AT5556

Preliminary Product Information

6-Channel DSC Motor Driver

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

9

04/12/10

2.5

3

3.5

4

4.5

5

5.5

0.8

1

1.2

1.4

1.6

1.8

2

VCC (V)

VCC v.s. Rds(on)(CH5&CH6)

VCC=PVCC=VM,VG=PVCC*2,Io=300mA

VCC (V)

2.5

3

3.5

4

4.5

5

5.5

0.8

1

1.2

1.4

1.6

1.8

2

VCC v.s. Rds(on)(CH5&CH6)

VCC=PVCC=VM,VG=PVCC*3,Io=300mA

VCC=PVCC=VM=5V, VG=PVCC x 2,Vo1=4V(CH1)

Pin=VCC*(ICC+IPVCC+IM), Pout=Vo*Io

50

100

150

200

250

300

350

400

450

500

50

55

60

65

70

75

80

85

90

Io1 (mA)

Io1 v.s. efficiency

Io1=Io2 (mA)

Io1,Io2 v.s. efficiency

VCC=PVCC=VM=5V, VG=PVCC*2,Vo=Vo1=Vo2=4V(CH1,Ch2)

Pin=VCC*(ICC+IPVCC+IM), Pout=Vo*Io=Vo*(Io1+Io2)

50

100

150

200

250

300

350

400

450

500

50

55

60

65

70

75

80

85

90