Datasheet

TOP242-250
43
I
4/03
Typical Performance Characteristics (cont.)
6
5
4
3
2
1
0
-300 -200 -100 0 100 200 300 400 500
PI-2542-102700
MULTI-FUNCTION Pin Voltage (V)
MULTI-FUNCTION Pin Current (µA)
See
Expanded
Version
Figure 63a. MULTI-FUNCTION Pin Voltage vs. Current.
Figure 63b. MULTI-FUNCTION Pin Voltage vs.
Current (Expanded).
Figure 64. Control Current Out at 0% Duty Cycle vs.
Temperature.
Figure 65. Max. Duty Cycle Reduction Onset Threshold
Current vs. Temperature.
6.0
4.5
5.5
5.0
2.0
0 100 200 300 400
LINE-SENSE Pin Current (µA)
LINE SENSE Pin Voltage (V)
PI-2688-102700
3.0
2.5
3.5
4.0
Figure 62a. LINE-SENSE Pin Voltage vs. Current.
Figure 62b. EXTERNAL CURRENT LIMIT Pin Voltage
vs. Current.
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25 0 25 50 75 100 125 150
Junction Temperature (°C)
PI-2562-033001
CONTROL Current
(Normalized to 25 °C)
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25 0 25 50 75 100 125 150
Junction Temperature (°C)
PI-2563-033001
Onset Threshold Current
(Normalized to 25 °C)
1.6
1.0
1.4
1.2
0
-240 -180 -60-120 0
EXTERNAL CURRENT LIMIT Pin Current (µA)
EXTERNAL CURRENT LIMIT
Pin Voltage (V)
PI-2689-102300
0.4
0.2
0.6
0.8
V
X
= 1.33 - I
X
x 0.66 kΩ
-200 µA
≤ I
X
≤ -25 µA
1.2
1.4
1.6
0.4
0.6
0.2
0.8
1.0
0
-300 -200 -150 -50-250 -100 0
MULTI-FUNCTION Pin Voltage (V)
PI-2541-102700
MULTI-FUNCTION Pin Current (µA)
V
M
= 1.37 - I
M
x 1 kΩ
-200 µA
≤ I
M
≤ -25 µA