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参数资料
| 型号： | LB1820 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 2.5 A, PDIP28 |
| 封装： | 0.500 INCH, DIP-28 |
| 文件页数： | 2/7页 |
| 文件大小： | 320K |
| 代理商： | LB1820 |
LB1820
No.3302-2/7
Electrical Characteristics at Ta = 25
°C, VCC = VM = 24 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply current 1
ICC1
33
50
mA
Supply current 2
ICC2
Stop mode
3
5
mA
Output saturation voltage
VO (sat)1IO = 1 A
2.1
3.0
V
VO(sat)2IO = 2 A
3.0
4.2
V
Output leak current
IO leak
100
A
Voltage regulator
Output voltage
VH
IVH = 10 mA
3.8
4.15
4.5
V
Voltage variation
VH1VCC = 9.5 to 28 V
60
150
mV
Load variation
VH2IVH = 5 to 20 mA
60
150
mV
Temperature coefficient
–2
mV/
°C
Hall amp
Input bias current
IHB
14
A
Common-mode input voltage
VICM
1.5
2.8
V
Hall input sensitivity
100
mVp-p
Hysteresis width
VIN
24
33
42
mV
Low-to-high input voltage
VSLH
82032
mV
High-to-low input voltage
VSHL
–25
–13
–1mV
Oscillator
High-level output voltage
VOH(CR)
2.9
3.2
3.5
V
Low-level output voltage
VOL(CR)
0.9
1.1
1.3
V
Oscillation amplitude
1.8
2.1
2.4
V
Oscillation frequency
f
R = 30 k
, C = 1500 pF
18.5
kHz
Temperature coefficient
f
0.1
%/
°C
Comparator output voltage
VOSC
IOSC = 20 mA
1.5
V
Current limiter
Limiter 1
VRf1
0.42
0.5
0.6
V
Limiter 2
VRf2
0.4
0.44
0.48
V
Thermal shutdown
temperature
TSD
Design target, Note 1
150
180
°C
Hysteresis width
TSD
30
°C
Low-voltage protection voltage
VLVSD
7.5
8.1
8.7
V
Hysteresis width
VLVSD
0.45
0.6
0.75
V
FG amp
Input offset voltage
VIO(FG)
–10
+10
mV
Input bias current
IB(FG)
–1+1
A
High-level output voltage
VOH(FG)
IFG = –2 mA
5.6
6.2
6.8
V
Low-level output voltage
VOL(FG)
IFG = 2 mA
1
1.5
V
FG input sensitivity
10
× Gain
5
mV
Schmitt width at next stage
16
mV
Operating frequency range
5
kHz
Open-loop voltage gain
60
dB
Speed discriminator
High-level output voltage
VOH(D)
4.7
V
Low-level output voltage
VOL(D)
0.3
V
Maximum clock frequency
1.0
MHz
Number of counts
2044
2046
2048
Integrator
Input offset voltage
VIO(INT)
–10
+10
mV
Input bias current
IB(INT)
–0.4
+0.4
A
High-level output voltage
VOH(INT)
3.7
4.3
4.9
V
Low-level output voltage
VOL(INT)
0.8
1.2
V
Open-loop gain
60
dB
Gain-bandwidth product
1.6
MHz
Reference voltage
–5%
V5/2
5%
V
Note 1: For parameters which have an entry of “design target value” in the “Conditions” column, no measurements are made.
Continued on next page.
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