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LB11876 fiches techniques PDF

Sanyo Semicon Device - Monolithic Digital IC

Numéro de référence LB11876
Description Monolithic Digital IC
Fabricant Sanyo Semicon Device 
Logo Sanyo Semicon Device 





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LB11876 fiche technique
Ordering number : EN8317
www.datasheet4u.com
LB11876
Monolithic Digital IC
For Polygonal Mirror Motors
Three-Phase Brushless Motor Driver
Overview
The LB11876 is a 3-phase brushless motor driver developed for driving the polygonal mirror motor in plain-paper copiers
and similar products. It can support any motor voltage and motor current required by the use of appropriate external
components.
The LB11876 adopts direct PWM drive to achieve drive with minimal power loss.
Functions
This is a version of the LB11875 with a modified constraint protection function.
Three-phase bipolar drive (direct PWM)
PLL speed control circuit
Dedicated external clock
Clock divider switching function
Hall sensor FG support
Short-circuit braking function
Built-in current limiter, thermal protection, constraint protection, and undervoltage protection circuits
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage
Input current
Output current
LVSD pin apply voltage
Symbol
VCC max
I13 max
IO max
LVSD max
Conditions
V13 pin
UL pin, VL pin, WL pin, UH pin, VH pin, and WH pin
Ratings
Unit
18 V
5 mA
30 mA
18 V
Continued on next page.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
41807 TI PC B8-8869 No.8317-1/15

PagesPages 15
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