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