FAN102 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN102 Datasheet PDF : 16 Pages
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Electrical Characteristics
VDD=15V and TA=25°C unless otherwise specified.
Symbol
Parameter
Conditions
VDD Section
VOP
Continuously Operating Voltage
VDD-ON Turn-On Threshold Voltage
VDD-OFF Turn-Off Threshold Voltage
IDD-OP
Operating Current
VDD=20V, fs=fOSC,
VVS=2V,
VCS=3V, CL=1nF
IDD-ST
Startup Current
0< VDD < VDD-ON-0.16V
IDD-GREEN
VDD-OVP
Green-Mode Operating Supply
Current
VDD Over-Voltage Protection
Level
VDD=20V, VVS=2.7V
fS=fOSC-N-MIN, VCS=0V
CL=1nF, VCOMV=0V
VCS=3V, VVS=2.3V
tD-VDDOVP
VDD Over-Voltage Protection
Debounce Time
fs=fOSC, VVS=2.3V
Oscillator Section
Center Frequency TA=25°C
fOSC
Frequency Frequency
Hopping Range
TA=25°C
tFHR
fOSC-N-MIN
fOSC-CM-MIN
fDV
Frequency Hopping Period
Minimum Frequency at No Load
Minimum Frequency at CCM
Frequency Variation vs. VDD
Deviation
TA=25°C
VVS=2.7V, VCOMV=0V
VVS=2.3V, VCS=0.5V
VDD=10V to 25V
fDT
Frequency Variation vs.
Temperature Deviation
TA=-40°C to +105°C
Voltage-Sense Section
IVS-UVP
Sink Current for Brownout
Protection
RVS=20KΩ
Itc
IC Compensation Bias Current
VBIAS-COMV
Adaptive Bias Voltage
Dominated by VCOMV
Current-Sense Section
VCOMV=0V, TA=25°C,
RVS=20KΩ
tPD
Propagation Delay to GATE
Output
tMIN-N
tMINCC
Minimum On Time at No Load
Minimum On Time in CC Mode
VVS=-0.8V, RS=2KΩ,
VCOMV=1V
VVS=0V, VCOMV=2V
VTH
Threshold Voltage for Current
Limit
Min.
15
4.5
0
27
100
39
±1.8
Typ. Max. Units
25
V
16
17
V
5.0
5.5
V
3.5
5.0
mA
1.6
10.0
μA
1
2
mA
28
29
V
250
400
μs
42
45
KHz
±2.6
±3.6
3
ms
550
Hz
20
KHz
5
%
15
%
180
μA
9.5
μA
1.4
V
100
200
ns
1100
ns
400
ns
1.3
V
Continued on the following page…
© 2008 Fairchild Semiconductor Corporation
FAN102 Rev. 1.0.3
5
www.fairchildsemi.com
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