参数资料
型号: SG6901ASZ
厂商: Fairchild Semiconductor
文件页数: 7/19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
7
Electrical Characteristics
V
DD
=15V and T
A
=25癈 unless otherwise specified.
Symbol
Parameter
Conditions
Min.     Typ.    Max.    Units
VDD SECTION
V
DD-OP
 
Continuously Operating Voltage
 
 
 
20
V
I
DD-ST
 
Startup Current
0V < V
DD
 < V
DD-ON
 
 
10
25
I
DD-OP
 
Operating Current
V
DD
=15V; OPFC,
OPWM Open; R
I
=24K&
 
6
10
mA
V
DD-ON
 
Start Threshold Voltage
 
11
12
13
V
V
DD-OFF
 
Minimum Operating Voltage
 
9
10
11
V
V
DD-OVP
 
V
DD
 OVP Threshold
 
23.5
24.5
25.5
V
t
D-VDDOVP
     Debounce Time of V
DD
 OVP
 
8
 
25
OSCILLATOR SECTION
f
OSC
 
PWM Frequency
R
I
=24K&
62
65
68
KHz
R
I
 
RI Pin Resistance Range
 
15.6
 
47.0
K?
R
I-OPEN
 
RI Pin Open Protection
If R
I
>R
I-OPEN
, SG6901A
Turns Off
 
200
 
K?
R
I-SHORT
     RI Pin Short Protection
If R
I
<R
I-SHORT
,
SG6901A Turns Off
 
2
 
K?
VRMS SECTION (for UVP and RANGE)
V
RMS-UVP-1
 
RMS AC Voltage Under-Voltage
Protection Threshold (with t
UVP
 delay)
 
0.75
0.80
0.85
V
V
RMS-UVP-2
    Recovery Level on V
RMS
 
 
V
RMS-UVP-
1
+
0.16V
V
RMS-
UVP-1
+
0.18V
V
RMS-
UVP-1
+
0.2V
V
t
D-PWM
 
When UVP Occurs, Interval from PFC
Off to PWM Off
 
t
UVP-
Min
+9
 
t
UVP-
Min
+14
ms
t
UVP
 
Under-Voltage Protection Delay Time    
150
195
240
ms
V
RMS-H
 
High V
RMS
 Threshold for RANGE
Comparator
 
1.90
1.95
2.00
V
VRMS-L
Low VRMS Threshold for RANGE
Comparator
 
1.55
1.60
1.65
V
t
RANGE
 
Range-Enable Delay Time
 
140
170
200
ms
V
OL
 
Output Low Voltage of RANGE Pin
I
o
=1mA
 
 
0.5
V
I
OH
 
Output High Leakage Current of
RANGE Pin
RANGE=5V
 
 
50
nA
 
Continued on the following page&
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