TOP242-250
Typical Uses of MULTI-FUNCTION (M) Pin (cont.)
+
+
QR can be an optocoupler
output or can be replaced
by a manual switch.
QR can be an optocoupler
output or can be replaced
by a manual switch.
QR
For RIL = 12 kΩ
ON/OFF
ILIMIT = 69%
DC
Input
DC
Input
Voltage
47 kΩ
For RIL = 25 kΩ
Voltage
RMC
24 kΩ
RMC = 2RIL
ILIMIT = 43%
D
S
M
D
M
RIL
QR
CONTROL
CONTROL
C
RIL
C
12 kΩ
ON/OFF
47 kΩ
S
-
-
PI-2520-040501
PI-2521-040501
Figure 38. Active-on Remote ON/OFF with Externally Set Current
Limit (See M Pin Operation Description).
Figure 39. Active-off Remote ON/OFF with Externally Set Current
Limit (See M Pin Operation Description).
QR can be an optocoupler
output or can be replaced
by a manual switch.
+
RLS
2 MΩ
QR
DC
Input
ON/OFF
47 kΩ
For RLS = 2 MΩ
Voltage
D
M
VUV = 100 VDC
VOV = 450 VDC
CONTROL
C
S
-
PI-2523-040501
Figure 40. Active-off Remote ON/OFF with LINE-SENSE.
M
12/04
19
POWERINT [ Power Integrations ]
