參數(shù)資料
型號: FAN6921MRMY
廠商: Fairchild Semiconductor
文件頁數(shù): 8/24頁
文件大小: 1210K
描述: IC CTLR PFC/FLYBACK 16-SOICN
標(biāo)準(zhǔn)包裝: 2,500
模式: 臨界傳導(dǎo)(CRM)
電流 - 啟動(dòng): 10µA
電源電壓: 8.5 V ~ 25 V
工作溫度: -40°C ~ 105°C
安裝類型: 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-SOIC N
包裝: 帶卷 (TR)
 
?2009 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN6921MR Rev. 1.0.4
8
Electrical Characteristics (Continued)
V
DD
=15 V, T
A
=-40癈 ~105癈 (T
A
=T
J
), unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.     Max.   Units
PFC Stage
Voltage Error Amplifier Section
Gm
Transconductance
(4)
 
 
100 
125
150
祄ho
V
REF
 
Feedback Comparator Reference
Voltage 
 
2.465 
2.500
2.535
V
V
INV-H
 
Clamp High Feedback Voltage 
RANGE=Open
2.70 
2.75
2.80
V
RANGE=Ground
2.60
2.65
2.70
V
RATIO
Clamp High Output Voltage Ratio
(4)
V
INVH
/ V
REF
,
RANGE=Open 
1.06 
 
1.14
V/V
V
INVH
/ V
REF
,
RANGE=Ground
1.04
 
1.08
V
INV-L
 
Clamp Low Feedback Voltage
 
2.25
2.35
2.45
V
V
INV-OVP
 
Over-Voltage Protection for INV
Input
RANGE=Open
 
2.90
2.95
V
RANGE=Ground
 
2.75
2.80
t
INV-OVP
 
Over-Voltage Protection Debounce
Time
 
50
70
90
V
INV-UVP
 
Under-Voltage Protection for INV
Input
 
0.35
0.45
0.55
V
t
INV-UVP
 
Under-Voltage Protection
Debounce Time
 
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
V
COMP
 
Comparator Output High Voltage     
4.8
 
6.0
V
V
OZ
 
Zero Duty Cycle Voltage on COMP
Pin
 
1.10
1.25
1.40
V
I
COMP
 
Comparator Output Source
Current 
V
INV
=2.3 V, V
COMP
=1.5 V 
15 
30 
45 
礎(chǔ) 
V
INV
=1.5 V
0.50 
0.75
1.00
mA
Comparator Output Sink Current 
RANGE=Open,
V
INV
=2.75 V, V
COMP
=5 V
20 
30
40
礎(chǔ)
RANGE=Ground,
V
INV
=2.65 V, V
COMP
=5 V
20
30
40
PFC Current Sense Section
V
CSPFC
 
Threshold Voltage for Peak
Current Cycle-by-Cycle Limit
V
COMP
=5 V
 
0.82
 
V
t
PD
 
Propagation Delay
 
 
110
200
ns
t
BNK
 
Leading-Edge Blanking Time
 
110
180
250
ns
A
V
 
CSPFC Compensation Ratio for
THD
 
0.90
0.95
1.00
V/V
Continued on the following page&
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