MTD1121F 데이터 시트보기 (PDF) - Shindengen
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MTD1121F Datasheet PDF : 5 Pages
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Stepper Motor Driver IC
MTD Series
MTD1121F
Unipolar PWM Stepper Motor Driver
Features
● Unipolar stepper motor driver
● Constant current control function（Fixed OFF Time）
● Logic supply voltage 3.3V
● TTL, CMOS compatible input
● 4-Phase input (Simultaneous ON prevention function)
● Built-in flywheel diodes
● Surface mount package with heat sink(HSOP28)
HSOP28
■Absolute maxmum ratings / Ta=25℃
Parameter
Symbol
Rating
Unit
Output voltage
Output current
Logic supply
VCEO(SUS)
80
V
IOUT
1.2
A
Vcc
0〜3.6
V
Logic input
Power dissipation *
Storage temperature
VLOGIC
0〜Vcc
V
PD
3
W
Tstg
-40〜150
℃
Maximum Junction temperature
Tj
150
℃
*50.8×50.8×1mm3 Glass Epoxy Board(FR4),250mm2 Cupper Pattern
■Pin Assignment
MTD1121F
OUT A
1
Rs A
2
OUT A
3
NC
4
NC
5
NC
6
NC
7
TOP VIEW
28
PG A
27
IN A
26
IN A
25
Vs A
24
Vref A
23
CR A
22
Vcc
■Truth table
IN A or B
L
L
H
H
IN A or B
L
H
L
H
OUT A or B
OFF
OFF
ON
OFF
OUT A or B
OFF
ON
OFF
OFF
COM
8
NC
9
NC
10
NC
11
OUT B
12
Rs B
13
OUT B
14
21
LG
20
CR B
19
Vref B
18
Vs B
17
IN B
16
IN B
15
PG B
Shindengen Electric Mfg.Co.Ltd
W1001
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