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LB1927 データシート(PDF) 1 Page - Sanyo Semicon Device

部品番号 LB1927
部品情報  For Office Automation Equipment 3-phase Brushless Motor Driver
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メーカー  SANYO [Sanyo Semicon Device]
ホームページ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1927 データシート(HTML) 1 Page - Sanyo Semicon Device

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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
'sproductsor
equipment.
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.
N1908 MS JM/O0702AS(OT)/D1099TH(KI)/62599RM(KI) No.6197-1/11
LB1927
Overview
The LB1927 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.
Features
• 3-phase bipolar drive (30V, 2.5A)
• 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.
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
≤ 500ms
2.5
A
Allowable power dissipation 1
Pd max 1
Independent IC
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
Monolithic Digital IC
For Office Automation Equipment
3-phase Brushless Motor Driver
Ordering number : EN6197C


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