參數(shù)資料
型號: FAN6982MY
廠商: Fairchild Semiconductor
文件頁數(shù): 8/16頁
文件大?。?/td> 547K
描述: IC CTLR PFC CCM 14-SOICN
標(biāo)準(zhǔn)包裝: 2,500
模式: 連續(xù)導(dǎo)電(CCM)
頻率 - 開關(guān): 50kHz ~ 75kHz
電流 - 啟動: 30µA
電源電壓: 11 V ~ 22 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC N
包裝: 帶卷 (TR)
 
?2009 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN6982 " Rev. 1.0.3
8
 
Electrical Characteristics (Continued)  
Unless otherwise noted; V
DD
=15V, T
A
= 25癈, T
A
=T
J
, R
T
=27k&, and C
T
=1000pF.
Symbol
Parameter
Conditions
Min.    Typ.    Max.   Units
Gain Modulator
I
AC
 
Input for AC Current
Multiplier Linear Range
0
 
100
礎(chǔ)
GAIN
Gain Modulator
(3)(4)
 
I
IAC
=17.67礎(chǔ), V
VRMS
=1.080V
V
FBPFC
=2.25V, at T
A
=25癈
7.500    9.000    10.500
  
I
IAC
=20礎(chǔ), V
VRMS
=1.224V
V
FBPFC
=2.25V, at T
A
=25癈
6.367    7.004     7.704
I
IAC
=25.69礎(chǔ), V
VRMS
=1.585V
V
FBPFC
=2.25V, at T
A
=25癈
3.801    4.182     4.600
I
IAC
=51.62礎(chǔ), V
VRM
S=3.169V
V
FBPFC
=2.25V, at T
A
=25癈
0.950    1.045     1.149
I
IAC
=62.23礎(chǔ), V
VRMS
=3.803V
V
FBPFC
=2.25V, at T
A
=25癈
0.660    0.726     0.798
BW
Bandwidth
I
IAC
=40礎(chǔ)
 
2
 
kHz
V
O(GM)
 
Output Voltage=5.7k& ?
(I
SENSE
-I
OFFSET
)
I
AC
=20礎(chǔ), V
RMS
=1.224V
V
FBPFC
=2.25V, at T
A
=25癈
0.710    0.798     0.885
V
PFC I
LIMIT
 Comparator
V
PFC-ILIMIT
 
Peak Current Limit
Threshold Voltage
Cycle-by-Cycle Limit
 
-1.25
-1.15     -1.05
V
pk
 
PFC I
LIMIT
-Gain Modulator
Output
I
IAC
=17.67礎(chǔ), V
VRMS
=1.08V
V
FBPFC
=2.25V, at T
A
=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
%
Tri-Fault Detect
t
FBPFC_OPEN
    Time to FBPFC Open
V
FBPFC
=V
FBPFC-OVP
 to FBPFC
OPEN, 470pF from FBPFC to GND
 
2
4
ms
V
PFC-UVP
 
PFC Feedback Under-
Voltage Protection
 
0.4
0.5
0.6
V
Notes:
3.    This parameter, although guaranteed by design, is not 100% production tested.
4.    This gain is the maximum gain of modulation with a given V
RMS
 voltage when V
EA
 is saturated to high.
  
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