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LB1945H

ON Semiconductor
Part Number LB1945H
Manufacturer ON Semiconductor
Description Stepping Motor Driver
Published Jan 12, 2016
Detailed Description Ordering number : EN6193B LB1945H Monolithic Digital IC PWM Current Control Type Stepping Motor Driver http://onsemi.c...
Datasheet PDF File LB1945H PDF File

LB1945H
LB1945H

Overview
Ordering number : EN6193B LB1945H Monolithic Digital IC PWM Current Control Type Stepping Motor Driver http://onsemi.
com Overview The LB1945H is a PWM current control type stepping motor driver.
Feature • PWM current control (external excitation) • Load current digital selection (1-2, W1-2, and 2 phase excitation drives possible) • Built-in upper/lower diode • Simultaneous ON prevention function (feed-through current prevention) • Built-in thermal shutdown circuit • Built-in noise canceler Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Maximum motor supply voltage Output peak current Output continuous current Logic supply voltage Logic input voltage range Emitter output voltage Allowable power dissipation VBB max IO peak IO max VCC max VIN max VE max Pd max tw ≤ 20μs Mounted on a specified board * Operating temperature Topr Storage temperature Tstg * Specified board: 114.
3mm × 76.
1mm × 1.
6mm, glass epoxy board.
Ratings 30 1.
0 0.
8 6.
0 -...


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