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參數(shù)資料
| 型號： | LS7561 |
| 廠商： | LSI Corporation |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER |
| 中文描述： | 無刷直流電機(jī)控制器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 97K |
| 代理商： | LS7561 |
PARAMETER SYMBOL MIN TYP MAX UNIT
Output High State (R
L
=15k
to Ground)
V
OH
Output Low State (R
L
= 15k
to V
R
)
V
OL
Output Source or Sink Current
Io
V
R
-
-
-
-
-
-
1.0
1.0
V
V
mA
Oscillator:
Oscillator Frequency
Percentage Frequency Change per Volt
(V
DD
= 10V to 18V)
F
OSC
F
OSC
V
F
21
-
24
0.4
27
1.0
kHz
%/V
Sawtooth High Voltage
Sawtooth Low Voltage
Capacitor Discharge Current
V
OSCP
V
OSCV
I
D
-
0.7
0.6
3.8
1.0
1.0
4.5
-
2.5
V
V
mA
Logic Inputs:
Input Threshold Voltage
(Pins 1, 20, 21, 22, 23, 24, 25, 26, 27)
V
IH
V
IL
3.0
-
2.3
1.8
-
1.4
V
V
Brake and Sensor
(Pins 23, 24, 25, 26)
High State Input Current (V
IN
= 4V)
Low State Input Current (V
IL
= 0V)
I
IH
I
IL
-36
-50
-27
-40
-20
-30
μA
μA
Sequence Select, Top Driver Polarity
Select, PWM Control, Brake Select,
and F/R Select (Pins 1, 20, 21, 22, 27)
High State Input Current (V
IN
= 4V)
Low State Input Current (V
IL
= 0V)
I
IH
I
IL
-16
-25
-12
-17
-8
-10
μA
μA
ENABLE Input Threshold Voltage (Pin 2)
Hysteresis
ENABLE Input Current
V
IH
V
H
I
IN
2.1
0.2
-
2.8
0.3
-
3.2
0.4
10
V
V
nA
Overcurrent Sense Comparator:
Input Threshold Voltage
Input Current
V
IH
I
IN
85
-
100
-
115
10
mV
nA
Outputs:
Closed Loop Control Section:
Tachometer Out
Output High Voltage (Isource = 1.5mA)
Output Low Voltage (I
SINK
= 5mA)
Pulse Width
Capacitor Discharge Current (RC Terminal)
V
OH
V
OL
T
W
I
D
V
R -
0.8
0.18
95
1.8
V
R -
0.5
0.27
105
3
V
R-
.3
0.40
115
7.5
V
V
μs
mA
Output Drivers (Pins 12, 13, 14, 15, 16, 17)
Sourcing 25mA
Sourcing 50mA
Sinking 25mA
Sinking 50mA
Switching Times
(C
L
= 250pF)
Switching Times
(C
L
= 1000pF)
FAULT Output Voltage (I
SINK
= 16mA)
FAULT Off-State Leakage
V
OH
V
OH
V
OL
V
OL
T
R
T
F
T
R
T
F
V
FO
I
F
9.5
8
1.0
2.75
30
35
100
130
47
-
10.5
8.8
1.30
3.40
45
50
150
180
-
10
11
9.5
2.0
4.2
60
65
200
230
-
-
V
V
V
V
ns
ns
ns
ns
k
nA
Under Voltage Lockout:
For V
DD
Hysteresis
For V
R
Hysteresis
V
UV
V
H
V
UVR
V
H
7.0
0.45
3.5
0.16
8.5
0.65
4.1
0.3
10
0.85
4.8
0.4
V
V
V
V
Power Supply Current
V
DD
= 10V
V
DD
= 12V
V
DD
= 18V
I
DD
I
DD
I
DD
-
-
-
2.0
3.0
7.0
2.5
4.0
11.0
mA
mA
mA
7560-040298-3
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