MLX90285_14 datasheet(8/13 Pages) MELEXIS

Part #	MLX90285

Description	24V Low Noise Two-Coil Fan Driver

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Manufacturer	MELEXIS [Melexis Microelectronic Systems]

Direct Link	http://www.melexis.com

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8 / 13 page

MLX90285

24V Low Noise Two-Coil Fan Driver

3901090285

Rev. 005

Page 8 of 14

DataSheet

Aug/14

11 Performance Graphs

11.1 RDSON vs. TJ

11.2 RDSON vs. VDD

6

5.5

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

Ron, VDD=5V

Ron, VDD=24V

5.5

5

4.5

4

3.5

3

2.5

2

1.5

1

0.5

Tj= -40

○C

Tj= 25

○C

Tj= 150

○C

0

-40

-20

0

20

40

60

80

100

120

140

160

Tj (

○C)

0

4

6

8

10

12

14

16

18

20

22

24

26

28

30

VDD (Volts)

11.3 Magnetic parameters vs. TJ

11.4 Magnetic parameters vs. VDD

6

5

4

3

2

1

0

-1

-2

-3

Bop, Tj= -40oC

Bop, Tj= 25

○C

Bop, Tj= 150

○C

Brp, Tj= -40

○C

Brp, Tj= 25

○C

Brp, Tj= 150

○C

-4

Bop,VDD=5V

Bop,VDD=24V

-4

Brp,VDD=5V

Brp,VDD=24V

-5

-6

-40

-20

0

20

40

60

80

100

120

140

160

Tj (

○C)

-6

4

6

8

10

12

14

16

18

20

22

24

26

28

30

VDD (Volts)

11.5 IDD vs. TJ

11.6 IDD vs. VDD

4

3.5

3

2.5

2

1.5

1

0.5

IDD, VDD= 5V

IDD, VDD= 24V

1

0.5

IDD, Tj= -40

○C

IDD, Tj= 25

○C

IDD, Tj= 150

○C

0

-40

-20

0

20

40

60

80

100

120

140

160

Tj (oC)

0

4

6

8

10

12

14

16

18

20

22

24

26

28

30

VDD (Volts)

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