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LB1945H データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 LB1945H
部品説明 Stepping Motor Driver
メーカ ON Semiconductor
ロゴ ON Semiconductor ロゴ 

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LB1945H Datasheet, LB1945H PDF,ピン配置, 機能
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
-0.3 to VCC
1.0
1.9
-20 to +90
-55 to +150
Unit
V
A
A
V
V
V
W
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
June, 2013
30409 MS / 82799RM(KI) No.6193-1/7

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