Characteristics
V
PWM Output Section
Current Sense Section
V
V
t
V
STARTER-PWM
DD
Symbol
CTRL-PFC-BM
CTRL-PFC-ON
CS-FLOATING
V
t
t
V
t
=15V, T
V
ON-BNK
PFC-BM
PFC-ON
t
V
CLAMP
V
SLOPE
CS-H
t
LIMIT
t
t
PD
OH
OL
R
F
A
=-40°C~105°C (T
Threshold Voltage on FB Pin for
PFC Burst Mode
Threshold Voltage on FB Pin for
PFC Normal operating
Debounce Time for PFC Burst
Mode
Debounce Time for PFC
Recovery to Normal Operating
Start Timer (Time-Out Timer)
PWM Gate Output Clamping
Voltage
PWM Gate Output Voltage Low
PWM Gate Output Voltage High
PWM Gate Output Rising Time
PWM Gate Output Falling Time
Delay to Output
Limit Voltage on CSPWM Pin for
Over-Power Compensation
Slope Compensation
Leading-Edge Blanking Time
CSPWM Pin Floating V
Clamped High Voltage
Delay Time, CS Pin Floating
Parameter
A
=T
J
), unless otherwise specified.
(4)
(Continued)
CSPWM
RANGE Pin Internally
Open
RANGE Pin Internally
Ground
PFC Normal Operating
 Burst Mode
PFC Burst Mode
Normal Operating
V
V
T
V
V
V
C
20~80%
C
20~80%
I
I
I
I
t
RANGE = Open
t
CSPWM Pin Floating
CSPWM Pin Floating
DET
DET
DET
DET
ON
ON
A
FB
FB
DD
DD
DD
L
L
= 25°C
= 3nF, V
= 3nF, V
= 0µs
＜ V
＞ V
= 45µs,
＜ 75µA, T
= 185µA, T
= 25V
= 15V, I
= 15V, I
= 350µA, T
= 550µA, T
Conditions
11
G
FB-OLP
, T
DD
DD
A
O
O
= 25°C
,
= 100mA
= 100mA
= 12V,
= 12V,
A
A
A
A
= 25°C
= 25°C
= 25°C
= 25°C
Min.
1.65
1.60
1.75
1.85
16.0
0.81
0.69
0.55
0.37
0.25
0.05
4.5
22
8
Continued on the following page…
Typ.
1.70
1.65
1.80
2.25
17.5
0.84
0.72
0.58
0.40
0.30
0.10
150
300
150
100
200
28
80
40
Max.
1.75
1.70
1.85
2.65
19.0
0.87
0.75
0.61
0.43
0.35
0.15
110
200
1.5
5.0
34
70
www.fairchildsemi.com
Units
ms
ms
µs
µs
ns
ns
ns
ns
µs
V
V
V
V
V
V
V
V