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參數資料
| 型號： | M51970L |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | MOTOR SPEED CONTROL |
| 中文描述： | 電機轉速控制 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 71K |
| 代理商： | M51970L |
MOTOR SPEED CONTROL
M51970L
MITSUBISHI <CONTROL / DRIVER IC>
PIN CONFIGURATION (TOP VIEW)
DESCRIPTION
The M51970L is a semiconductor integrated circuit designed to
control the motor rotating speed.
Connection of the rotating speed detector (F-G detector) to the
input keeps the motor rotating speed constant with high precision.
Connection of an appropriate power transistor to the output
controls a wide range of DC motors.
FEATURES
G
Wide range of supply voltage
2.5 – 18V (-20 – +75C)
G
Variation coefficient of supply voltage
±
0.1% standard (4 – 15V)
G
Load variation coefficient
±
0.1% standard
G
Temperature coefficient of rotating speed
±
10 ppm/C (standard)
(-20 – +75C)
G
The built-in over-shoot prevention circuit keeps the over-shoot
low.
G
DC drive system with minimum RFI
APPLICATION
Motor rotating control in the player, tape recorder, etc.
RECOMMENDED OPERATING CONDITIONS
Supply voltage range
2.5 – 18V
Rated supply voltage
9V
Outline 8P5
1
4
3
2
5
6
7
8
(+)GND
Time constant
Input
Stabilized voltage
(–)Power supply
Output
M
Current limit resistance
Integration capacitance
BLOCK DIAGRAM
7
8
1
Time constant
2
4
5
3
6
Integrated capacitance
Current
limit circuit
Current limit
resistance
Output
Current
amplifier
Integrator
Mono
multi-
vibrator
Input
Amplifier
(+)GND
(–)Power
supply
Stabilized
power
supply
Stabilized voltage
Overshoot
prevention circuit
相關PDF資料 |
PDF描述 |
|---|---|
| M51971 | MOTOR SPEED CONTROL |
| M51971FP | MOTOR SPEED CONTROL |
| M51971L | MOTOR SPEED CONTROL |
| M51977FP | SWITCHING REGULATIR CONTROL |
| M51977P | SWITCHING REGULATIR CONTROL |
相關代理商/技術參數 |
參數描述 |
|---|---|
| M51971 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:MOTOR SPEED CONTROL |
| M51971FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:MOTOR SPEED CONTROL |
| M51971L | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:MOTOR SPEED CONTROL |
| M51977FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SWITCHING REGULATIR CONTROL |
| M51977P | 制造商:Panasonic Industrial Company 功能描述:IC SUBBING WITH PQVIM51977P |
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