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부품번호 | LB11693 기능 |
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기능 | Three-Phase Brushless Motor Driver | ||
제조업체 | Sanyo Semicon Device | ||
로고 | |||
전체 12 페이지수
Ordering number : ENN8095
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SANYO Semiconductors
DATA SHEET
LB11693
Monolithic Digital IC
Three-Phase Brushless Motor Driver
for 24 V Fan Motors
Overview
The LB11693 reduces motor noise by imparting a slope to the output current when switching the phase to which power
is applied. This motor driver includes an automatic recovery constraint protection circuit and is optimal for driving 24 V
fan motors.
Functions and Features
• Soft phase switching + direct PWM drive
• PWM control based on both a DC voltage input (the CTL voltage) and a pulse input
• Provides a 5 V regulator output
• One Hall-effect sensor FG output
• Integrating amplifier
• Automatic recovery constraint protection circuit (on/off = 1/14), RD output
• Current limiter circuit
• LVSD circuit
• Thermal protection circuitt
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
With an infinite heat sink
Ratings
30
1.8
3
20
–30 to +100
–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
N1004TN (OT) No.8095-1/12
Truth Table
Source → Sink
F/R = L
IN1 IN2 IN3
1 OUT2 → OUT1
H
L
H
2 OUT3 → OUT1
H
L
L
3 OUT3 → OUT2
H
H
L
4 OUT1 → OUT2
L
H
L
5 OUT1 → OUT3
L
H
H
6 OUT2 → OUT3
L
L
H
LB11693
F/R = H
IN1 IN2 IN3
LHL
L HH
L LH
HLH
HL L
HH L
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Pin Assignment
OUT1 F/R IN3+ IN3– IN2+ IN2– IN1+ IN1– GND1 PWM TOC EI– EI+ S/S
28 27 26 25 24 23 22 21 20 19 18 17 16 15
LB11693
1234
OUT2 OUT3 GND2 VD
5
VCC
6 7 8 9 10
VM VREG LVS FGFIL FC
11
CSD
12
FG
13 14
RD PWMIN
No.8095-4/12
4페이지 Continued from preceding page.
Pin No. Pin Name
Pin Description
LB11693
VREG
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Equivalent circuit
Motor start/stop control
15 S/S A low level selects start mode, and a high level or open
selects stop mode.
VREG
30 kΩ
5 kΩ
40 kΩ
15
16 EI+ Control amplifier noninverting input
17 EI– Control amplifier inverting input
300 Ω
16
300 Ω
17
VREG
18 TOC PWM waveform comparison (Control amplifier output)
18
PWM comparator
VREG
Sets the PWM oscillator frequency.
19
PWM
Insert a capacitor between this pin and ground.
A value of C = 2200 pF sets the frequency to be about
20 kHz.
40 kΩ
200 Ω
2 kΩ
19
Continued on next page.
No.8095-7/12
7페이지 | |||
구 성 | 총 12 페이지수 | ||
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |