参数资料
型号: SG6932DZ
厂商: Fairchild Semiconductor
文件页数: 9/20页
文件大小: 919K
描述: IC PFC CONTROLLER CCM 16DIP
标准包装: 30
模式: 连续导电(CCM)
频率 - 开关: 65kHz
电流 - 启动: 10µA
电源电压: 14 V ~ 20 V
工作温度: -40°C ~ 85°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
 
?2007 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
SG6932 " Rev. 1.1.3
9
Electrical Characteristics (Continued)
V
DD
=15V, T
A
= 25癈 unless otherwise noted.
Symbol    
 Parameter
Conditions
Min.
Typ.
Max.     Units
PWM Stage
FBPWM
A
V
 
FB to current Comparator Attenuation
2.2
2.7
3.2
V/V
ZFB
Input Impedance
4
5
7
k&
FB
OPEN-LOOP
   PWM Open-Loop Protection Voltage
4.2
4.5
4.8
V
t
OPEN-PWM-
Hiccup
 
Interval of PWM Open-Loop
Protection Reset
R
I
=24k&
500
600
700
ms
t
OPEN-PWM
 
PWM Open-Loop Protection
Delay Time
R
I
=24k&
80
95
120
ms
V
N
 
Frequency Reduction Threshold on FBPWM
1.9
2.1
2.3
V
PWM Current Sense
t
PD-PWM
 
Propagation Delay to Output 
V
LIMIT
 Loop
V
DD
=15V, OPWM
Drops to 9V
60
 
120
ns
V
LIMIT
 
Peak Current Limit Threshold Voltage
0.65
0.70
0.75
V
t
Bnk-PWM
 
Leading-Edge Blanking Time
270
350
450
ns
SLOPE
 
Slope Compensation 砎
S
=砎
SLOPE
(t
on
/t) 砎
S
:
Compensation Voltage Added to Current Sense
0.40
0.45
0.55
V
Output 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
Maximum Duty Cycle
DC
SS=6V
 
Maximum Duty Cycle for SS=6V   R
I
=24k&
62
 
66
%
DC
SS=5V
 
Maximum Duty Cycle for SS=5V   R
I
=24k&
46
 
50
%
Soft Start
I
SS
 
Constant Current Output for
Soft-Start
R
I
=24k&
44
50
56
V
DC-MAX-50%
    Voltage of SS for 50% Maximum Duty Cycle
 
 
5
V
V
DC-MAX-65%
    Voltage of SS for 65% Maximum Duty Cycle
6
 
 
V
R
D
 
Discharge Resistance
 
470
 
&
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