US90A 데이터 시트보기 (PDF) - Melexis Microelectronic Systems
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US90A Datasheet PDF : 12 Pages
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US90A / US91A
24V Hall IC Fan Driver
11 Performance Graphs
11.1 RDSON vs TJ
5
VDD = 5V
VDD = 24V
4
3
11.2 RDSON vs VDD
5
4
3
Tj = -40°C
Tj = 25°C
Tj = 125°C
2
2
1
1
0
-40
-20
0
20
40
60
80
Tj (°C)
11.3 Magnetic parameters vs TJ
6
5
Bop, VDD=5V
4
Brp, VDD=5V
3
2
1
0
-1
-2
-3
-4
-5
-6
-40
-20
0
20
40
60
80
Tj (°C)
100
120
Bop, VDD=24V
Brp, VDD=24V
100
120
0
0
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30
VDD (Volts)
11.4 Magnetic parameters vs VDD
6
5
Bop, Tj=25°C
Bop, Tj=125°C
Brp, Tj=25°C
Brp, Tj=125°C
4
Bop, Tj=-40°C
Brp, Tj=-40°C
3
2
1
0
-1
-2
-3
-4
-5
-6
0
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30
VDD (Volts)
11.5 IDD vs TJ
4
3.5
3
2.5
2
1.5
1
0.5
0
-40
-20
0
20
40
60
Tj (°C)
VDD = 5V
VDD = 24V
11.6 IDD vs VDD
4
3.5
3
2.5
2
Tj = -40°C
Tj = 25°C
Tj = 125°C
1.5
1
0.5
80
100
120
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
VDD (Volts)
390109026302
Rev 002
Page 6 of 12
Data Sheet
Apr/07
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