SPF7211 Datasheet, PDF (2/2 Pages) Sanken electric – 2-ph Stepper-motor Driver ICs

2-ph Stepper-motor Driver ICs SPF7211
Electrical Characteristics
■ Vsat Temperature Characteristics (Io=0.5A)
1.2
VsatH
1
0.8
0.6
0.4
VsatL
0.2
0
–30 –10 10 30 50 70 90 110 130 150
Junction temperature (ºC)
■ OSC Temperature Characteristics
55
53
FOSC
51
49
47
Ct=2200pF
45
–30 –10 10 30 50 70 90 110 130 150
Junction temperature (ºC)
■ Diode VF Characteristics (IF=0.5A)
1.7
VFGO
1.5
1.3
1.1
VFH
0.9
VFL
0.7
0.5
–30 –10 10 30 50 70 90 110 130 150
Junction temperature (ºC)
■ Ta-PD Characteristics
40
Infinite heatsink equivalent
(Tc=25°C)
j-tab 3.2°C/W
30
20
10
Copper foil area
(5.0•7.4mm, t=18µm)
j-a 30.5°C/W
0
0 25 50 75 100 125 150
Ambient temperature Ta (ºC)
59