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參數(shù)資料
| 型號： | L6280 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | THREE CHANNELS MULTIPOWER DRIVER SYSTEM |
| 中文描述： | 三通道移動電站驅(qū)動系統(tǒng) |
| 文件頁數(shù)： | 19/26頁 |
| 文件大?。?/td> | 388K |
| 代理商： | L6280 |
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Ratings of 35V:a max value of 33V is reccom-
mended.
In this case, at each couple of outputs for the bi-
polar windings, a snubber network must be con-
nected. This network is doneby the series of a re-
sistorand of onecapacitor:
R
snub
= V
S
max/Imotorpeak;
C
snub
= Imotorpeak/ (dv/dt)
One dv/dt of 200V/
μ
sec is generally a correct
choice.
Of course, care must be taken in the Printed Cir-
cuit Board design regarding the ground paths and
Figure24:
ApplicationTest Circuit of the L6280
the high current loops.
An example of P.C.B. layout is shown in Figure
29ab; Figure 30 shows the SchematicDiagram of
the circuit of the L6280 S.P.D. S.AB.
The driving signals useful for this board can be
easily generated by using an additional board
(EMU KIT 512) not described here.
On Figure29a it can be observedthe copperarea
near the I.C. is used to sink out the heat from the
device. Useful thermal characteristics of the
L6280are shown in Figure 31 and 32.
L6280
19/26
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