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LB11822 fiches techniques PDF

Sanyo Semicon Device - Three-Phase Brushless Motor Driver

Numéro de référence LB11822
Description Three-Phase Brushless Motor Driver
Fabricant Sanyo Semicon Device 
Logo Sanyo Semicon Device 





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LB11822 fiche technique
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Ordering number : ENN7105
Monolithic Digital IC
LB11822
Three-Phase Brushless Motor Driver for OA Products
Overview
The LB11822 is a three-phase brushless motor driver that
is optimal for driving drum and paper feed motors in laser
printers and plain paper copiers. This IC adopts a direct
PWM drive technique for minimal power loss. Flexible
control of motor speed in response to an externally
provided clock frequency (corresponding to the FG
frequency) can be implemented by using the LB11822 in
conjunction with the Sanyo LB11825M.
Functions and Features
• Three-phase bipolar drive (30 V, 3.1 A)
• Direct PWM drive
• Built-in low side inductive kickback absorbing diode
• Speed discriminator + PLL speed control
• Speed locked state detection output
• Built-in forward/reverse switching circuit
• Full complement of built-in protection circuits,
including current limiter circuit, thermal protection
circuit, and motor lock protection circuit.
Package Dimensions
unit: mm
3147B-DIP28H
[LB11822]
28 15
R1.7
1 20.0 14
27.0
1.93 1.78
0.6 1.0
SANYO: DIP28H
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage
Output current
Allowable power dissipation 1
Allowable power dissipation 2
Operating temperature
Storage temperature
Symbol
VCC max
IO max
Pd max1
Pd max2
Topr
Tstg
Conditions
T 500 ms
Independent IC
When infinitely large heat sink
Ratings
30
3.1
3
20
–20 to +80
–55 to +150
Unit
V
A
W
W
°C
°C
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N1703SI (OT) No. 7105-1/11
DataSheet4 U .com

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