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DATASHEET PDF838.pdf
Overview
The LB1838M is a low-saturation two-channel bidirectional
motor driver IC for use in low-voltage applications.
The LB1838M is a bipolar stepper-motor driver IC that is ideal
for use in printers, FDDs, cameras and other portable devices.

Features
. Low voltage operation (2.5 V min)
. Low saturation voltage (upper transistor + lower transistor
residual voltage; 0.40 V at 400 mA).
. Through-current prevention circuit built in
. Separate logic power supply and motor power supply
. Spark killer diodes built in
. Thermal shutdown circuit built in
. Compact package (14-pin MFP)