Data Sheet

Two Phase Dual-coil High Voltage Smart Fan Motor Driver

AH9280

Oct. 2011 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

8

0

100

200

300

400

500

600

0

200

400

600

800

1000

1200

Output Current (mA)

T

A

=25

V

CC

=12V

-25

0

25

50

75

100

125

150

0

100

200

300

400

500

600

Ambient Temperature (

-40

-20

0

20

40

60

80

100

120

-50

-40

-30

-20

-10

0

10

20

30

40

50

Ambient Temperature (

V

CC

=12V

B

OP

B

RP

B

HYS

Typical Performance Characteristics (Continued)

Figure 11. Saturation Voltage vs. Output Current

Figure 12. Power Dissipation vs. Ambient Temperature