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参数资料
| 型号： | LB1921 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 3.5 A, PDIP28 |
| 封装： | HEAT SINK, SDIP-28 |
| 文件页数： | 4/11页 |
| 文件大小： | 172K |
| 代理商： | LB1921 |
LB1921
No.5439-2/11
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage 1
VCC max
30
V
Maximum supply voltage 2
VM max
30
V
Output current
IO max
T
≤ 100ms
3.5
A
Allowable power dissipation 1
Pd max1
Independent IC
3
W
Allowable power dissipation 2
Pd max2
With an arbitrarily large heat sink
20
W
Operating temperature
Topr
-20 to +80
°C
Storage temperature
Tstg
-55 to +150
°C
Allowable Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power supply voltage range 1
VCC
9.5 to 28
V
Power supply voltage range 2
VM
9 to 28
V
FG Schmitt output applied voltage
VFGS
0 to +8
V
Fixed voltage output current 1
IO1
7V output
0 to -20
mA
Fixed voltage output current 2
IO2
5V output
0 to -20
mA
Fixed voltage output current 3
IO3
4V output
0 to -15
mA
FG Schmitt output current
IFGS
0 to +5
mA
Lock detector output current
ILD
0 to +20
mA
Electrical Characteristics at Ta = 25
°C, VCC = VM = 24V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain 1
ICC1
34
50
mA
Current drain 2
ICC2
Stop mode
8
11
mA
Output saturation voltage 1
VO (sat)1
IO = 1A
2.0
3.0
V
Output saturation voltage 2
VO (sat)2
IO = 2A
2.7
4.2
V
Output leakage current
IO leak
100
A
7V Fixed Voltage Output
Output voltage
VH
IO = -10mA
6.65
7.0
7.35
V
Voltage variation
VH1
VCC = 9.5 to 28V
50
200
mV
Load variation
VH2
IO = -5 to -20mA
40
200
mV
5V Fixed Voltage Output
Output voltage
VX
IO = -5mA
4.45
4.80
5.15
V
Voltage variation
VX1
VCC = 9.5 to 28V
50
200
mV
Load variation
VX2
IO = -5 to -20mA
5
200
mV
4V Fixed Voltage Output
Output voltage
VFG
IO = -5mA
3.65
4.0
4.35
V
Voltage variation
VFG1
VCC = 9.5 to 28V
40
200
mV
Load variation
VFG2
IO = -5 to -15mA
110
200
mV
Hall Amplifier
Input bias current
IHB
-4
-1
A
Common mode input voltage range
VICM
1.5
5.1
V
Hall input sensitivity
60
mVp-p
Hysteresis
VIN
8
14
24
mV
Input voltage low
→ high
VSLH
7
mV
Input voltage high
→ low
VSHL
-7
mV
Oscillator
Output high-level voltage
VOH (CR)
2.8
3.1
3.4
V
Output low-level voltage
VOL (CR)
0.8
1.1
1.4
V
Oscillator frequency
f(CR)
R = 56k
, C = 1000pF
15
kHz
Amplitude
V(CR)
2.0
Vp-p
Continued on next page.
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