LB1848MC 查看數據表（PDF） - ON Semiconductor

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LB1848MC

Low-Voltage/Low Saturation Voltage Type Bidirectional Motor Driver

ON Semiconductor 

LB1848MC

SOF pin (“Soft off” function) operation

The soft off function reduces power supply line noise due to the kickback current generated when the stepping motor

drive mode is switched from drive to standby. The “soft off” function provided by this IC operates when a capacitor

(0.001 to 0.01µF) is connected between the SOF pin and ground. (Leave the SOF pin open to disable the soft off

function.)

The waveforms for each pin are shown below.

ENA

IN1

IN2

OUT1

OUT2

OUT3

OUT4

VCC

SOF

No kickback noise

No.A2036-4/6

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