參數(shù)資料
型號: FAN7930BM
廠商: Fairchild Semiconductor
文件頁數(shù): 5/22頁
文件大?。?/td> 1849K
描述: IC PFC CTLR CRITICAL CONF 8-SOIC
標(biāo)準(zhǔn)包裝: 95
模式: 臨界傳導(dǎo)(CRM)
頻率 - 開關(guān): 250kHz ~ 350kHz
電流 - 啟動: 120µA
電源電壓: 13 V ~ 20 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOP
包裝: 管件
 
?2010 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN7930B " Rev. 1.0.3
5
 
Electrical Characteristics
V
CC
 = 14 V and T
A
 = -40癈~+125癈, unless otherwise specified.
Symbol
Parameter 
Conditions
Min.
Typ.
Max.     Unit
V
CC
 Section
V
START
 
tart Threshold Voltage
V
CC
 Increasing
11
12
13
V
V
STOP
 
top Threshold Voltage
V
CC
 Decreasing
7.5
8.5
9.5
V
HY
UVLO
 
UVLO Hysteresis
3.0
3.5
4.0
V
V
Z
 
ener Voltage
I
CC
=20 mA
20
22
24
V
V
OP
 
Recommended Operating Range
13
 
20
V
Supply Current Section
I
START
 
tartup Supply Current
V
CC
=V
START
-0.2 V
 
120
190
礎(chǔ)
I
OP
 
perating Supply Current
Output Not Switching
 
1.5
3.0
mA
I
DOP
 
Dynamic Operating Supply Current   50 kHz, C
I
=1 nF
 
2.5
4.0
mA
I
OPDIS
 
perating Current at Disable
V
INV
=0 V
90
160
230
礎(chǔ) 
Error Amplifier Section
V
REF1
 
oltage Feedback Input Threshold1 T
A
=25癈
2.465
2.500
2.535
V
DV
REF1
 
Line Regulation
V
CC
=14 V~20 V
 
0.1
10.0
mV
DVREF2
emperature Stability of V
REF1
(4)
 
 
20
 
mV
I
EA,BS
 
Input Bias Current
V
INV
=1 V~4 V
-0.5
 
0.5
礎(chǔ)
I
EAS,SR
 
utput Source Current
V
INV
=V
REF
-0.1 V
 
-12
 
礎(chǔ)
I
EAS,SK
 
utput Sink Current
V
INV
=V
REF
+0.1 V
 
12
 
礎(chǔ)
V
EAH
 
utput Upper Clamp Voltage
V
INV
=1 V, V
CS
=0 V
6.0
6.5
7.0
V
V
EAZ
 
ero Duty Cycle Output Voltage
0.9
1.0
1.1
V
g
m
 
ransconductance
(4)
 
90
115
140
祄ho
Maximum On-Time Section
t
ON,MAX1
 
Maximum On-Time Programming 1   T
A
=25癈, V
ZCD
=1 V
35.5
41.5
47.5
t
ON,MAX2
 
Maximum On-Time Programming 2
T
A
=25癈,
I
ZCD
=0.469 mA
11.2
13.0
14.8
Current-Sense Section
V
CS
 
urrent Sense Input Threshold
oltage Limit
0.7
0.8
0.9
V
I
CS,BS
 
Input Bias Current
V
CS
=0~1 V
-1.0
-0.1
1.0
礎(chǔ)
t
CS,D
 
urrent Sense Delay to Output
(4)
 
dV/dt=1 V/100 ns,
from 0 V to 5 V 
 
350
500
ns
 
Continued on the following page&
 
 
 
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