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LB1847 データシート(PDF) 4 Page - Sanyo Semicon Device

部品番号 LB1847
部品情報  PWM Current Control Type Stepping Motor Driver
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メーカー  SANYO [Sanyo Semicon Device]
ホームページ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1847 データシート(HTML) 4 Page - Sanyo Semicon Device

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LB1847
No. 5982-4/16
PHASE
ENABLE
HL
HL
LLL
H
HOFF
OFF
Truth table
Set current truth table
* Current ratio (%) is the calculated set current value.
Current decay switching truth table
Current decay mode
DECAY pin
MD pin
Output chopping
SLOW DECAY
H
L
Top-side chopping
FAST DECAY
L
L
Dual-side chopping
4V to 1.5V input
CR voltage > MD : dual-side chopping
voltage setting
CR voltage < MD : top-side chopping
MIX DECAY
L
OUTA
OUTA
Set current Iout
Current ratio (%)
1111
100
1110
95.65
1101
91.30
1100
86.95
1011
82.61
1010
78.26
1001
73.91
1000
69.56
0111
60.87
0110
52.17
0101
43.48
0100
34.78
0011
26.08
0010
17.39
IA4IA3
IA2
IA1
11.5/11.5 X VREF/3.04RE=Iout
11.0/11.5 X VREF/3.04RE=Iout
10.5/11.5 X VREF/3.04RE=Iout
10.0/11.5 X VREF/3.04RE=Iout
9.5/11.5 X VREF/3.04RE=Iout
9.0/11.5 X VREF/3.04RE=Iout
8.5/11.5 X VREF/3.04RE=Iout
2.0/11.5 X VREF/3.04RE=Iout
8.0/11.5 X VREF/3.04RE=Iout
7.0/11.5 X VREF/3.04RE=Iout
6.0/11.5 X VREF/3.04RE=Iout
5.0/11.5 X VREF/3.04RE=Iout
4.0/11.5 X VREF/3.04RE=Iout
3.0/11.5 X VREF/3.04RE=Iout


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