Stepper-motor Driver ICs SLA4708M
Features
●
High output breakdown voltage of 50V
●
Affluent output current of 1.5A
●
Built-in overcurrent, overvoltage and thermal protection circuits
●
Low standby current of 50µA
External Dimensions
(unit: mm)
31.0
±0.2
3.2
±0.15
Ellipse 3.2
±0.15
• 3.8
4.8
±0.2
1.7
±0.7
Lead plate thickness
resins 0.8 max
12
24.4
±0.2
16.4
±0.2
16.0
±0.2
13.0
±0.2
8.5max
9.9
±0.2
a
b
2.7
Parameter
Power supply voltage
Breakdown voltage
Input voltage
Output current
Diagnostic output sink current
Diagnostic output withstand voltage
Operating temperature
Storage temperature
Power Dissipation
Symbol
V
S
V
O
V
IN
I
O, AVE
I
DIAG
I
DIAG. H
Top
Tstg
P
D
Ratings
35
50
–0.3 to +7
1.5
10
7
–40 to +85
–40 to +150
3.5 (Ta=25ºC)
Unit
V
V
V
A
mA
V
ºC
ºC
W
Conditions
9.5min (10.4)
Absolute Maximum Ratings
(Ta=25ºC)
Pin 1
1.2
±0.15
0.85
–0.1
+0.2
1.45
±0.15
11•P2.54
±0.7
=27.94
±1.0
31.5 max
0.55
–0.1
+0.2
2.2
±0.7
1 2 3 4 5 6 7 8 9 10 11 12
a: Part No.
b: Lot No.
Without heatsink
Standard Circuit Diagram
Electrical Characteristics
Parameter
Input voltage
(I
A/A
, I
B/B
standby)
Input current
Symbol
V
IL
V
IH
I
IL
I
IH
V
O.STA
Output saturation voltage
Output leak current
Overcurrent detection
Overvoltage detection
Saturation voltage of diagnostic
output
Standby current
V
O.STA
I
O. LEAK
I
SD
V
SD
V
DIAG.L
I
STB
50
1.8
27.5
0.3
2.4
–0.8
50
1.3
1.5
100
Ratings
min
typ
max
0.8
Unit
V
V
mA
µA
V
V
µA
A
V
V
µA
I
DIAG
= 5mA
V
S
= 12V
V
IN
= 0.4V
V
IN
= 2.4V
5V
2
STBY
P-GND
6
L-GND
11
L-GND
7
N.C.
4
OUT
A
5
OUT
A
9
OUT
B
8
1
OUT
B
V
S
12
DIAG
3
I
A /A
(V
S
=12V, Ta=25ºC)
C
+
ZD
Conditions
SLA4708M
I
B/B
10
CPU
ZD: V
S
<35V
C 100µF
(Reference)
I
O
= 1A, Ta = 25ºC
I
O
= 1.5A, Ta = 25ºC
V
O
= 16V
4.7kΩ
Stepper
motor
56