NTE7006
Integrated Circuit
Switch Mode Driver for DC Motors
Description
The NTE7006 is a monolithic LSI circuit in 15Lead SIP type package with staggered leads. This
device is intended for use in a 3chip DC motor positioning system for applications such as carriage/
daisywheel position control in typewriters.
Features
D
Driving Capability: 2A, 36V, 30kHz
D
2 Logic Chip Enable
D
External Loop Gain Adjustment
D
Single Power Supply: 18V to 36V
D
Input Signal Symmetric to GND
D
Thermal Protection
Absolute Maximum Ratings:
Power Supply, V
S
36V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage, V
I
15V to +V
S
V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inhibit voltage, V
inhibit
0 to V
S
V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Power Dissipation (T
C
= +75
C), P
tot
25W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
opr
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, JunctiontoCase, R
JC
3
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, f
OSC
= 20kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
V
S
18
36
V
Quiescent Drain Current
I
d
V
S
= 20V (Offset Null)
30
50
mA
Input Offset Voltage (Pin6)
V
OS
V
S
= 36V, I
O
= 0
350
mV
Inhibit Low Level (Pin12, Pin13)
V
inh
2
V
Inhibit High Level (Pin12, Pin13)
V
inh
3.2
V
Electrical Characteristics (Cont'd): (T
A
= +25
C, f
OSC
= 20kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Low Voltage Condition
I
inh
V
inh
(L) = 0.4V
100
A
High Voltage Conditions
I
inh
V
inh (H) = 3.2V
10
A
Input Current (Pin6)
I
I
V
I
= 8.8V
1.8
mA
V
I
= +8.8V
0.5
mA
Input Voltage (Pin6)
V
I
R
S1
= R
S2
= 0.2
I
O
= 2A
8.3
V
I
O
= 2A
8.3
V
Output Current
I
O
V
I
=
8.8V, R
S1
= R
S2
= 0.2
2
A
Total Dropout Voltage
V
D
(Including Sensing
I
O
= 2A
5
V
Resistors)
I
O
= 1A
3.5
V
Sensing Resistor Voltage Drop
V
RS
T
J
= +150
C, I
O
= 2A
0.44
V
Transconductance
I
O
R
S1
= R
S2
= 0.2
228
240
260
mA/V
V
i
R
S1
= R
S2
= 0.4
120
mA/V
Frequency Range (Pin10)
f
OSC
1
30
kHz
Truth Table:
V
inhibit
Output Stage
Pin12
Pin13
Condition
L
L
Disabled
L
H
Normal Operation
H
L
Disabled
H
H
Disabled
Note 1. The output stage is also disabled
if the supply voltage falls below
18V.
R
S1
(+) V
S
Inhibit (CE2)
R
S2
OSC (C)
Output (Error Amp)
GND
15
14
13
12
Motor
Inhibit (CE1)
11
OSC (R)
10
9
8
Input (Error Amp)
7
Input
Output C.S.A.
6
5
Comp Input
4
3
2
Motor
1
Pin Connection Diagram
(Front View)
PDF 
ZIP