參數(shù)資料
型號: SAA1042
廠商: Motorola, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: STEPPER MOTOR DRIVER
中文描述: 步進(jìn)電機(jī)驅(qū)動器
文件頁數(shù): 5/6頁
文件大?。?/td> 100K
代理商: SAA1042
SAA1042
5
MOTOROLA ANALOG IC DEVICE DATA
Figure 7. Typical Application
Selectable Step Rates with the Time Base Derived from the Line Frequency
220 k
Set Input
RB
56 k
Steps/Sec
12.5
3
5
1
0.1
μ
F
50 Hz
220 V
15
14
Phase
Comp
MC14046B
16
12 V
VCO
7
6
11
9
2
82 k
8.2
μ
F
4.7 nF
120 k
f0 = 1400 Hz
25
50
100
200
400
800
1
2
712
5
6
9
11
4
3
14
5
3
Set
MC14007
VZ = 3.9 V
12 V
12 V
CW
CCW
Full
Half
Clock
12 V
8
7
10
9
6
14
16
1
3
2
15
11
M
M
S
L
L
Figure 8. Thermal Resistance and Maximum Power
Dissipation versus P.C.B. Copper Length
PD(max) for TA = 70
°
C
R
θ
JA
3.0 mm
1.0
0
2.0 oz
Copper
2.0
10
20
30
40
50
Graph represents symmetrical layout
Printed circuit board heatsink example
0
3.0
4.0
5.0
L, LENGTH OF COPPER (mm)
100
80
60
40
20
0
R
θ
J
PD
J
°
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