NJM3772 New Japan Radio, NJM3772 Datasheet - Page 5

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

Notes
1. All voltages are with respect to ground. Currents are positive into, negative out of specified terminal
2. All ground pins soldered onto a 20 cm
3. Not covered by final test program
4. Switching duty cycle D = 30%, f
5. External resistors R
Electrical characteristics over recommended operating conditions, unless otherwise noted. -20 C< T
Parameter
General
Supply current
Total power dissipation
Total power dissipation
Thermal shutdown junction temperature
Turn-off delay
Logic Inputs
Logic HIGH input voltage
Logic LOW input voltage
Logic HIGH input current
Logic LOW input current
Comparator Inputs
Threshold voltage
| V
Input current
Reference Inputs
Input resistance
Input current
Motor Outputs
Lower transistor saturation voltage
Lower transistor leakage current
Lower diode forward voltage drop
Upper transistor saturation voltage
Upper transistor saturation voltage
Upper transistor leakage current
Chopper Oscillator
Chopping frequency
Parameter
Thermal resistance
CH1
ELECTRICAL CHARACTERISTICS
THERMAL CHARACTERISTICS
- V
CH2
| mismatch
B
for lowering of saturation voltage
s
= 26.5 kHz
2
Rth
Rth
Rth
Rth
Symbol
Symbol
PCB copper area with free air convection, T
V
V
V
V
R
I
P
P
CH,diff
I
I
I
I
CC
t
f
IH
IL
CH
C
R
d
s
J-GND
J-A
J-GND
J-A
IH
D
D
IL
R
Note 4.
V
R
V
R
T
I
V
V
R
R
T
V
I
V
I
I
I
V
C
M
M
M
M
M
DIP package
DIP package. Note 2
PLCC package
PLCC package. Note 2
MM
MM
A
I
I
A
R
MM
MM
B
B
C
C
T
= 100 mA. Note 3.
= 750 mA
= 750 mA
= 750 mA. R
= 750 mA. R
= 2.4 V
= 0.4 V
= +25 C, dV
= +25 C
= 2.50 V
= 3300 pF, R
= 0.68 ohm. Notes 2, 3, 4, 5.
= 0.47 ohm. Notes 2, 3, 4, 5.
= 1 kohm, V
= 1 kohm
= 12 V, I
= 12 V, I
= 41 V, V
V
BB
= 41 V, V
M1
M1
E
Conditions
= I
Conditions
C
B
B
= 1000 mA, I
= V
R
/dt
T
= 0.68 ohm. Note 5
= 0.47 ohm. Note 3, 5
= 2.50 V
M2
= 15 kohm
E
R
= 750 mA.
= V
= 0 V, V
50 mV/ s,
R
= 0 V, V
C
M2
= V
= 0 mA.
C
CC
= V
A
= +25 C
CC
25.0
-0.4
430
-10
2.0
Min
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
J
< 125 C
26.5
160
450
1.8
1.8
1.4
0.5
0.6
1.2
0.6
0.8
Typ
60
11
40
35
Typ
1
5
9
-
-
-
-
-
-
-
NJM3772
28.0
470
700
700
Max
2.1
2.2
2.0
0.8
1.0
0.9
1.5
0.9
1.1
Max
75
20
1
-
-
-
-
-
-
-
-
-
kohm
C/W
C/W
C/W
C/W
Unit
Unit
kHz
mA
mA
mV
mV
mA
W
W
V
V
V
V
V
V
C
A
A
A
A
s