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LB11920 데이터시트 PDF




Sanyo Semicon Device에서 제조한 전자 부품 LB11920은 전자 산업 및 응용 분야에서
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부품번호 LB11920 기능
기능 Three-Phase Brushless Motor Driver for Office Equipment Applications
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LB11920 데이터시트, 핀배열, 회로
Ordering number : ENN7229
Monolithic Digital IC
LB11920
Three-Phase Brushless Motor Driver
for Office Equipment Applications
Overview
The LB11920 is a direct PWM drive motor driver IC for
3-phase power brushless motors. The PWM duty can be
controlled by IC inputs, and it can be used over the wide
supply voltage range of 9.5 to 30 V.
Functions and Features
• Three-phase bipolar drive (35 V, 3.5 A)
• Direct PWM drive
• Built-in high and low side kickback absorbing diodes
• Braking function (short-circuit braking)
• Built-in forward/reverse direction switching circuit
• Full complement of built-in protection circuits,
including current limiter, low-voltage protection, motor
lock (physical constraint) protection, and thermal
protection circuits
• The PWM duty can be controlled by IC inputs
Package Dimensions
unit: mm
3147C-DIP28H (500mil)
[LB11920]
28 15
R1.7
1 14
20.0
26.75
(1.81)
1.78
0.6 1.0
SANYO: DIP-28H
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage 1
Supply voltage 2
Output voltage
Output current
Allowable power dissipation 1
Allowable power dissipation 2
Operating temperature
Storage temperature
Symbol
VM max
VCC max
VOUT max
IO max
Pd max1
Pd max2
Topr
Tstg
Conditions
OUT1 to OUT3
T 500 ms
Independent IC
With an infinitely large heat sink.
Ratings
35
7
35
3.5
3
20
–20 to +80
–55 to +150
Unit
V
V
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
O3003SI (OT) No. 7229-1/10




LB11920 pdf, 반도체, 판매, 대치품
LB11920
Pd max — Ta
24
With an infinitely large heat sink
20
16
12
8
4 Without any heat sink
3
0
–20 0
20 40 60
Ambient temperature, Ta — °C
80 100
ILB01545
Truth Table
Source
F/R = “L”
Sink IN1 IN2 IN3
1
OUT2 OUT1
HLH
2
OUT3 OUT1
HL L
3
OUT3 OUT2
HH L
4
OUT1 OUT2
LHL
5
OUT1 OUT3
L HH
6
OUT2 OUT3
L LH
F/R = “H”
IN1 IN2 IN3
LHL
L HH
L LH
HLH
HL L
HH L
S/S Pin
Input state
High or open
L
IC state
Stopped
Start
PWMIN Pin
Input state
High or open
L
IC state
Output off
Output on
BR Pin
Input state
High or open
L
IC state
Brake state
The PWMIN pin must be held at the low-level voltage when this IC is operated with a voltage applied to the TOC pin.
Pin Assignment
OUT1 NC
28 27
GND2 VM
26 25
RF GND3 IN3+ IN3– IN2+ IN2– IN1+ IN1– CSD TOC
24 23 22 21 20 19 18 17 16 15
LB11920
1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUT2 OUT3 GND2 NC VM RF HP BR PWMIN F/R S/S VCC GND1 PWM
Top view
No. 7229-4/10

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LB11920 전자부품, 판매, 대치품
Continued from preceding page.
Pin No. Pin
Function
LB11920
VCC
Start/stop control pin.
11 S/S Start with L and stop with H or in the open
condition
12 VCC Control circuit power pin
13 GND1 GND pin (control circuit block)
VCC
Equivalent circuit
3.5 k
11
Pin to set the PWM oscillation frequency.
14 PWM
Connect a capacitor between this pin and GND.
200
14
PWM waveform comparator pin.
Normally use with “L” or open. To control the
15 TOC output duty by applying the voltage to this pin
without using the PWMIN pin, set the PWMIN pin
to “L”.
VCC
Pin to set the operation time of motor lock
protection circuit.
16 CSD Insertion of a capacitor (about 10 µF) between
CSD and GND enables setting of the protection
operation time of about 3.5 sec.
VCC
15
300
16
Continued on next page.
No. 7229-7/10

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