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