fl6961 Fairchild Semiconductor, fl6961 Datasheet - Page 6

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fl6961

Manufacturer Part Number
fl6961
Description
Single-stage Flyback And Boundary Mode Pfc Controller For Lighting
Manufacturer
Fairchild Semiconductor
Datasheet
© 2010 Fairchild Semiconductor Corporation
FL6961 • Rev. 1.0.1
Electrical Characteristics
Unless otherwise noted, V
out of the device.
Zero Current Detection Section
Maximum On Time Section
Symbol
V
V
t
t
t
RESTART
H
ZCD-HIGH
ZCD-LOW
ZCD-DIS
ON-MAX
V
V
V
t
t
V
DEAD
INHIB
YS
MOT
ZCD
ZCD
DIS
of
Input Threshold Voltage Rising Edge
Threshold Voltage Hysteresis
Upper Clamp Voltage
Lower Clamp Voltage
Maximum Delay, ZCD to Output Turn-On
Restart Time
Inhibit Time (Maximum Switching
Frequency Limit)
Disable Threshold Voltage
Disable Function Debounce Time
Maximum On Time Voltage
Maximum On Time Programming
(Resistor Based)
CC
Parameter
=15V and T
J
=-40°C to 125°C. Current is defined as positive into the device and negative
V
V
I
I
V
f
Output Turned Off by
ZCD
R
R
V
R
V
ZCD
ZCD
SW
ZCD
ZCD
COMP
ZCD
COMP
MOT
MOT
MOT
6
=60KHz
=3mA
=-1.5mA
Conditions
=100mV
=24kΩ
=24kΩ,
=24kΩ, V
Increasing
Decreasing
=5V,
=5V
CS
=0V,
Min.
1.25
100
300
130
800
1.9
0.3
Typ.
0.35
1.30
500
200
2.1
2.8
25
Max.
1.35
400
700
250
2.3
12
www.fairchildsemi.com
Units
mV
ns
μs
μs
μs
μs
V
V
V
V
V

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