MTD2001 查看數據表（PDF） - Shindengen
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MTD2001 Datasheet PDF : 2 Pages
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Stepping Motor Driver ICs
● Equivalent Circuit・Basic Application Circuit
MTD2001
●Pin Assignment
●True Table
●Recommended Parts Value
ENA A or B IN 1 or 4 IN 2 or 3 Out 1 or 4 Out 2 or 3
Symbol Recommended Value
Unit
L
L
L
OFF
OFF
Rs
0.68
Ω
L
L
H
L
H
RF
2
kΩ
L
H
L
H
L
CF
1000
pF
L
H
H
OFF
OFF
Rt
15
kΩ
H
×
×
OFF
OFF
Ct
3300
pF
× : don't care
R1+R2
<10
kΩ
●Setting of Output Current and Fixed Off Time
Fig.1 shows constant current chopping wave form.
○Output Current setting
Io =
R2
R1+R2
・
Vcc
Rs
○Fixed Off Time Setting
Toff=0.69・Ct・Rt
Fig.1 Constant current wave form (Motor current / phase)
●Recommended Operating Conditions （Ta=25℃）
Item
Symbol
min.
typ.
max.
Unit
Motor Supply Voltage
Vmm
10
50
V
Output Current
IO
1.2
A
Output Emitter Voltage
Logic Supply Voltage
VE
VCC
4.75
1.5
V
5.25
V
Chopping Frequency
fchop
20
27
kHz
Operating Temperature
Top
-25
120
℃
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
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