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LB1928 数据表(PDF) 1 Page - Sanyo Semicon Device

部件名 LB1928
功能描述  Three-Phase Brushless Motor Driver for Office Automation Equipment
Download  11 Pages
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制造商  SANYO [Sanyo Semicon Device]
网页  https://www.sanyo-av.com/us/
标志 SANYO - Sanyo Semicon Device

LB1928 数据表(HTML) 1 Page - Sanyo Semicon Device

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LB1928
No. 6198-1/11
LB1928
Package Dimensions
unit: mm
3147B-DIP28H
Overview
The LB1928 is a 3-phase brushless motor driver well suited
for drum and paper feed motors in laser printers, plain-paper
copiers and other office automation equipment. Direct PWM
drive allows control with low power losses. Peripheral
circuitry including speed control circuit and FG amplifier is
integrated, thus allows drive circuit to be constructed with a
single chip.
Functions and Features
• Three-phase bipolar drive (30V, 3.1A)
• Direct PWM drive technique
• Built-in diode for absorbing output lower-side kickback
• Speed discriminator and PLL speed control
• Speed lock detection output
• Built-in forward/reverse switching circuit
• Built-in protection circuitry includes current limiter,
overheat protection, motor restraint protection, etc.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
D1099TH(KI)/73099RM(KI)
Ordering number : ENN6198A
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Monolithic Digital IC
Three-Phase Brushless Motor Driver
for Office Automation Equipment
[LB1928]
SANYO : DIP28H
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Vcc max
30
V
Maximum output current
IO max
T
≤ 500 ms
3.1
A
Allowable power dissipation 1
Pd max 1
IC only
3
W
Allowable power dissipation 2
Pd max 2
With an arbitrary large heat sink
20
W
Operating temperature
Topr
–20 to +80
°C
Storage temperature
Tstg
–55 to +150
°C
Allowable Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power supply voltage range 1
Vcc
9.5 to 28
V
Regulator voltage output current
IREG
0 to –20
mA
LD output current
ILD
0 to 15
mA
1
14
28
15
0.6
27.0
20.0
R1.7
1.93
1.78
1.0


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