SLA7031M/SLA7032M/SLA7033M
sInternal
Block Diagram
Vs A
Vs B
IN B
IN A
IN A
IN B
1
8
6
5
7
12
17
16
11
18
Reg.
Reg.
1,8,11,18pin
Description of pins
Oscillator
MOSFET
gate drive
circuit
Synchronous
chopping
circuit
Oscillator
MOSFET
gate drive
circuit
Synchronous
chopping
circuit
Chopping noise
blanking timer
(5
µ
s typ)
+
Chopping noise
blanking timer
(5
µ
s typ)
+
Chopping
OFF timer
(12
µ
s typ)
Chopping
OFF timer
(12
µ
s typ)
1pin
8pin
11pin
18pin
Excitation input signal
Active H
Active L
OUT A
OUT A
OUT A
OUT A
OUT B
OUT B
OUT B
OUT B
SYNC A
SYNC B
R
EF
A
R
EF
B
Rs A
9
2
4
3
14
15
13
10
sTypical
Connection Diagram (Recommended component values)
Active High
Vcc (46Vmax)
+
Excitation signal time chart
2-phase excitation
7
VsA
2
12
VsB
8
1
18
11
OUT
A
OUT
A
OUT
B
OUT
B
IN
A
6
SYNC A
SLA7031M
SLA7032M
SLA7033M
IN
A
5
IN
B
17
IN
B
16
IN
A
IN
A
IN
B
IN
B
Active
High
Rs B
GA
GB
1-2 phase excitation
1
L
H
H
L
clock
IN
A
IN
A
IN
B
IN
B
0
L
L
L
1
L
H
L
2
L
L
H
L
3
L
H
L
4
L
L
L
5
L
H
L
H
6
L
L
L
7
H
L
L
0
H
L
L
L
1
H
L
H
L
2
L
L
L
3
L
H
L
clock
IN
A
IN
A
IN
B
IN
B
0
H
L
H
L
1
L
H
H
L
2
L
H
L
H
3
H
L
L
H
0
H
L
H
L
H H
Vb (5V)
13
H H
SYNC B
H H
r1
RsA
9
Rs
R
EF
A R
EF
B RsB
3
14
10
Rs
GA
4
GB
15
H H
r2
r
1
: 4kW
r
2
: 1kW (VR)
R
s
: 1W typ (7031M/7032M)
(1 to 2W)
0.68W typ (7033M)
Active Low
Vcc (46Vmax)
Excitation signal time chart
2-phase excitation
clock
7
VsA
2
12
VsB
8
1
18
11
1-2 phase excitation
1
H
L
L
H
clock
IN
A
IN
A
IN
B
IN
B
0
L
H
1
L
L
2
H
H
L
H
3
L
L
4
L
H
5
H
L
H
L
6
H
7
L
0
L
H
H
H
1
L
L
2
H
L
3
H
L
L
H
+
0
L
H
L
H
1
H
L
L
H
2
H
L
H
L
3
L
H
H
L
0
L
H
L
H
IN
A
IN
A
6
H H
OUT
A
OUT
A
OUT
B
OUT
B
IN
A
IN
A
IN
B
IN
B
Active
Low
IN
A
IN
B
IN
B
H H
H H
H H
H H
L
L
H H
H H
SYNC A
SLA7031M
SLA7032M
SLA7033M
IN
A
5
IN
B
17
IN
B
16
Vb (5V)
13
SYNC B
H H
r1
RsA
9
Rs
R
EF
A R
EF
B RsB
3
14
10
Rs
GA
4
GB
15
r2
r
1
: 4kW
r
2
: 1kW (VR)
R
s
: 1W typ (7031M/7032M)
(1 to 2W)
0.68W typ (7033M)
sExternal
Dimensions (ZIP18 with Fin [SLA18Pin])
φ
3.2
±0.15
31
±0.2
24.4
±0.2
16.4
±0.2
(Unit : mm)
φ
3.2
±0.15
×3.8
4.8
±0.2
1.7
±0.1
16
±0.2
13
±0.2
9.9
±0.2
6.7
±0.5
R-End
0.65
–0.1
+0.2
9.7
–0.5
+1
1
–0.1
17×P1.68
±0.4
=28.56
±1
+0.2
(3)
0.65
–0.1
1
–0.1
0.55
–0.1
4
±0.7
+0.2
17×P1.68
±0.4
=28.56
±1
31.3
±0.2
1 2 3
. . . . . . .
18
123
. . . . . . .
18
Forming No. No.871
Forming No. No.872
0.55
–0.1
1.6
±0.6
+0.2
+0.2
+0.2
2.2
±0.6
6
±0.6
7.5
±0.6
3
±0.6
2.45
±0.2
4.6
±0.6
Part No.
Lot No.
ICs
103
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