參數(shù)資料
型號(hào): FAN6920MRMY
廠商: Fairchild Semiconductor
文件頁(yè)數(shù): 8/24頁(yè)
文件大小: 1490K
描述: IC PWM CTLR PFC/QUASI-RES 16SOP
標(biāo)準(zhǔn)包裝: 1
模式: 臨界傳導(dǎo)(CRM)
電流 - 啟動(dòng): 20µA
電源電壓: 12 V ~ 25 V
工作溫度: -40°C ~ 105°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: FAN6920MRMYDKR
 
?2010 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN6920MR " Rev. 1.0.8
8
Electrical Characteristics (Continued)
V
DD
=15V and T
A
=25癈 unless otherwise noted.
S mbol
Parameter
Conditions
Min.
T p.     Max.    Unit
PFC STAGE
Voltage Error Amplifier Section
Gm
ransconductance
(4)
 
100 
125
150
祄ho
V
REF
 
Feedback Comparator Reference
oltage 
2.465 
2.500
2.535
V
V
INV-H
 
lamp High Feedback Voltage 
RANGE=Open
2.70 
2.75
2.80
V
RANGE=Ground
2.60
2.65
2.70
V
RATIO
lamp High Output Voltage Ratio
(4)
 
INV-H
/ V
REF
,
RANGE=Open 
1.06 
 
1.14
V/V
INV-H
/ V
REF
,
RANGE=Ground
1.04
 
1.08
V
INV-L
 
lamp Low Feedback Voltage
2.25
2.35
2.45
V
V
INV-OVP
 
ver-Voltage Protection for INV Input
RANGE=Open
 
2.90
2.95
V
RANGE=Ground
 
2.75
2.80
t
INV-OVP
 
ver-Voltage Protection Debounce Time
50
70
90
V
INV-UVP
 
Under-Voltage Protection for INV Input
0.35
0.45
0.55
V
V
INV-PWMON
    PWM ON Threshold Voltage on INV Pin
2.2
2.3
2.4
V
V
HYST-PWMON
 
Hysteresis for PWM ON Threshold
oltage on INV Pin
V
INV-
PWMON
-1.6
V
INV-
PWMON
-1.5
V
INV-
PWMON
-1.4
V
t
INV-UVP
 
Under-Voltage Protection Debounce
ime
50
70
90
V
INV-BO
 
PWM and PFC Off Threshold for
Brownout Protection
1.15
1.20
1.25
V
V
COMP-BO
 
Limited Voltage on COMP Pin for
Brownout Protection
1.55
1.60
1.65
V
I
COMP-BURST
   Internal Bias Current for PFC Burst Mode
120
150
180
礎(chǔ)
V
COMP-H
 
om  arator Out  ut Hi  h Volta  e
4.80
 
5.20
V
omparator Output High Voltage at PFC
Burst Mode
FB
=1.3 V, V
VIN
=1.2 V     2.20
2.30
2.40
FB
=1.3 V, V
VIN
=1.6 V     2.00
2.10
2.20
FB
=1.3 V, V
VIN
=2 V
1.80
1.90
2.00
V
COMP-L
 
omparator Output Low Voltage at PFC
Burst Mode
RANGE=Open,
FB
=1.3 V
0.9
1.0
1.1
V
V
OZ
 
ero Duty Cycle Voltage on COMP Pin
1.10
1.25
1.40
V
I
COMP
 
omparator Output Source Current 
INV
=2.3 V,
COMP
=1.5 V 
15 
30 
45 
礎(chǔ) 
INV
=1.5 V
0.50 
0.75
1.00
mA
omparator Output Sink Current 
RANGE=Open,
INV
=2.75 V,
COMP
=5 V
20 
30
40
礎(chǔ)
RANGE=Ground,
INV
=2.65 V,
COMP
=5 V
20
30
40
Continued on the following page&
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