MTD2006F Просмотр технического описания (PDF) - Shindengen
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MTD2006F Datasheet PDF : 5 Pages
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SHINDENGEN
Stepper Motor Driver ICs
g Internal equation circuit / Typical application
MTD2006F
Vcc=5V
19
Vcc
Vcc=5V
Alarm
Feedback
3
OUT1
7
1
14
8
OUT2 VmmA VmmB OUT3
12
OUT4
ALARM
120deg. 140deg.
24
ALARM
ENA A
27
PHA A
26
DECAY
18
ENA B
16
PHA B
17
DECAY
Vcc=5V
BLANK
Rt
25
CR
QR
S
Current
- Sensor
+
Ct
VsA
LG A
VrefA
28
23 22
RsA
5
Current
Sensor -
+
RQ
S
PG
RsB
TAB
10
VsB
VrefB
21 20
LG B
15
Rs
Rs
Vcc=5V
R1
R2
Constant chopping current level Chopping frequency
Vref
Io =
Rs
1
f＝
0.75・Ct・Rt
Recommended component values
Symbol
Value
Unit
Rt
7.5 to 30
kΩ
Ct
2200 to 4700
pF
R1+R2
≦10
kΩ
Shindengen Electric Mfg.Co.Ltd
0212
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