T0P246Y View Datasheet(PDF) - Power Integrations, Inc
Part Name
Description
Manufacturer
T0P246Y
Power Integrations, Inc
T0P246Y Datasheet PDF : 52 Pages
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TOP242-250
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
+
QR can be an optocoupler
output or can be replaced by
a manual switch.
DC
Input
Voltage
D
CONTROL
C
S
X
-
QR
ON/OFF
47 KΩ
PI-2625-040501
Figure 22. Active-on (Fail Safe) Remove ON/OFF.
+
ON/OFF
DC
Input
Voltage
QR
47 kΩ
RMC
45 kΩ
D
L
CONTROL
C
QR can be an
optocoupler output or
can be replaced
by a manual switch.
-
S
PI-2621-040501
Figure 23. Active-off Remote ON/OFF. Maximum Duty Cycle
Reduced.
+
DC
Input
Voltage
QR can be an optocoupler
output or can be replaced
by a manual switch.
D
CONTROL
C
For RIL = 12 kΩ
ILIMIT = 69%
For RIL = 25 kΩ
ILIMIT = 43%
S
X
-
RIL
QR
ON/OFF
47 kΩ
PI-2626-040501
Figure 24. Active-on Remote ON/OFF with Externally Set Current
Limit.
+
ON/OFF
DC
Input
Voltage
QR
47 kΩ
RMC
45 kΩ
D
L
CONTROL
C
QR can be an
optocoupler output
or can be replaced
by a manual switch.
S
X
RIL
-
PI-2627-040501
Figure 25. Active-off Remote ON/OFF with Externally Set Current
Limit.
+
QR can be an optocoupler
RLS 2 MΩ output or can be replaced
by a manual switch.
ON/OFF
QR
47 kΩ
DC
Input
Voltage
D
L
CONTROL
C
For RLS = 2 MΩ
VUV = 100 VDC
VOV = 450 VDC
-
S
PI-2622-040501
Figure 26. Active-off Remote ON/OFF with LINE-SENSE.
+
DC
Input
Voltage
-
VUV = IUV x RLS
VOV = IOV x RLS
RLS
2 MΩ
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
QR can be an optocoupler
D
L
output or can be replaced
by a manual switch.
CONTROL
C
For RIL = 12 kΩ
S
X
ILIMIT = 69%
RIL
QR
ON/OFF
47 kΩ
PI-2628-040501
Figure 27. Active-on Remote ON/OFF with LINE-SENSE and
EXTERNAL CURRENT LIMIT.
16 M
12/04
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