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NTE1774 Datasheet(PDF) 1 Page - NTE Electronics

Part No. NTE1774
Description  Integrated Circuit Dual, Bi-Directional Motor Driver
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE1774 Datasheet(HTML) 1 Page - NTE Electronics

   
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NTE1774
Integrated Circuit
Dual, Bi–Directional Motor Driver
Description:
The NTE1774 is a dual bidirectional motor driver. Since each channel has a 2–input logic circuit and
performs bidirectional driving and braking functions, it is capable of direct driving motors of various
types rated at 6V to 24V. The output voltage can be varied by the use of external zener diodes.
This device is especially suited for dual motor drive (reel motor, loading motor, cassette motor in VCR)
and for stepping motor drive applications.
Features:
D Able to Withstand 1A (Max) Dash Current with Contained Motor Drive Power Transistor
D Performs Braking Function at the Motor Stop Mode
D Contains Elements to Absorb Motor Dash Current
D Direct Input Connection for MOS LSI
D Minimum Number of External Parts Required
D Wide Operating Voltage Range
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax
25V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage, VIN
25V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current, IO
±1A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation, PDmax
1.9W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, Topr
–25
° to +75
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–55
° to +125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC
7V to 25V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Current Dissipation
ICC
Braking Mode, RL = ∞ (Per Channel)
7
10
mA
Output Leakage Current
IOL
Braking Mode, RL = ∞ (Per Channel)
40
120
µA
Input Threshold Voltage
Vth
RL = ∞
0.9
1.05
1.20
V
Output Voltage
VO
RL = 60Ω, VZ = 7.4V
6.5
7.2
7.5
V
Output Transistor Saturation Voltage
Vsat1
IOUT = 300mA
1.9
2.3
V
Upper
IOUT = 500mA
2.0
2.4
V
Output Transistor Saturation Voltage
Vsat2
IOUT = 300mA
0.3
0.55
V
Lower
IOUT = 500mA
0.5
0.7
V


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