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參數(shù)資料
| 型號： | LB1921 |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 3.5 A, PDIP28 |
| 封裝： | HEAT SINK, SDIP-28 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 172K |
| 代理商： | LB1921 |
LB1921
No.5439-3/11
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current Limiter Operation
Limiter
VCC-VM
0.4
0.5
0.6
V
Thermal Shutdown Operation
Thermal shutdown operating temperature
TSD
Design target value
150
180
°C
Hysteresis
TSD
50
°C
FG Amplifier
Input offset voltage
VIO (FG)
-10
+10
mV
Input bias current
IB (FG)
-1
+1
A
Output high-level voltage
VOH (FG)
IFG = -2mA
5.5
6
V
Output low-level voltage
VOL (FG)
IFG = 2mA
1
1.5
V
FG input sensitivity
Gain : 100×
3
mV
Schmitt width at next stage
100
180
250
mV
Operating frequency range
2
kHz
Open-loop gain
f(FG) = 2kHz
45
51
dB
FGS Output
Output saturation voltage
VO (FGS)
IO (FGS ) = 2mA
0.1
0.5
V
Output leakage current
IL (FGS)
VO = 5V
10
A
Speed Discriminator
Output high-level voltage
VOH (D)
4.0
4.3
V
Output low-level voltage
IOL (D)
0.8
1.1
V
Counts
512
PLL Output
Output high-level voltage
VOH (P)
3.2
3.5
3.8
V
Output low-level voltage
VOL (P)
1.2
1.5
1.8
V
Lock Detector
Output low-level voltage
VOL (LD)
ILD = 10mA
0.15
0.5
V
Lock range
6.25
%
Integrator
Input bias current
IB (INT)
-0.4
+0.4
A
Output high-level voltage
VOH (INT)
3.7
4.3
V
Output low-level voltage
VOL (INT)
0.8
1.2
V
Open-loop gain
60
dB
Gain-bandwidth product
1.6
MHz
Reference voltage
-5%
VX/2
+5%
V
Crystal Oscillator
Operating frequency range
fOSC
1
10
MHz
Start/Stop Pin
Input high-level voltage
VIH (S/S)
4.0
V
Input low-level voltage
VIL (S/S)
1.5
V
Pull-down resistor
RD (S/S)
30
50
70
k
Reversing Pin
Input high-level voltage
VIH (F/R)
4.0
V
Input low-level voltage
VIL (F/R)
1.5
V
Hysteresis
VIN
0.5
V
Pull-down resistor
RD (F/R)
30
50
70
k
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