NJM3772 New Japan Radio, NJM3772 Datasheet - Page 9

• Manufacturer Part Number: NJM3772
• Description: DUAL STEPPER MOTOR DRIVER
• Manufacturer: New Japan Radio

Figure 12. Typical lower transistor
saturation voltage vs. output current
Figure 9. Power dissipation vs.
motor current. T
1.0
3.0
2.5
2.0
1.5
1.0
1.2
.8
.6
.4
.2
.5
0
TYPICAL CHARACTERISTICS
0
0
P
V
D
CE Sat, lt
(W)
Two channels on.
R = 0.47 ohm.
.20
.20
B
T =125¡C
J
(V)
.40
.40
a
Two channels on.
R = 0.68 ohm.
I
= 25 C
I
.60
.60
M
M
(A)
(A)
V
One channel on.
R = 0.47 ohm.
MM = 12 V
NJM3772
B
NJM3772
.80
.80
T =25¡C
J
1.0
1.0
1.2
1.2
Figure 10. Power dissipation vs. motor
current, both channels on. T
Figure 13. Typical lower diode voltage
drop vs. recirculating current
1.2
1.0
3.0
2.5
2.0
1.5
1.0
.8
.6
.4
.2
.5
0
0
V
0
P
d
D
(V)
(W)
.20
.20
.40
V
.40
MM
= 36 V
I
I
.60
M
.60
M
(A)
(A)
R
V
B
MM
PBL 3772
NJM3772
.80
= 0.68
.80
= 12 V
a
1.0
= 25 C
1.0
1.2
1.2
Figure 11. Maximum allowable
power dissipation vs. temperature
Figure 14. Typical upper transistor
saturation voltage vs. output current
given for information , without any guarantee
as regards either mistakes or omissions.
The application circuits in this databook are
described only to show representative
usages of the product and not intended for
the guarantee or permission of any right
including the industrial rights.
The specifications on this databook are only
1.2
1.0
.8
.6
.4
.2
6
5
4
3
2
1
0
0
-25
V
Maximum allowable power dissipation [W]
CE Sat, ut
PLCC package
DIP package
0
.20
Temperature [ C]
25
(V)
.40
50
NJM3772
I
All ground pins soldered onto a
20 cm PCB copper area with
free air convection.
.60
M
R
R
(A)
75
2
B
B
= 0.47
NJM3772
= 0.68
.80
100
125
1.0
150
1.2