US890 Melexis Company, US890 Datasheet - Page 7

• Manufacturer Part Number: US890
• Description: Two-coil Fan Driver ? High Output Curren
• Manufacturer: Melexis Company

3901000890
Rev 002
11.3 Magnetic parameters vs T
11.1 R
11.5 I
11 Performance Graphs
2.5
1.5
0.5
-3
-6
4
3
2
1
0
6
3
0
-40
2
1
0
-40
-40
-30
-30
-30
DD
-20
DSON
-20
-20
vs T
-10
-10
-10
vs T
0
0
0
Bop, VDD=2.5V
Brp, VDD=2.5V
Bhyst, VDD=2.5V
VDD = 2.5V
VDD = 5V
VDD = 18V
A
10
10
10
A
20
20
20
30
30
30
Ta (°C)
Ta (° C)
40
Ta (° C)
40
40
Bop, VDD=18V
Brp, VDD=18V
Bhyst, VDD=18V
50
50
50
60
60
60
70
70
70
A
80
80
80
VDD = 2.5V
VDD = 5V
VDD = 12V
VDD = 18V
90
90
90
100
100
100
Two-Coil Fan Driver – High Output Current
110
Page 7 of 12
110
110
120
120
120
11.2 R
11.4 Magnetic parameters vs V
11.6 I
2.5
1.5
0.5
-3
-6
4
3
2
1
0
6
3
0
2
1
0
0
0
0
1
1
1
DD
2
DSON
2
2
3
vs V
3
3
4
4
vs V
4
US890 / US891
5
5
DD
5
6
6
6
DD
7
7
7
Bop, Ta=25° C
Brp, Ta=25°C
Bhyst, Ta=25° C
8
8
VDD (Volts)
VDD (Volts)
8
VDD (Volts)
9
9
9
10
10
Ta = -40° C
Ta = 85° C
Ta = 125°C
10
11
11
11
12
12
12
13
13
13
Ta = 25°C
Ta = 105° C
DD
14
14
14
Data Sheet
Sep/07
15
15
15
Ta = -40°C
Ta = 25°C
Ta = 85°C
Ta = 105° C
Ta = 125° C
16
16
16
17
17
17
18
18
18