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參數資料
型號: TOP246F
英文描述: SMPS Controller
中文描述: 開關電源控制器
文件頁數: 19/52頁
文件大?。?/td> 457K
代理商: TOP246F
TOP242-250
19
H
9/02
Figure 32. Line Sensing for Under-Voltage Only (Overvoltage
Disabled).
PI-2510-040501
DC
Input
Voltage
+
-
D
M
S
C
V
UV
= R
LS
x I
UV
For Value Shown
V
UV
= 100 VDC
R
LS
6.2 V
2 M
22 k
CONTROL
Figure 33. Line Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle will be reduced at
Low Line.
Figure 34. Externally Set Current Limit.
PI-2517-040501
DC
Input
Voltage
+
-
D
M
S
C
For R
IL
= 12 k
I
LIMIT
= 69%
CONTROL
R
IL
See fig. 55 for other
resistor values (R
IL
)
to select different
I
LIMIT
values
For R
IL
= 25 k
I
LIMIT
= 43%
PI-2516-040501
DC
Input
Voltage
+
-
D
M
S
C
V
OV
= I
OV
x
R
LS
For Values Shown
V
OV
= 450 VDC
CONTROL
R
LS
1N4148
2 M
30 k
Figure 30. Three Terminal Operation (MULTI-FUNCTION
Features Disabled).
PI-2508-081199
DC
Input
Voltage
+
-
D
S
C
CONTROL
M
C
D
S
C
D
S
S
S
S
M
PI-2509-040501
DC
Input
Voltage
+
-
D
M
S
C
V
UV
= I
UV
x R
LS
V
OV
=
I
OV
x
R
LS
For R
LS
= 2 M
V
UV
= 100 VDC
V
OV
=
450 VDC
DC
MAX
@100 VDC = 78%
DC
MAX
@375 VDC = 38%
CONTROL
R
LS
2 M
Typical Uses of MULTI-FUNCTION (M) Pin
Figure 35. Current Limit Reduction with Line Voltage.
PI-2518-040501
DC
Input
Voltage
+
-
D
M
S
C
CONTROL
R
IL
R
LS
2.5 M
6 k
100% @ 100 VDC
63% @ 300 VDC
I
LIMIT
=
I
LIMIT
=
Figure 31. Line Sensing for Undervoltage, Over-Voltage and
Line Feed Forward.
相關PDF資料
PDF描述
TOP246R-TL SMPS Controller
TOP247F SMPS Controller
TOP247R-TL SMPS Controller
TOP248F SMPS Controller
TOP248R-TL SMPS Controller
相關代理商/技術參數
參數描述
TOP246F- 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
TOP246FN 功能描述:交流/直流開關轉換器 90 W 85-265 VAC 125 W 230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓(最大值):23.5 V 輸入/電源電壓(最小值):11.5 V 開關頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP246FN- 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
TOP246FN-TL 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
TOP246F-TL 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
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