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LB11876 데이터시트 PDF




Sanyo Semicon Device에서 제조한 전자 부품 LB11876은 전자 산업 및 응용 분야에서
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기능 Monolithic Digital IC
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LB11876 데이터시트, 핀배열, 회로
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




LB11876 pdf, 반도체, 판매, 대치품
www.datasheet4u.com
Continued from preceding page.
Parameter
CLKIN pin
External input frequency
High-level input voltage
Low-level input voltage
Input open voltage
Hysteresis
High-level input current
Low-level input current
S/S pin
High-level input voltage
Low-level input voltage
Input open voltage
Hysteresis
High-level input current
Low-level input current
F/R pin
High-level input voltage
Low-level input voltage
Input open voltage
Hysteresis
High-level input current
Low-level input current
BRSEL pin
High-level input voltage
Low-level input voltage
Input open voltage
Hysteresis
High-level input current
Low-level input current
CLKSEL pin
High-level input voltage
Low-level input voltage
Input open voltage
Hysteresis
High-level input current
Low-level input current
LB11876
Symbol
Conditions
fI (CKIN)
VIH (CKIN)
VIL (CKIN)
VIO (CKIN)
VIS (CKIN)
IIH (CKIN)
IIL (CKIN)
VCKIN = VREG
VCKIN = 0V
VIH (SS)
VIL (SS)
VIO (SS)
VIS (SS)
IIH (SS)
IIL (SS)
VS/S = VREG
VS/S = 0V
VIH (FR)
VIL (FR)
VIO (FR)
VIS (FR)
IIH (FR)
IIL (FR)
VF/R = VREG
VF/R = 0V
VIH (BSEL)
VIL (BSEL)
VIO (BSEL)
VIS (BSEL)
IIH (BSEL)
IIL (BSEL)
VBSEL = VREG
VBSEL = 0V
VIH (CSEL)
VIL (CSEL)
VIO (CSEL)
VIS (CSEL)
IIH (CSEL)
IIL (CSEL)
VCSEL = VREG
VCSEL = 0V
Ratings
min typ
0.1
2.0
0
VREG –
0.5
0.13
-10
-130
0.21
0
-90
2.0
0
VREG –
0.5
0.13
-10
-130
0.21
0
-90
2.0
0
VREG –
0.5
0.13
-10
-130
0.21
0
-90
2.0
0
VREG –
0.5
0.13
-10
-130
0.21
0
-90
2.0
0
VREG –
0.5
0.13
-10
-130
0.21
0
-90
Unit
max
10
VREG
1.0
VREG
kHz
V
V
V
0.29
10
V
μA
μA
VREG
1.0
VREG
0.29
10
V
V
V
V
μA
μA
VREG
1.0
VREG
0.29
10
V
V
V
V
μA
μA
VREG
1.0
VREG
0.29
10
V
V
V
V
μA
μA
VREG
1.0
VREG
0.29
10
V
V
V
V
μA
μA
No.8317-4/15

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LB11876 전자부품, 판매, 대치품
www.datasheet4u.com
Continued from preceding page.
LB11876
Pin No.
Pin
Description
4 S/S Start/stop control
Low : 0V to 1.0V
High : 2.0V to VREG
This pin goes to the high level when open.
A low level specifies the start state.
Hysteresis : about 0.21V
VREG
Equivalent Circuit
50kΩ
5kΩ
4
5 CLK Clock divisor selection
SEL Low : 0V to 1.0V
High : 2.0V to VREG
This pin goes to the high level when open.
A low level specifies a divisor of two, and a high level
specifies a divisor of 1.
Hysteresis : about 0.21V
VREG
50kΩ
5kΩ
5
6 BR Deceleration (braking) control selection
SEL Low : 0V to 1.0V
High : 2.0V to VREG
This pin goes to the high level when open.
A low level specifies short-circuit braking, and a high
level or open specifies free running operation.
Hysteresis : about 0.21V
VREG
50kΩ
5kΩ
6
7 F/R Forward/reverse selection
Low : 0V to 1.0V
High : 2.0V to VREG
This pin goes to the high level when open.
A low level specifies forward operation.
Hysteresis : about 0.21V
VREG
50kΩ
5kΩ
7
Continued on next page.
No.8317-7/15

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