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FAN7601BGX Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part # FAN7601BGX
Description  Green Current Mode PWM Controller
Download  11 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN7601BGX Datasheet(HTML) 5 Page - Fairchild Semiconductor

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© 2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN7601B • Rev.1.0.1
5
Electrical Characteristics
TA=-25°C~125°C, VCC=14V, RT=9.5kΩ, CT=2.2nF unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Reference Section
VREF
Reference Output Voltage
IO=1mA
4.85
5.00
5.15
V
ΔV
REF1
Line Regulation
VCC=10V~18V
10
20
mV
ΔV
REF2
Load Regulation
IO=1mA ~ 10mA
20
30
mV
Oscillator Section
fOSC
Initial Accuracy
90
100
110
kHz
STV
Voltage Stability
VCC=10V~18V
1.0
1.5
%
VOSC
Amplitude
Vpin4 peak-to-peak
1.25
V
PWM Section
VCS/FB1
CS/FB Threshold Voltage1
0.9
1.0
1.1
V
DMAX
Maximum Duty Cycle
TA=25°C
92
95
98
%
DMIN
Minimum Duty Cycle
0
%
Burst Mode Section
VCS/FB2
CS/FB Threshold Voltage2
(1)
0.77
0.97
1.17
V
VCS/FB3
CS/FB Threshold Voltage3
(1)
0.7
0.9
1.1
V
Soft-Start Section
ISS
Soft-Start Current
Vpin3=GND
9
12
15
μA
VSL
Soft-Start Limit Voltage
(2)
ISS=1μA
1.2
1.5
1.8
V
Protection Section
VLATCH
Latch Voltage
2.25
2.50
2.75
V
VOVP
Over-Voltage Protection
18
19
20
V
UVLO Section
VtH
Start Threshold Voltage
11
12
13
V
VtL
Minimum Operating Voltage
7
8
9
V
Total Current Section
IOP
Operating Supply Current
3
4
mA
Output Section
VOL
Low Output Voltage
TA=25°C, IO=100mA
2.0
2.5
V
VOH
High Output Voltage
TA=25°C, IO=-100mA
11.5
12.0
14.0
V
tr
Rising Time
(1)
TA=25°C, CI=1nF
45
150
ns
tf
Falling Time
(1)
TA=25°C, CI=1nF
35
150
ns
Startup Section
Istr
VSTR Startup Current
VSTR=30V, TA=25°C
0.5
1.0
1.5
mA
Notes:
1.
These parameters, although guaranteed, are not 100% tested in production.
2.
It is recommended to connect a 1M
Ω resistor between the Latch/SS pin and GND to prevent abnormal operation
of the latch protection by noise coupling.


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