參數(shù)資料
型號： T0P243G
廠商： Power Integrations, Inc.
英文描述： Family Extended Power, Design Flexible,Integrated Off-line Switcher
中文描述： 家庭擴展的電源，設計靈活，集成的離線切換
文件頁數(shù)： 17/48頁
文件大?。?/td> 771K
代理商： T0P243G
TOP242-249
17
August 8, 2000
E
7/01
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
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