NJM37770 New Japan Radio Co., Ltd., NJM37770 Datasheet - Page 6

• Manufacturer Part Number: NJM37770
• Description: STEPPER MOTOR DRIVER
• Manufacturer: New Japan Radio Co., Ltd.

Electrical characteristics over recommended operating conditions,unless otherwise specified.Ta=25°C C
Parameter
General
Supply current
Total power dissipation
Turn-off delay
Thermal shutdown junction temperature
Logic Inputs
Logic HIGH input voltage
Logic LOW input voltage
Logic HIGH input current
Logic LOW input current
Analog Inputs
Comparator threshold voltage
Comparator threshold voltage
Comparator threshold voltage
Input current
Motor Outputs
Lower transistor saturation voltage
Lower diode forward voltage drop
Upper transistor saturation voltage
Output leakage current
Monostable
Cut off time
Parameter
Thermal resistance
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. DIP package with external heatsink (Staver V7) and minimal copper area. Typical Rth
4. Not covered by final test program
ELECTRICAL CHARACTERISTICS
THERMAL CHARACTERISTICS
2
Rth
Rth
Symbol
Symbol
PCB copper area with free air convection Ta=+25°C
V
V
V
V
V
I
P
I
t
I
I
CC
t
off
IH
CM
IL
CH
C
d
CL
J-GND
J-A
IH
D
IL
f
V
V
f
f
Note 2, 4.
f
Note 2, 4.
f
Note 3, 4.
f
Note 3, 4.
dV
V
V
V
V
V
I
I
I
I
I
I
I
V
DIP package.
DIP package. Note 2.
s
s
s
s
s
s
M
M
M
M
M
M
0
Note 3, 4
MM
MM
= 28 kHz, I
I
I
R
R
R
MM
= 23 kHz
= 28 kHz, I
= 24 kHz, I
= 28 kHz, I
= 28 kHz, I
= I
= 1.0A
= 1.3A
= 1.0A
= 1.3A
= 1.0A
= 1.3A
= 2.4 V
= 0.4 V
C
= 5.0 V, I
= 5.0 V, I
= 5.0 V, I
/dt
= 10 V, t
= 20 to 55 V, I
= 20 to 55 V, I
1
= HIGH, T
50 mV/µs.V
0
0
0
M
on
M
M
M
M
= I
= HIGH, I
= LOW, I
Conditions
= 1.0A, V
= 1.0A, V
= 1.0A, V
= 1.3A, V
= 1.5A, V
Conditions
1
5 µs
a
= LOW
= +25°C
0
0
= I
= I
MM
1
1
1
1
= 60V, R
MM
= HIGH.
= LOW,
MM
MM
MM
MM
= HIGH
= LOW
= 48 V
= 36 V
= 12 V
= 36 V
= 36 V
T
= 56 k
J-A
= 27.5°C/W. T
Min
-0.4
400
240
-20
2.0
Min
70
27
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NJM37770
Typ
Typ
T
165
415
250
11
40
1.9
1.7
2.7
3.5
2.0
0.5
0.8
1.3
1.5
1.1
1.3
a
30
48
80
31
= 820 pF, R
3.5
-
-
-
-
-
-
= +25°C
430
265
100
Max
2.3
2.1
3.2
2.3
0.8
0.8
1.3
1.6
1.8
1.3
1.6
Max
40
65
20
90
35
-
-
-
-
-
-
-
-
T
= 56 k
°C/W
°C/W
mV
mV
Unit
mA
mA
mA
mV
Unit
µA
µA
µA
µs
°C
µs
W
W
W
W
V
V
V
V
V
V
V
V
W