1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
SLA7027MU/SLA7024M/SLA7026M 2-Phase/1-2 Phase Excitation
■Absolute Maximum Ratings
(Ta=25°C)
Ratings
Parameter
Symbol
Unit
SLA7027MU
SLA7024M
SLA7026M
Motor Supply Voltage
FET Drain-Source Voltage
Control Supply Voltage
Input Voltage
V
CC
46
100
46
7
V
V
V
DSS
V
S
V
V
IN
V
Reference Voltage
Output Current
V
REF
2
V
I
O
1
1.5
3
A
P
D1
D2
4.5 (Without Heatsink)
35 (T =25°C)
W
W
°C
°C
Power Dissipation
P
C
Channel Temperature
Storage Temperature
T
ch
+150
Tstg
–40 to +150
■Electrical Characteristics
Ratings
Parameter
Symbol
SLA7027MU
SLA7024M
SLA7026M
Unit
min.
typ.
10
max.
15
min.
typ.
10
max.
15
min.
typ.
10
max.
15
I
S
Control Supply Current
Control Supply Voltage
FET Drain-Source Voltage
mA
V
Condition
V
S
=44V
24
V
S
=44V
V
S
=44V
24
V
S
10
44
10
24
44
10
44
VDSS
100
100
100
V
Condition
V
S
=44V, IDSS=250µA
VS
=44V, IDSS=250µA
V
S=44V, IDSS=250µA
V
DS
0.85
4
0.6
4
0.85
4
FET ON Voltage
V
Condition
I
D
=1A, V
S
=14V
I
D
=1A, V
S
=14V
ID=3A, VS=14V
IDSS
FET Drain Leakage Current
FET Diode Forward Voltage
mA
V
Condition
V
DSS=100V, V
S=44V
V
DSS=100V, V
S=44V
V
DSS=100V, VS=44V
VSD
1.2
40
1.1
40
2.3
40
Condition
I
D=1A
I
D=1A
ID=3A
I
IH
µA
mA
Condition
V
IH=2.4V, V
S=44V
VIH=2.4V, V
S
=44V
VIH=2.4V, VS=44V
TTL Input Current
I
IL
–0.8
–0.8
–0.8
Condition
VIL=0.4V, V
S
=44V
V
IL=0.4V, V
S=44V
VIL=0.4V, VS=44V
V
IH
2
2
2
2
2
2
TTL Input Voltage
(Active High)
Condition
I
D
=1A
I
D
=1A
ID=3A
V
V
V
IL
0.8
0.8
0.8
0.8
0.8
0.8
Condition
V
V
DSS=100V
DSS=100V
V
DSS=100V
DSS=100V
V
DSS=100V
DSS=100V
V
IH
TTL Input Voltage
(Active Low)
Condition
V
V
V
IL
Condition
I
D
=1A
0.5
=24V, I
0.7
I
D
=1A
I
D
=3A
Tr
0.5
0.5
Condition
V
S
S
S
D
=0.8A
=0.8A
=0.8A
V
V
V
S
S
S
=24V, I
D
D
D
=1A
=1A
=1A
V
V
V
S
S
S
=24V, I
D
D
D
=1A
=1A
=1A
Tstg
0.7
0.7
Switching Time
µs
Condition
V
V
=24V, I
D
=24V, I
0.1
=24V, I
0.1
T
f
0.1
Condition
=24V, I
D
=24V, I
=24V, I
ICs
94
ETC [ ETC ]
