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LB1921 Datasheet

  • LB1921

  • Three-Phase Brushless Motor Driver for OA Applications

  • 10頁

  • SANYO

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Ordering number : EN5439
Monolithic Digital IC
LB1921
Three-Phase Brushless Motor Driver
for OA Applications
Overview
The LB1921 is a single-chip motor driver circuit that
provides direct PWM drive output appropriate for driving
the power brushless motors used in office automation
equipment. The LB1921 also provides a variety of
peripheral functions, including speed control and FG
amplifier circuits, on chip.
Package Dimensions
unit: mm
3147A-DIP28HS
[LB1921]
Applications
鈥?Paper feed and drum motor drivers in FAX and PPC
units
Functions and Features
鈥?The LB1921 is an improved output current version of
the LB1824.
鈥?Three-phase bipolar brushless motor driver
鈥?Digital speed control circuit
鈥?Thermal shutdown circuit
鈥?Start/stop pin
鈥?Lock detector output
鈥?Crystal oscillator and divider circuits
鈥?FG and error amplifiers
鈥?Power supply current limiter
SANYO: DIP28HS
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
53096HA (OT) No. 5439-1/10

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