參數(shù)資料
型號(hào): FAN4800IN_G
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 1 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 250 kHz SWITCHING FREQ-MAX, PDIP16
封裝: LEAD FREE, PLASTIC, MS-001, DIP-16
文件頁(yè)數(shù): 18/19頁(yè)
文件大?。?/td> 405K
代理商: FAN4800IN_G
F
AN48
0
Low
S
tartup
Curre
nt
PFC/PWM
Cont
rol
ler
Combi
n
a
tions
2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN4800 Rev. 1.0.6
8
Typical Performance Characteristics
Figure 3. Voltage Error Amplifier (gmv)
Transconductance
Figure 4. Current Error Amplifier (gmi)
Transconductance
Figure 5. Gain Modulator Transfer Characteristic (K)
Figure 6. Gain vs. VRMS
126
119
112
105
98
91
84
77
70
63
56
2.0 2.1 2.2 2.3 2.4 2.5
VFB (V)
Transconductance
(
mho)
2.6 2.7 2.8 2.9 3.0
100
90
80
70
60
50
40
30
20
10
0
-10
0.0
0.2
0.4
0.6
0.8
-0.2
-0.4
-0.6
-0.8
ISENSE (V)
Transconductance
(
mho)
0.35
0.40
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.0 0.5 1.0 1.5 2.0 2.5
V
RMS (V)
Variable
Gain
Block
Constant
(K)
3.0 3.5 4.0 4.5 5.0
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
1.5
1.0
0.5
0.0
V
RMS (V)
Gain
GAINMOD
OFFSET
AC
II
KmV
I
1
(6
0.625)
=
×
(1)
(2)
SENSE
OFFSET
AC
II
Gain
I
=
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