FAN8705 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FAN8705 Datasheet PDF : 24 Pages
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1.1.2 Four Input 1-2 Phase Excitation Mode1
SEL
IN1
IN2
IN3
IN4
L
L
L
L
H
L
H
L
L
X
H
L
H
H
H
L
H
H
H
L
X
H
H
H
H
L
X
H
H
H
L
H
H
H
L
L
X
note
1. X : Don’t care.
2. Z : High impedence.
IN1
OUT1
Z
H
Z
L
L
L
Z
H
H
OUT2
Z
L
Z
H
H
H
Z
L
L
OUT3
Z
H
H
H
Z
L
L
L
Z
OUT4
Z
L
L
L
Z
H
H
H
Z
Function
Stand-by(Stop)
S1
S2
S3
S4
S5
S6
S7
S8
IN2
IN3
IN4
CH1
Current
CH2
Current
S1 S2 S3 S4 S5 S6 S7 S8
High Impedence
VM1
IN1
IN2
DSP
IN3
or
Micom
IN4
VDD
SEL
Constant
Voltage
H-bridge
CH1
Constant
Voltage
H-bridge
CH2
Don’t care
OUT1
STEP
M
OUT2
OUT3
OUT4
14
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FAN8705 Rev. 1.0.1
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