LB1890M 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LB1890M Datasheet PDF : 8 Pages
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LB1890M
Truth Table
Source → Sink
Hall-Effect Input
U VW
1
V-phase → W-phase
HH L
2
V-phase → U-phase
LHL
3
W-phase → U-phase
L HH
4
W-phase → V-phase
L
L
H
5
U-phase → V-phase
HLH
6
U-phase → W-phase
H
L
L
When an “H” level exists for hall-effect input,
U+ > U–
V+ > V–
W+ > W–
Index and Timing Chart
When SL equals an “H” level,
• T’ ≈ 0.693CR6
{ ( ) } • t’ ≈
CR6R7
R6 + R7
0.405 + 1n
R6 – R7
R6 – 2R7
When SL equals an “L” level,
• T’ ≈ 0.577CR6
{ ( ) } • t’ ≈
CR6R7
R6 + R7
0.522 + 1n
0.781R6 – R7
R6 – 2R7
Using only the ID pulse involves shorting DT1 and DT2.
No. 4354-7/8
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