参数资料
型号: SG6901ASZ
厂商: Fairchild Semiconductor
文件页数: 10/19页
文件大小: 714K
描述: IC PFC CTLR AVERAGE CURR 20SOIC
标准包装: 1
模式: 平均电流
频率 - 开关: 65kHz
电流 - 启动: 10µA
电源电压: 12 V ~ 20 V
工作温度: -30°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 标准包装
其它名称: SG6901ASZDKR
 
?2008 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
SG6901A " Rev. 1.0.2
10
Electrical Characteristics
V
DD
=15V and T
A
=25癈 unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
PWM CURRENT SENSE
t
PD-PWM
 
Propagation Delay to
Output
V
DD
=15V, OPWM<=9V
60
 
120
ns
V
LIMIT-1
 
Peak Current Limit
Threshold Voltage1
RANGE=Open
0.65
0.70
0.75
V
V
LIMIT-2
 
Peak Current Limit
Threshold Voltage2
RANGE=Ground
0.60
0.65
0.70
V
t
LEB-PWM
 
Leading-Edge Blanking
Time
 
270
350
450
ns
SLOPE
 
Slope Compensation
S
=砎
SLOPE
 x (T
on
/T)
S
: Compensation
Voltage Added to Current
Sense
0.45
0.50
0.55
V
PWM OUTOUT DRIVER
V
Z-PWM
 
Output Voltage Maximum
(Clamp)
V
DD
=20V
 
16
18
V
V
OL-PWM
 
Output Voltage Low
V
DD
=15V; I
O
=100mA
 
 
1.5
V
V
OH-PWM
 
Output Voltage High
V
DD
=13V; I
O
=100mA
8
 
 
V
t
R-PWM
 
Rising Time
V
DD
=15V; C
L
=5nF;
O/P=2V to 9V
30
60
120
ns
t
F-PWM
 
Falling Time
V
DD
=15V; C
L
=5nF;
O/P=9V to 2V
30
50
110
ns
DCY
MAXPWM
    Maximum Duty Cycle
 
73
78
83
%
OTP SECTION
I
OTP
 
OTP Pin Output Current
R
I
=24K&
90
100
110
V
OTP-ON
 
Recovery Level on OTP
 
1.35
1.40
1.45
V
V
OTP-OFF
 
OTP Threshold Voltage
 
1.15
1.20
1.25
V
t
OTP
 
OTP Debounce Time
 
8
 
25
SOFT START SECTION
I
SS
 
Constant Current Output
for Soft-Start
R
T
=24K&
44
50
56
R
D
 
Discharge R
DSON
 
 
 
470
 
&
 
 
 
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