參數(shù)資料
型號(hào)： TOP245Y-TL
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
封裝： PLASTIC, TO-220, 7 PIN
文件頁(yè)數(shù)： 8/52頁(yè)
文件大?。?/td> 2175K
代理商： TOP245Y-TL
TOP242-250
M
12/04
16
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
X
PI-2625-040501
DC
Input
Voltage
+
-
D
S
C
ON/OFF
47 K
QR can be an optocoupler
output or can be replaced by
a manual switch.
QR
CONTROL
PI-2621-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
47 k
QR
RMC
45 k
QR can be an
optocoupler output or
can be replaced
by a manual switch.
ON/OFF
X
ON/OFF
47 k
PI-2626-040501
DC
Input
Voltage
+
-
D
S
C
RIL
QR
12 k
For RIL =
ILIMIT = 69%
25 k
For RIL =
ILIMIT = 43%
QR 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
QR
RMC
45 k
QR can be an
optocoupler output
or can be replaced
by a manual switch.
ON/OFF
X
RIL
PI-2622-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
47 k
2 M
QR
RLS
ON/OFF
For RLS = 2 M
VUV = 100 VDC
VOV = 450 VDC
QR 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
RIL
RLS
QR
2 M
VUV = IUV x RLS
VOV = IOV x RLS
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
12 k
For RIL =
ILIMIT = 69%
QR can be an optocoupler
output or can be replaced
by a manual switch.
Figure 22. Active-on (Fail Safe) Remove ON/OFF.
Figure 23. Active-off Remote ON/OFF. Maximum Duty Cycle
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.
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