參數(shù)資料
型號(hào): LB1980H
廠商: Sanyo Electric Co.,Ltd.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Three-Phase Brushless Motor Driver for VCR Capstan Motors
中文描述: 三相無刷電機(jī)錄像機(jī)絞盤馬達(dá)驅(qū)動(dòng)器
文件頁(yè)數(shù): 3/8頁(yè)
文件大?。?/td> 140K
代理商: LB1980H
Continued from preceding page.
Notes : 1.The torque ripple correction ratio is determined as follows from the Rf voltage waveform.
2.Parameters that are indicated as design target values in the conditions column are not tested.
Truth Table and Control Functions
No. 5974-3/8
LB1980H
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Saturation]
Saturation prevention circuit lower
side voltage setting
The voltages between each OUT and
Rf pair when I
O
= 10 mA, Rf = 0.5
, and
V
CTL
= V
LIM
= 5 V
V
O
sat (DET)
0.175
0.25
0.325
V
[TSD]
TSD operating temperature
TSD
TSD
Design target value
*
2
180
°C
Hysteresis width
Design target value
*
2
20
°C
Correction ratio =
2
×
(V
p
– V
b
)100
×
(%)
V
p
– V
b
For each Hall logic setting
Ground level
Source
Sink
Hall input
FR
U
V
W
1
Phase V
Phase W
Phase W
Phase V
Phase U
Phase W
Phase W
Phase U
Phase U
Phase V
Phase V
Phase U
Phase W
Phase V
Phase V
Phase W
Phase W
Phase U
Phase U
Phase W
Phase V
Phase U
Phase U
Phase V
H
H
L
H
L
2
H
L
L
H
L
3
H
L
H
H
L
4
L
L
H
H
L
5
L
H
H
H
L
6
L
H
L
H
L
Note: In the FR column, “H” refers to a voltage of 2.75 V or higher, and “L” refers
to 2.25 V or lower (when V
CC
= 5 V.)
Note: In the Hall input column, “H” refers to the state in the corresponding phase
where the + input is at a potential at least 0.01 V higher than the – input,
and “L” refers to the state where the – input is at a potential at least 0.01 V
higher than the + input.
Note: Since the drive technique adopted is a 180° technique, phases
other than the sink and source phase do not turn off.
Control Function and Current Limiter Function
Control Characteristics
Control Limiter Characteristics
Slope: 0.50 A/V (typical)
I
O
I
O
相關(guān)PDF資料
PDF描述
LB1980 3-Phase Brushless Motor Driver for VCR Capstan Motors
LB1981 Three-Phase Brushless Motor Driver
LB1981V Three-Phase Brushless Motor Driver
LB1987 Three-Phase Brushless Motor Driver for VCR Capstan Motors
LB1987D Three-Phase Brushless Motor Driver for VCR Capstan Motors
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