NTE1774 데이터 시트보기 (PDF) - NTE Electronics
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NTE1774 Datasheet PDF : 2 Pages
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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
Output Leakage Current
Input Threshold Voltage
Output Voltage
Output Transistor Saturation Voltage
Upper
ICC Braking Mode, RL = ∞ (Per Channel) –
7 10 mA
IOL Braking Mode, RL = ∞ (Per Channel) –
40 120 µA
Vth RL = ∞
0.9 1.05 1.20 V
VO RL = 60Ω, VZ = 7.4V
6.5 7.2 7.5 V
Vsat1 IOUT = 300mA
– 1.9 2.3 V
IOUT = 500mA
– 2.0 2.4 V
Output Transistor Saturation Voltage
Lower
Vsat2
IOUT = 300mA
IOUT = 500mA
– 0.3 0.55 V
– 0.5 0.7 V
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