TOP242-250 POWERINT [Power Integrations, Inc.], TOP242-250 Datasheet - Page 42
TOP242-250
Manufacturer Part Number
TOP242-250
Description
TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
1.TOP242-250.pdf
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42
TOP242-250
M
12/04
Figure 56a. Current Limit vs. MULTI-FUNCTION Pin Current (TOP246P only).
Figure 56b. Current Limit vs. External Current Limit Resistance (TOP246P only).
Figure 56c. External Current Limit vs. External Current Limit Resistance at 0 °C, 25 °C and 100 °C Junction
1.25
1.20
1.15
1.10
1.05
1.00
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
.95
.90
.85
.80
.75
.70
-250
0
0
Measured at 25 °C.
Temperature (TOP246P only).
5K
5K
-200
Typical
10K
10K
External Current Limit Resistor R
External Current Limit Resistor R
100 °C
15K
15K
-150
20K
0 °C
20K
I
Refer to MULTIFUNCTION (M) Pin
Operation section
M
(µA)
25K
25K
-100
25 °C
30K
30K
IL
IL
(Ω)
(Ω)
35K
35K
-50
Scaling Factor:
TOP246P: 1.35
Scaling Factor:
TOP246P: 1.35
40K
40K
PI-3725-031804
PI-3724-012704
45K
45K
0
200
180
160
140
120
100
80
60
40
200
180
160
140
120
100
80
60
40
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