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參數(shù)資料
型號： TOP248F
英文描述： SMPS Controller
中文描述： 開關(guān)電源控制器
文件頁數(shù)： 17/52頁
文件大小： 457K
代理商： TOP248F
TOP242-250
17
H
9/02
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
Figure 22. Active-on (Fail Safe) Remote ON/OFF.
X
PI-2625-040501
DC
Input
Voltage
+
-
D
S
C
ON/OFF
47 k
Q
can be an optocoupler
output or can be replaced by
a manual switch.
Q
R
CONTROL
X
ON/OFF
47 k
PI-2626-040501
DC
Input
Voltage
+
-
D
S
C
R
IL
Q
R
12 k
For R
IL
=
I
LIMIT
= 69 %
For R
IL
=
I
LIMIT
= 43 %
25 k
Q
can be an optocoupler
output or can be replaced
by a manual switch.
CONTROL
PI-2627-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
47 k
Q
R
R
MC
45 k
Q
can be an
optocoupler output
or can be replaced
by a manual switch.
ON/OFF
X
R
IL
PI-2622-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
47 k
2 M
Q
R
R
LS
ON/OFF
For R
LS
= 2 M
V
UV
= 100 VDC
V
OV
= 450 VDC
Q
can be an optocoupler
output or can be replaced
by a manual switch.
X
ON/OFF
47 k
PI-2628-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
R
IL
R
LS
Q
R
2 M
V
UV
= I
UV
x R
LS
V
OV
=
I
OV
x
R
LS
DC
MAX
@100 VDC = 78%
DC
MAX
@375 VDC = 38%
12 k
For R
IL
=
I
LIMIT
= 69 %
Q
can be an optocoupler
output or can be replaced
by a manual switch.
Figure 23. Active-off Remote ON/OFF. Maximum Duty Cycle will
be reduced.
Figure 24. Active-on Remote ON/OFF with Externally Set Current
Limit.
Figure 25. Active-off Remote ON/OFF with Externally Set Current
Limit.
Figure 26. Active-off Remote ON/OFF with LINE-SENSE.
Figure 27. Active-on Remote ON/OFF with LINE-SENSE and
EXTERNAL CURRENT LIMIT.
PI-2621-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
47 k
Q
R
R
MC
45 k
Q
can be an
optocoupler output or
can be replaced
by a manual switch.
ON/OFF
相關(guān)PDF資料
PDF描述
TOP248R-TL SMPS Controller
TOP249F SMPS Controller
TOP249R-TL SMPS Controller
TOP243R-TL SMPS Controller
TOP244F SMPS Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TOP248F- 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
TOP248FN 功能描述:交流/直流開關(guān)轉(zhuǎn)換器 155 W 85-265 VAC 205 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(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
TOP248FN- 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
TOP248FN-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
TOP248F-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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