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MTD2005 Datasheet(PDF) 2 Page - Shindengen Electric Mfg.Co.Ltd

Part # MTD2005
Description  Stepping Motor Driver ICs
PDF  2 Pages
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Manufacturer  SHINDENGEN [Shindengen Electric Mfg.Co.Ltd]
Direct Link  http://www.shindengen.co.jp/
Logo SHINDENGEN - Shindengen Electric Mfg.Co.Ltd

MTD2005 Datasheet(HTML) 2 Page - Shindengen Electric Mfg.Co.Ltd

  MTD2005 Datasheet HTML 1Page - Shindengen Electric Mfg.Co.Ltd MTD2005 Datasheet HTML 2Page - Shindengen Electric Mfg.Co.Ltd  
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Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
MTD2005F
Stepping Motor Driver ICs
●
Setting of Output Current and Chopping Frequency
Fig.1 shows constant current chopping wave form.
○
Output Current setting
○
Chopping Frequency Setting
●
Equivalent Circuit・Basic Application Circuit
●
Pin Assignment
f =
1
0.72・Ct・Rt
Io =
R1+R2
R2
・
Rs
Vcc
Fig.1 Constant current wave form (Motor current / phase)
●True Table
ENA A or B
ENA A or B
Out 1 or 4
Out 2 or 3
LL
L
H
LH
H
L
H
×
OFF
OFF
× : don't care
●Recommended Parts Value
Symbol
Recommended Value
Unit
Rs
0.68
Ω
Rt
13kΩ
Ct
4700
pF
R1+R2
<10kΩ
●Recommended Operating Conditions （Ta=25℃）
Item
Symbol
min.
typ.
max.
Unit
Motor Supply Voltage
Vmm
50
V
Output Current
Io
0.8
A
Output Emitter Voltage
VE
1
V
Logic Supply Voltage
Vcc
4.75
5.25
V
Chopping Frequency
fchop
20
kHz
Operating Temperature
Top
-25
120
℃
●True Table for Current Decay
L
FAST (Sink+Source Chopping)
H
SLOW (Source Chopping)
DECAY
Current Decay Mode



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