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參數(shù)資料
| 型號(hào)： | LB1821M |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.03 A, PQFP44 |
| 封裝： | 10 X 10 MM, QFP-44 |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 279K |
| 代理商： | LB1821M |
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No. 5686-11/16
LB1821M
Pin No.
Pin
Functions
Equivalent circuit
Pin Functions
1
INTOUT
Integrating amplifier output (speed control)
2
INTIN
Integrating amplifier inverting input
43
INTREF
Integrating amplifier noninverting input
(a potential of 1/2 VCC)
3
DOUT
Speed discriminator output
Outputs a low level for over speed.
Acceleration → high, deceleration → low
4
POUT
Speed control system PLL output
Outputs the phase comparison result for
1/2 fCLK and 1/2 fFG.
5LD
Speed lock detection output
Open collector output
Goes low when the motor speed is within the speed lock
range (±6.25%).
Continued on next page.
VCC
1
20k
Ω
ILB00717
VCC
43
2
30k
Ω
30k
Ω
200
Ω
ILB00718
200
Ω
VCC
3
ILB00719
VCC
4
ILB00720
VCC
5
ILB00721
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