TOP242-250
Typical Performance Characteristics (cont.)
6.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
VX = 1.33 - IXx 0.66 kΩ
-200 µA ≤ IX ≤ -25 µA
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
0
0
100
200
300
400
-240
-180
-120
-60
0
EXTERNAL CURRENT LIMIT Pin Current (µA)
LINE-SENSE Pin Current (µA)
Figure 63a. LINE-SENSE Pin Voltage vs. Current.
Figure 63b. EXTERNAL CURRENT LIMIT Pin Voltage
vs. Current.
1.6
6
5
4
3
VM = 1.37 - IMx 1 kΩ
1.4
-200 µA ≤ IM ≤ -25 µA
1.2
1.0
0.8
0.6
0.4
0.2
0
2
See
Expanded
Version
1
0
-300 -250 -200 -150 -100 -50
0
-300 -200 -100
0
100 200 300 400 500
MULTI-FUNCTION Pin Current (µA)
MULTI-FUNCTION Pin Current (µA)
Figure 64b. MULTI-FUNCTION Pin Voltage vs. Current
(Expanded).
Figure 64a. MULTI-FUNCTION Pin Voltage vs. Current.
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
0
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25 50 75 100 125 150
Junction Temperature (°C)
Junction Temperature (°C)
Figure 65. Control Current Out at 0% Duty Cycle
vs. Temperaure.
Figure 66. Max. Duty Cycle Reduction Onset Threshold
Current vs. Temperature.
M
44 12/04
POWERINT [ Power Integrations ]
