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參數(shù)資料
| 型號： | L6285 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 3 CHANNELS MULTIPOWER SYSTEM |
| 中文描述： | 3通道移動(dòng)電站系統(tǒng) |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 303K |
| 代理商： | L6285 |
The duty cycle DC can be chosen between two
possibilities (High and Low ) than can be defined
externally by the resistors R7, R8 and R9: Fig.5
let well understand how to calculate the dividers
that fix V2 H (wider t
on
) and V2 L (wider t
off
). It
may be needed to drive stepper motors that re-
quire a higher peak current than told above. In
this case each motor phase requires a particular
application arrangement (see Fig.9b). In Fig.9a all
the protection components are integrated with the
exception of Z1. In Fig.9b the clamp of the volt-
age spikes generated by the stray inductance Ls
is achieved using Transil protection T1 and T2
that works also as additional diodes during cur-
rent recirculation at the phase change. The diode
D1, externally connected, is recommended at the
highest working current levels and/or when the
supplied voltage (plus Back EMF) at the end of
the motor windingis too much unbalanced.
Figure 8:
TypicalApplication Circuit
Figure 9a:
Output Configuration as it is obtained
by the ApplicationCircuit
Figure 9b:
OutputConfiguration at Higher Oper-
ating Currents
L6285
12/16
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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