参数资料
型号: FAN4800ASNY
厂商: Fairchild Semiconductor
文件页数: 10/19页
文件大小: 860K
描述: IC CTLR COMBO PFC/PWM 16-DIP
标准包装: 30
模式: 平均电流
频率 - 开关: 240kHz ~ 268kHz
电流 - 启动: 30µA
电源电压: 11 V ~ 26 V
工作温度: -40°C ~ 105°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
 
?2010 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN4800AS/CS/01S/02S " Rev. 1.0.2
10
Electrical Characteristics (Continued)
Unless otherwise noted, V
DD
=15 V, T
A
= 25癈, T
A
=T
J
, R
T
=6.8 k&, and C
T
=1000 pF.
Symbol
Parameter
Conditions
Min.    Typ.   Max.   Unit
PFC Output Driver
V
GATE-CLAMP
   Gate Output Clamping Voltage     V
DD
=22 V
13
15
17
V
V
GATE-L
 
Gate Low Voltage
V
DD
=15 V, I
O
=100 mA
 
 
1.5
V
V
GATE-H
 
Gate High Voltage
V
DD
=13 V, I
O
=100 mA
8
 
 
V
t
R
 
Gate Rising Time
V
DD
=15 V, C
L
=4. 7nF,
O/P= 2 V to 9 V
40
70
120
ns
t
F
 
Gate Falling Time
V
DD
=15 V; C
L
=4.7 nF,
O/P= 9 V to 2 V
40
60
110
ns
D
PFC-MAX
     Maximum Duty Cycle
V
IEA
<1.2 V
94
97
 
%
D
PFC-MIN
 
Minimum Duty Cycle
V
IEA
>4.5 V
 
 
0
%
Brownout
V
RMS-UVL
 
V
RMS
 Threshold Low
When V
RMS
=1.05 V at 75 V
RMS
 
1.03
1.05
1.08
V
V
RMS-UVH
     V
RMS
 Threshold High
When V
RMS
=1.9 V at 85"1.414
1.88
1.90
1.94
V
V
RMS-UVP
    Hysteresis
 
750
850
950
mV
t
UVP
 
Under Voltage Protection
Debounce Time
 
850
1000     1150
ms
Soft Start
V
SS-MAX
 
Maximum Voltage
V
DD
=15 V
9.5
10.0
10.5
V
I
SS
 
Soft-Start Current
 
 
10
 
PWM I
LIMIT
 Comparator
V
PWM-ILIMIT
    Threshold Voltage
 
0.95
1.00
1.05
V
t
PD
 
Propagation Delay to Output
 
 
250
 
ns
t
PWM-BNK
 
Leading-Edge Blanking Time
 
170
250
350
ns
Range (FAN4801S/02S)
V
VRMS-L
 
RMS AC Voltage Low
When V
VRMS
=1.95 V at 132 V
RMS
 
1.90
1.95
2.00
V
V
VRMS-H
 
RMS AC Voltage High
When V
VRMS
=2.45 V at 150 V
RMS
 
2.40
2.45
2.50
V
V
VEA-L
 
VEA LOW
When V
VEA
=1.95 V at 30%
Loading
1.90
1.95
2.00
V
V
VEA-H
 
VEA HIGH
When V
VEA
=2.45 V at 40%
Loading
2.40
2.45
2.50
V
I
TC
 
Source Current from FBPFC
 
18
20
22
PWM Output Driver
V
GATE-CLAMP
   Gate Output Clamping Voltage     V
DD
=22 V
18
19
20
V
V
GATE-L
 
Gate Low Voltage
V
DD
=15 V, I
O
=100 mA
 
 
1.5
V
V
GATE-H
 
Gate High Voltage
V
DD
=13 V, I
O
=100 mA
8
 
 
V
t
R
 
Gate Rising Time
V
DD
=15 V, C
L
=4.7 nF
30
60
120
ns
t
F
 
Gate Falling Time
V
DD
=15 V, C
L
=4.7 nF
30
50
110
ns
D
PWM-MAX
     Maximum Duty Cycle
 
49.0     49.5
50.0
%
V
PWM-LS
 
PWM Comparator Level Shift
 
1.3
1.5
1.8
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
VEA
 is saturated to HIGH.
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