SMA7036M
sInternal
Block Diagram
1
6
5
IN A
8
Vs
14
IN B
10
15
1, 6, 10, 15pin
Description of pins
Reg.
Oscillator
MOSFET
gate drive
circuit
Synchronous
chopping
circuit
Chopping noise
blanking timer
(5
µ
s typ)
+
–
Reg.
Chopping noise
blanking timer
(5
µ
s typ)
+
–
Oscillator
MOSFET
gate drive
circuit
Synchronous
chopping
circuit
Chopping
OFF timer
(12
µ
s typ)
Chopping
OFF timer
(12
µ
s typ)
1pin
6pin
10pin
15pin
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
REF A
REF B
GND A
GND B
7
Rs A
2
4
3
13
12
11
9
sTypical
Connection Diagram (Recommended component values)
Vcc (46V max)
+
Rs B
8
V
S
2
Sync
A
1
6
10
15
Excitation signal time chart
2-phase excitation
clock
IN
A
5
IN
A
0
H
L
1
H
H
2
L
H
3
L
L
0
H
L
1
H
H
IN
A
IN
B
SMA7036M
Vb (5V)
11
PchMOS
r1
Rs
A
7
Rs
Ref
A
Ref
B
3
13
Rs
B
9
Rs
G
A
4
G
B
12
Sync
B
IN
B
14
IN
B
r2
r
1
r
2
R
S
(1 to 2W)
PchMOS
Inv
: 8kΩ
: 2kΩ (VR)
: 1Ω typ
: HN1J02FU (Toshiba)
: 7404
Inv
Disable (High Active)
sExternal
Dimensions (ZIP15 [SMA15Pin])
Epoxy resin package
31
±0.2
10.2
±0.2
30°
(Unit : mm)
4
±0.2
2.5
±0.2
3
±0.6
(4.6)
0.55
–0.1
+0.2
8.5max
Lot No.
Part No.
1.45
±0.15
6.7
±0.5
(9.7)
1.2
±0.1
(5.9)
(7.5)
+0.2
0.65
–0.1
1.16
+0.2
–0.1
0.55
–0.1
4
±0.7
+0.2
P2.03
±0.1
×14=28.42
P2.03
±0.1
×14=28.42
31.3
+0.2
1 2 3
. . . . . . . .
15
12 3
. . . . . . .
15
Forming No. No.1054
Forming No. No.1055
1.6
±0.6
(3)
0.62
±0.1
1.16
±0.15
ICs
99