FAN6756 Fairchild Semiconductor, FAN6756 Datasheet - Page 6

• Manufacturer Part Number: FAN6756
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FAN6756 • Rev. 1.0.4
Electrical Characteristics
V
HV Section
Oscillator Section
Feedback Input Section
Symbol
V
V
V
V
V
t
t
DD
V
V
D-AC-OFF
V
V
D-HV-DIS
FB-ZDCR1
FB-ZDCR2
f
△ V
FB-OPEN
t
V
V
FB-ZDC1
FB-ZDC2
OSC-G
AC-OFF
f
t
FB-OLP
D-OLP
HV-DIS
AC-ON
Z
=15V and T
I
f
OSC
HOP
f
A
FB-N
FB-G
HV
DV
DT
FB
V
AC
Supply Current from HV Pin
Threshold Voltage for Brownout
Threshold Voltage for Brown-In
V
Debounce Time for Brownout
X-Cap. Discharge Threshold
Debounce Time for Triggering
X-Cap. Discharge
Switching Frequency When
V
Hopping Period
Switching Frequency When
V
Frequency Variation vs. V
Deviation
Frequency Variation vs.
Temperature Deviation
Feedback Voltage to Current-
Sense Attenuation
Regular FB Internal Pull-High
Impedance
FB internal Biased Voltage
Threshold Voltage for OLP
Debounce Time for OLP
Threshold Voltage for Maximum
Switching Frequency
Threshold Voltage for Minimum
Switching Frequency
Threshold Voltage for Zero-Duty
Cycle
Threshold Voltage for Zero-Duty
Cycle Recovery
Threshold Voltage for Zero Duty
Cycle in Standby Mode
Threshold Voltage for Zero-Duty
Cycle Recovery in Standby Mode
AC-ON
FB
FB
>V
<V
A
=25C unless otherwise noted.
FB-N
FB-G
- V
AC-OFF
Parameter
(Continued)
DD
V
V
DC Source Series
R=200kΩ to HV Pin
DC Source Series
R=200kΩ to HV Pin
DC Source Series
R=200kΩ to HV Pin
V
R=200kΩ to HV Pin
Center Frequency
Hopping Range
(V
V
V
V
T
FB Pin Open
A
AC
DD
FB
FB
FB
DD
FB
=-40 to 105C
<V
>V
<V
=90V (V
=0V
=11V to 22V
>V
FB-G
FB-N
FB-G
Condition
FB-N
)
6
DC
=120V),
×0.45
Min.
1/4.5
±3.7
45.0
2.35
100
V
2.0
4.3
2.6
2.1
1.8
1.9
2.4
5.2
90
40
30
62
20
8
DC
Continued on the following page…
V
×0.51
Typ.
1/4.0
±4.2
2.55
57.5
100
110
3.0
4.0
8.5
5.4
4.6
2.8
2.3
2.0
2.1
2.6
12
65
DC
40
65
23
(5)
×0.56
Max.
1/3.5
±4.7
70.0
2.75
110
120
V
4.5
6.5
5.6
4.9
3.0
2.5
2.2
2.3
2.8
16
90
50
68
26
5
5
DC
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Unit
kHz
kHz
V/V
mA
ms
ms
ms
ms
kΩ
%
%
V
V
V
V
V
V
V
V
V
V
V
V