R1221N17AF 查看數據表（PDF） - RICOH Co.,Ltd.
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R1221N17AF Datasheet PDF : 21 Pages
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10) Soft-start Time vs. Temperature
R1221N33AB
L=27uH
VIN=4.5V
10
8
6
4
2
0
-50
0
50
100
Temperature Topt(°C)
12
10
8
6
4
2
-50
R1221N25XA
L=27uH
VIN=3.7V
0
50
100
Temperature Topt (°C)
11) Delay Time for Latch-type Protection vs. Temperature
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50
R1221N33AB
VIN=4.5V
0
50
100
Temperature Topt(°C)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50
R1221N25XA
VIN=3.7V
0
50
100
Temperature Topt(°C)
12) Delay Time for Reset-type Protection vs. Temperature
R1221N33AH
VIN=4.5V
5
5
4
4
3
3
2
2
1
1
0
-50
0
50
100
Temperature Topt(°C)
0
-50
R1221N33AG VIN=4.5V
0
50
100
Temperature Topt (°C)
Rev. 1.11
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