OUT
A
OUT
A
4
5
STBY
P-GND
L-GND
L-GND
9
8
1
C
12
3
10
2
6
11
7
N.C.
4.7 k
OUT
B
OUT
B
V
S
DIAG
I
A /A
I
B/B
ZD: V
S
<35V
C 100
F
(Reference)
Stepper
motor
SLA4708M
CPU
ZD
5V
+
Standard Circuit Diagram
External Dimensions
(unit: mm)
Stepper Motor Driver SLA4708M
42
Features
q High output breakdown voltage of 50V
q Affluent output current of 1.5A
q Built-in overcurrent, overvoltage and thermal protection circuits
q Low standby current of 50
A
Parameter
Symbol
Unit
Conditions
Ratings
Absolute Maximum Ratings
Electrical Characteristics
Parameter
Symbol
min
typ
max
Unit
Conditions
Ratings
(Ta =25C)
Power supply voltage
Breakdown voltage
Input voltage
Input voltage
( I
A/A
, I
B/B
standby)
Input current
(V
S
=12V, Ta=25C)
Diagnostic output withstand voltage
Operating temperature
Storage temperature
Power Dissipation
V
S
V
O
V
IN
V
IL
V
IN
= 0.4V
2.4
50
0.8
50
V
0.8
mA
V
V
IH
I
IL
V
IN
= 2.4V
I
O
= 1A, Ta
= 25C
A
I
IH
Output saturation voltage
1.3
V
V
O.STA
I
O
= 1.5A, Ta
= 25C
V
O
= 16V
I
DIAG
= 5mA
V
S
= 12V
1.5
100
0.3
V
V
O.STA
Output leak current
A
I
O. LEAK
1.8
Overcurrent detection
A
I
SD
27.5
Overvoltage detection
V
V
SD
Saturation voltage of diagnostic
output
V
V
DIAG.L
Standby current
A
I
STB
I
DIAG
I
DIAG. H
Top
Tstg
P
D
V
V
Without heatsink
V
mA
V
C
C
W
35
50
0.3 to +7
Output current
Diagnostic output sink current
I
O, AVE
A
1.5
10
7
40 to +85
40 to +150
3.5 (Ta=25C)
1 2 3
11P2.54
0.7
=27.94
1.0
31.5 max
0.85
1.2
0.15
31.0
0.2
24.4
0.2
16.4
0.2
3.2
0.15
Ellipse 3.2
0.15
3.8
0.55
2.2
0.7
1.7
0.7
4.8
0.2
1.45
0.15
Pin 1
12
4 5 6 7 8 9 10 11 12
8.5
m
a
x
9
.
5
min (10.4)
Lead plate thickness
resins
0.8
max
9.9
0.2
13.0
0.2
16.0
0.2
2.7
+0.2
0.1
+0.2
0.1
a) Type No.
b) Lot No.
a
b
0
0
10
20
30
Power supply voltage V
S
(V)
20
10
0
200
At standby I
S
(
A)
Power supply current
At Constant I
S
(mA)
Constant (S
T
= 5V)
At standby (S
T
= 0V)
100
0
10
20
30
0
10
12
14
2
4
6
8
Output voltage V
O
(V)
Power supply voltage V
S
(V)
35
=
T 25C
a
V 12V
cc=
Common for
all phases
0
1.0
2.0
3.0
0
1.0
2.0
Saturation voltage of output transistor Vsat (V)
Output current I
O
(A)
Ta =25C
Common for
all phases
0.5
1.5
0
0
Output voltage V
O
(V)
Junction temperature Tj (C)
=
V 5V
ST
10
Vcc (Vs) =12V
110
120
130
140
150
160
j2
T
j1
T
14
12
2
4
6
8
43
s
Power Supply Current Characteristics
s
Overvoltage Protection Characteristics
s
Saturation Voltage of Output Transistor Characteristics
s
Thermal Protection Characteristics
Vcc (Vs) =16V
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