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参数资料
| 型号： | LB11981 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO28 |
| 封装： | 0.275 INCH, HSOP-28 |
| 文件页数： | 2/7页 |
| 文件大小： | 76K |
| 代理商： | LB11981 |
LB11981
No.6656-2/7
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage 1
VCC
*
8 (5) to 28
V
Supply voltage 2
VCCM
8 to 28
V
Note : * This device should normally be used with VCC ≥ 8V. If used with 5V ≤ VCC < 8V, short the VCC and VREG pins together. Note that in this case the
electrical characteristics of the device become more easily influenced by fluctuations in the VCC supply voltage.
Electrical Characteristics at Ta
= 25°C, VCC = VCCM = 18V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply current 1
ICC
8.8
11
13.2
mA
Supply current 2
ICCM
LKC = 5V
480
600
720
μA
Internal power supply
VREF
4.75
5.0
5.25
V
Internal supply load regulation
ΔVREF
ILOAD = -5mA
30
50
mV
Output saturation voltage 1
VOsat1
IO = 0.4A, Source + Sink
1.4
1.7
V
Output saturation voltage 2
VOsat2
IO = 0.8A, Source + Sink
2.0
2.4
V
MCOM pin common-mode input
voltage range
VIC
0
VCC-2
V
PCOUT pin output current 1
IPCOU
Source side
-120
-100
-80
μA
PCOUT pin output current 2
IPCOD
Sink side
80
100
120
μA
VCOIN pin input current
IVCOIN
VCOIN = 4V
1
2
μA
Minimum VCO frequency
fVCO min
VCOIN = open
0.85
1
1.15
kHz
Maximum VCO frequency
fVCO max
VCOIN = 5V
36
42
48
kHz
Maximum CX pin charge/discharge
current
ICX max
VCOIN = 5V
550
650
750
μA
Minimum CX pin charge/discharge
current
ICX min
VCOIN = open
11
14
17
μA
Thermal shutdown circuit operating
temperature
TTSD
Design target value *
150
180
210
°C
Thermal shutdown circuit hysteresis
ΔTTSD
Design target value *
15
°C
BFGO pin output saturation voltage
VsatFG
ILOAD = 1mA
0.2
0.4
V
Lock detection circuit
LKC pin voltage threshold
Vth
3.7
4
4.3
V
Threshold level hysteresis
ΔVth
1.8
2
2.2
V
LKC pin charge current
Ichg
V (LKC) = 0V
0.8
1
1.2
μA
LKC pin discharge current
Idis
V (LKC) = 4.2V
0.52
0.65
0.78
μA
LAT pin input current
ILAT
V (LAT) = 0V, V (LKC) = 4.2V
3.2
4
4.8
μA
LKO pin saturation voltage
VsatFG
ILOAD = 1mA, V (LKC) = 4.2V
0.2
0.4
V
Low-voltage cutoff circuit
Low-voltage detection voltage
VT
VREG pin detection
38
4
4.2
V
Hysteresis
ΔVF
150
180
210
mV
Forward/Reverse circuit
INFR pin input current
IINFR
V (INFR) = 5V
38
43
48
μA
INFR pin high-level input threshold
voltage
VINH
3.0
V
INFR pin low-level input threshold
voltage
VINL
1.0
V
Note : * Design target values are not tested.
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