1748

NTE1748
Integrated Circuit
DC Motor Driver
Features:
D Linear or Logic Operation
D Bi−Directional Drive Capability
Applications:
D DC Motor for VCR, CD
Absolute Maximum Ratings: (TA = +25C unless otherwise specified)
Supply Voltage (Quiescent), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Input Supply Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Output Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Power Dissipation (TC = +25C, Note 1), Pd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5W
Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100C
Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40 to +125C
Note 1. Pd is for 1 pc. of TR3, TR6.
Electrical Characteristics: (TA = +25C, VCC = 12V, RL = 10 unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
ICCO
Vin = Open
−
11.5
15.0
mA
Input Current 1
Ii (1)
IO = 500mA
−
170
350
A
Input Current 2
Ii (2)
IO = 900mA, Vin = 12V
−
0.34
0.7
mA
IO = 500mA
−
6.45
7.2
V
Output Saturation Voltage 1
Vsat (1) Iin = 1mA, Vin = 12V
−
1.37
2.0
V
Output Saturation Voltage 2
Vsat (2) Iin = 1mA, Vin = 12V
−
0.4
1.0
V
−
1.2
1.8
V
Input Voltage
Diode Forward Voltage
Vi
Vdf
IF = 1A
Rev. 5−13
Pin Connection Diagram
(Front View)
7
Input
6
Load
5
N.C.
4 (+) VCC
3
Load
2
Input
1
GND
Linear Input Application
+VCC (12V)
4
Input A
7
Input B
2
6
1
3
INPUT A
High Speed
H
L
Reverse
L
H
Forward
MH
L
Reverse
L
MH
L
L
Normal/Low Speed
+
M
−
INPUT B
Forward
Brake Standby
Note 2. L; 0V
H: 12V
MH: Vo
VO
Logic Input Application
+VCC (12V)
330
330
4
Input C
7
R
2
6
1
3
Input A
Input B
Buffer
Buffer
+
This application is for active high.
For active low, change as follows:
Buffer

Inverter
M
−
INPUT A
INPUT B
INPUT C
Forward
H
L
H
Reverse
L
H
H
Forward
H
L
L
Reverse
L
H
L
L
L
L
High Speed
Normal/Low Speed
Brake Standby
Note 3. L; 0V
H: 5V
.787 (20.0)
.157 (4.0)
.492
(12.5)
1
7
.315
(8.0)
.020 (0.5)
.100 (2.54)
.600 (15.24)
.016 (0.4)