參數(shù)資料
型號: FAN4802SNY
廠商: Fairchild Semiconductor
文件頁數(shù): 11/24頁
文件大?。?/td> 931K
描述: IC CTLR PFC/PWM COMBO 16-PDIP
標準包裝: 30
模式: 平均電流
頻率 - 開關: 240kHz ~ 268kHz
電流 - 啟動: 30µA
電源電壓: 11 V ~ 26 V
工作溫度: -40°C ~ 105°C
安裝類型: 通孔
封裝/外殼: 16-DIP(0.300",7.62mm)
供應商設備封裝: 16-DIP
包裝: 管件
 
?2008 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN4800A/C, FAN4801/02/02L " Rev. 1.0.3
11
Electrical Characteristics (Continued)
V
DD
=15V, T
A
=25癈, R
T
=6.8k&, C
T
=1000pF unless noted operating specifications.
Symbol
Parameter
Conditions
Min.    Typ.   Max.  Units
PFC I
LIMIT
 Comparator
V
PFC-ILIMIT
 
Peak Current Limit
Threshold Voltage,
Cycle-by-Cycle Limit
 
-1.25     -1.15     -1.05
V
DV
pk
 
PFC I
LIMIT
-Gain Modulator
Output
I
AC
=17.67礎, V
RMS
=1.08V
V
FBPFC
=2.25V, at T=25癈
200
 
 
mV
PFC Output Driver
V
GATE-CLAMP
 
Gate Output Clamping
Voltage
V
DD
=22V
13
15
17
V
V
GATE-L
 
Gate Low Voltage
V
DD
=15V; I
O
=100mA
 
 
1.5
V
V
GATE-H
 
Gate High Voltage
V
DD
=13V; I
O
=100mA
8
 
 
V
t
r
 
Gate Rising Time
V
DD
=15V; C
L
=4.7nF; O/P=2V to 9V
40
70
120
ns
t
f
 
Gate Falling Time
V
DD
=15V; C
L
=4.7nF; O/P=9V to 2V
40
60
110
ns
D
PFC-MAX
     Maximum Duty Cycle
V
IEA
<1.2V
94
97
 
%
D
PFC-MIN
 
Minimum Duty Cycle
V
IEA
>4.5V
 
 
0
%
Brownout
V
RMS-UVL
 
V
RMS
 Threshold Low
FAN4800A/C, FAN4801/02
1.00
1.05
1.10
V
FAN4802L
0.85
0.90
0.95
V
V
RMS-UVH
 
V
RMS
 Threshold High
FAN4800A/C, FAN4801/02
1.85
1.90
1.95
V
FAN4802L
1.60
1.65
1.70
V
DV
RMS-UVP
 
Hysteresis
FAN4800A/C, FAN4801/02
750
850
950
mV
FAN4802L
650
750
850
mV
t
UVP
 
Under-Voltage Protection
Delay Time
 
340
410
480
ms
Soft-Start
V
SS-MAX
 
Maximum Voltage
V
DD
=15V
9.5
10.0
10.5
V
I
SS
 
Soft-Start Current
 
 
10
 
PWM I
LIMIT
 Comparator
V
PWM-ILIMIT
     Threshold Voltage
 
0.95
1.00
1.05
V
t
PD
 
Delay to Output
 
 
250
 
ns
t
PWM-Bnk
 
Leading-Edge Blanking
Time
 
170
250
350
ns
Range (FAN4801/02/02L)
V
RMS-L
 
RMS AC Voltage Low
When V
RMS
=1.95V at132V
RMS
 
1.90
1.95
2.00
V
V
RMS-H
 
RMS AC Voltage High
When V
RMS
=2.45V at150V
RMS
 
2.40
2.45
2.50
V
V
EA-L
 
VEA Low
When V
VEA
=1.95V at 30% Loading,
When V
VEA
=2.80V at 60% Loading
1.90
1.95
2.00
V
V
EA-H
 
VEA High
When V
VEA
=2.45V at 40% Loading,
When V
VEA
=3.35V at 70% Loading
2.40
2.45
2.50
V
I
tc
 
Two-Level Current
FBPFC Two-Level Current
18
20
22
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