LB1847 データシートの表示（PDF） - SANYO -> Panasonic

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LB1847

Monolithic Digital IC PWM Current Control Type Stepping Motor Driver

SANYO -> Panasonic 

MIX DECAY

E pin

LB1847

Noise spike

tm

Output pin

tn

RC pin

Output pin

ton

toff

Switching waveform

ton : Output ON time

toff : Output OFF time

tm : FAST DECAY time in MIX DECAY mode

tn : Noise cancelling time

MIX DECAY logic setting

DECAY pin : L

MD pin : 1.5V to 4.0V voltage setting

CR voltage and MD pin voltage are compared to select dual-side chopping or upper-side chopping.

CR voltage > MD pin voltage: dual-side chopping

CR voltage < MD pin voltage: upper-side chopping

No.5982-8/15

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