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LB11923V Datasheet

  • LB11923V

  • Three-Phase Brushless Motor Driver

  • 205.29KB

  • 19頁

  • SANYO

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Ordering number : ENN7498
Monolithic Digital IC
LB11923V
Three-Phase Brushless Motor Driver
Overview
The LB11923V is a pre-driver IC designed for variable-
speed control of 3-phase brushless motors. It can be used
to implement a motor drive circuit with the desired output
capacity (voltage, current) by using discrete transistors for
the output stage. It implements direct PWM drive for
minimal power loss. Since the LB11923V includes a built-
in VCO circuit, applications can control the motor speed
arbitrarily by varying the external clock frequency.
Package Dimensions
unit: mm
3277-SSOP44
[LB11923V]
15.0
44
23
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Direct PWM drive output
Speed discriminator + PLL speed control circuit
Speed lock detection output
Built-in crystal oscillator circuit
Forward/reverse switching circuit
Braking circuit (short braking)
Full complement of on-chip protection circuits,
including lock protection, current limiter, and
thermal shutdown protection circuits.
1
(0.68)
0.65
0.22
5.6
7.6
22
(1.5)
1.7max
0.2
SANYO: SSOP44 (275 mil)
Specifications
Absolute Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Maximum input current
Output current
Allowable power dissipation 1
Allowable power dissipation 2
Operating temperature
Storage temperature
Symbol
V
CC
max
I
REG
max
I
O
max
Pd max1
Pd max2
Topr
Tstg
V
REG
pin
UH, VH, WH, UL, VL, and WL outputs
Independent IC
When mounted on the specified PCB
(114.3
脳
76.1
脳
1.6 mm glass epoxy PCB)
Conditions
Ratings
8
2
30
0.62
1.79
鈥?0 to +80
鈥?5 to +150
Unit
V
mA
mA
W
W
擄C
擄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鈥檚
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
21604TN (OT) No. 7498-1/19
0.1
0.5

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