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| 型號： | LB1823 |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.03 A, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 280K |
| 代理商： | LB1823 |
No. 4263-11/11
LB1823
14. Servo constants
The servo constant calculation varies significantly with the motor used, and requires specialized know-how. Thus
this should be handled by the motor manufacturer. We can provide the IC characteristics data required for the servo
constants calculations as well as frequency characteristics simulation data for the filter constants set by the motor
manufacturer. If the resistor between DOUT and INT.IN (R4) is too small, the values of C6 and C7 will become large.
If R4 is too large, speed errors will be likely to occur due to the speed discriminator cutoff current and the integrator
input current. Therefore, we think that a value in the range 10 to 100 kΩ is appropriate. If the resistor between POUT
and INT.IN (R3) is too small, the influence of the PLL system will be too large and pull-in to lock synchronization
will be degraded. Therefore, this resistor should not be too small. (We recommend a value of about 1 MΩ when R4
is 75 kΩ.) First determine the constants for the speed discriminator system only (R4, R5, C6 and C7), and then
determine the value of R3 in the PLL system.
This catalog provides information as of January, 1997. Specifications and information herein are subject to
change without notice.
■ No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace
equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of
which may directly or indirectly cause injury, death or property loss.
■ Anyone purchasing any products described or contained herein for an above-mentioned use shall:
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and
distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all
damages, cost and expenses associated with such use:
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on
SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees
jointly or severally.
■ Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied
regarding its use or any infringements of intellectual property rights or other rights of third parties.
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| LB1823-F-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
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