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參數(shù)資料
| 型號(hào)： | M51971FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | MOTOR SPEED CONTROL |
| 中文描述： | 電機(jī)轉(zhuǎn)速控制 |
| 文件頁(yè)數(shù)： | 10/13頁(yè) |
| 文件大?。?/td> | 387K |
| 代理商： | M51971FP |
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MOTOR SPEED CONTROL
M51971L/FP
MITSUBISHI <CONTROL / DRIVER IC>
R + R
SC
9
I
max
=
VI.To switch the set rotating speed in stages with
control signals
VIII. To limit drive current to the motor
VII.Limiting output current at pin
IC from heating
to prevent the
9
IX. Frequency comparator
9
V
max
9
: V
max
9
~
3.2V, R
9
~
100
(See the Electrical Characteristics and Typical Characteristics.)
Note: The selected Hysteresis of the Schmitt circuit must be more than or
equal to the ripple current at pin
(to prevent chattering).
8
R
SC
I
M
max
=
V
BE2
~
1)
R
SC
0.7V
2) To reduce power loss due to a current limiting resistance
I
M
max
= (V
BE2
– V
BE1
) / R
SC
~
(R
2
+ R
3
)
R
SC
0.7V x R
2
R
2
+ R
3
R
3
x
Input/output transmission characteristics
~
1.20 x R
τ
C
τ
1
f
TH1
~
1.09 x R
τ
// R’
τ
x C
τ
x In
1
f
TH2
R’
τ
– 2R
τ
3(R
τ
+ R’
τ
)
R
τ
1
M51971L
M51971FP
7
8
9
5
6
10
M
R
τ
C
τ
M51971L
M51971FP
C
F1
C
F2
R
F
R
1
200
V
CC
Q
1
Q
2
I
M
R
SC
6
7
5
R
τ
2
R
τ
3
C
τ
Control
signal 1
Control
signal 2
7
8
9
5
6
10
M
R
τ
C
τ
M51971L
M51971FP
C
F1
C
F2
R
F
R
SC
V
CC
Q
1
7
8
9
5
6
10
M
R
τ
C
τ
M51971L
M51971FP
C
F1
C
F2
R
F
R
1
200
V
CC
Q
1
Q
2
I
M
R
SC
R
2
R
3
7
8
9
10
6
R
τ
C
τ
M51971L
M51971FP
Frequency input
C
F
V
CC
Output
4
5
R’
τ
R’
τ
> 2R
τ
Schmitt circuit
O
Input frequency
f
TH2
f
TH1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M51971L | MOTOR SPEED CONTROL |
| M51977FP | SWITCHING REGULATIR CONTROL |
| M51977P | SWITCHING REGULATIR CONTROL |
| M51978FP | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| M51978P | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| M51978FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SWITCHING REGULATOR CONTROL |
| M51978P | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SWITCHING REGULATOR CONTROL |
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