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参数资料
| 型号： | FAN7631SJX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/19页 |
| 文件大小： | 0K |
| 描述： | IC CTLR PFM RESON CONV 16-SOIC |
| 标准包装： | 2,000 |
| 应用： | 谐振转换器控制器 |
| 电源电压： | 11.1 V ~ 21 V |
| 电流 - 电源： | 10mA |
| 工作温度： | -40°C ~ 130°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOP |
| 包装： | 带卷 (TR) |
Electrical Characteristics
T A =25 ? C and LV CC =17V unless otherwise specified.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
Supply Section
I LK
Offset Supply Leakage Current
HV CC =V CTR
50
μ A
(RMS Value)
(RMS Value)
I Q HV CC
I Q LV CC
I O HV CC
I O LV CC
Quiescent HV CC Supply Current
Quiescent LV CC Supply Current
Operating HV CC Supply Current
(3)
Operating LV CC Supply Current
(3)
HV CC,START - 0.1V, V CTR =0V
LV CC , START - 0.1V, V CTR =0V
f OSC =100kHz, C Load =1nF,
V CON > 0.6V, V CTR =0V
f OSC =300kHz, C Load =1nF,
V CON > 0.6V, V CTR =0V
f OSC =300kHz, V CON < 0.4V,
V CTR =0V (No Switching)
f OSC =100kHz, C Load =1nF
V CON > 0.6V, V CTR =0V
f OSC =300kHz, C Load =1nF,
V CON > 0.6V, V CTR =0V
f OSC =300kHz, V CON < 0.4V,
V CTR =0V (No Switching)
50
100
3.0
8
100
5
10
2.6
120
200
4.5
10
200
7
14
3.5
μ A
μ A
mA
mA
μ A
mA
mA
mA
UVLO Section
LV CC,START
LV CC,STOP
LV CC,HYS
HV CC,START
HV CC,STOP
HV CC,HYS
LV CC UVLO Turn-On Threshold
LV CC UVLO Turn-Off Threshold
LV CC UVLO Hysteresis
HV CC UVLO Turn-On Threshold
HV CC UVLO Turn-Off Threshold
HV CC UVLO Hysteresis
11.2
8.9
8.2
7.8
12.5
10.0
2.5
9.2
8.7
0.5
13.8
11.1
10.2
9.6
V
V
V
V
V
V
Oscillator & Feedback Section
V BH
V BL
V RT
Pulse Skip Disable Threshold Voltage
Pulse Skip Enable Threshold Voltage
Regulated RT Voltage
0.54
0.36
1.5
0.60
0.40
2.0
0.66
0.44
2.5
V
V
V
f OSC
DC
Output Oscillation Frequency
Output Duty Cycle
R T =11.6k ? , C SS =1nF
R T =2.7k ? , C SS =1nF
R T =11.6k ? , C Load =100pF
R T =2.7k ? , C Load =100pF
48
188
49
48
50
200
50
50
52
212
51
52
kHz
%
Soft-Start and Restart Section
I SS1
Soft-Start Current 1
V CSS =0V, LV CC =17V
3
mA
I SS2
V SS_START
V SS_END
V SSC
f OSC_SS
Soft-Start Current 2
Soft-Start Start Voltage
Soft-Start End Voltage
Clamped Soft-Start Voltage
Initial Output Oscillation Frequency
During Soft-Start
V CSS =1.6V, LV CC =17V
C SS =1nF, V CON =3V
C SS =1nF, V CON =3V
C SS =1nF, V CON =3V
R T =11.6k ? ?? V CSS =1.6V
R T =5.8k ?
25
1.5
4.0
4.75
30
1.6
4.2
5.00
300
530
35
1.7
4.4
5.25
μ A
V
V
V
kHz
R T =2.7k ?
600
V RT-CON
RT-CON Voltage for Startup
60
120
mV
Continued on the following page…
? 2011 Fairchild Semiconductor Corporation
FAN7631 ? 1.0.2
5
www.fairchildsemi.com
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