TOP264-271
Typical Performance Characteristics
1.1
1
0.9
0.8
0.7
0.6
0.5
Minimum
Maximum
Typical
PI-5581-090309
1.1
1
0.9
0.8
0.7
0.6
0.5
0.3
0.4
Normalized Current Limit
Notes:
0.4
0.3
t
0.2
1. Maximum and Minimum levels are
based on characterization.
0.2
0.1
2. T J = 0
O
C to 125
O
C.
0.1
0
0
-200
-150
-100
-50
0
I X ( μ A )
Figure 36. Normalized Current Limit vs. X Pin Current.
1.1
1
0.9
Notes:
1. Maximum and Minimum levels are
based on characterization.
2. T J = 0 O C to 125 O C.
3. Includes the variation of X pin voltage.
PI-5582-090309
1.1
1
0.9
μ
0.8
0.7
0.6
0.5
0.4
Maximum
Typical
0.8
0.7
0.6
0.5
0.4
s)
Normalized Current Limit (A)
0.3
0.3
Normalized di
0.2
0.2
0.1
0
Minimum
0.1
0
0
5
10
15
20
25
30
35
40
45
R IL ( k ? )
Figure 37. Normalized Current Limit vs. External Current Limit Resistance.
31
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Rev. E 08/12
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