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参数资料
| 型号： | LB1922 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 3.1 A, PDIP28 |
| 封装： | HEAT SINK, SDIP-28 |
| 文件页数： | 3/10页 |
| 文件大小： | 101K |
| 代理商： | LB1922 |
No. 5679-2/10
LB1922
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain 1
ICC134
50
mA
Current drain 2
ICC2
In stop mode
8
11
mA
Output saturation voltage 1
VO(sat)1
IO = 1 A, VCC = VM = 10.5 V
2.0
3.0
V
Output saturation voltage 2
VO(sat)2
IO = 2 A, VCC = VM = 10.5 V
2.7
4.2
V
Output leakage current
IOleak
100
A
[7-V Fixed-Voltage Output]
Output voltage
VH
IO = –10 mA
6.65
7.0
7.35
V
Line regulation
VH1VCC = 9.5 to 18 V
50
200
mV
Load regulation
VH2IO = –5 to –20 mA
40
200
mV
[5-V Fixed-Voltage Output]
Output voltage
VX
IO = –5 mA
4.45
4.80
5.15
V
Line regulation
VX1VCC = 9.5 to 18 V
50
200
mV
Load regulation
VX2IO = –5 to –20 mA
5
200
mV
[4-V Fixed-Voltage Output]
Output voltage
VFG
IO = –5 mA
3.65
4.0
4.35
V
Line regulation
VFG1VCC = 9.5 to 18 V
40
200
mV
Load regulation
VFG2IO = –5 to –15 mA
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
81424
mV
Input voltage (low
→ high)
VSLH
7mV
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 = 56 k
, C = 1000 pF
15
kHz
Amplitude
V(CR)
2.0
Vp-p
[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 = –2 mA
5.5
6
V
Output low-level voltage
VOL(FG)
IFG = 2 mA
1
1.5
V
FG input sensitivity
Gain: 100
×
3mV
Following stage Schmitt amplitude
100
180
250
mV
Operating frequency range
2
kHz
Open-loop gain
f(FG) = 2 kHz
45
51
dB
Electrical Characteristics at Ta = 25°C, VCC = VM = 12 V
Continued on next page.
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage range
VCC
9.5 to 18
V
VM
9 to 18
V
FG Schmitt output applied voltage
VFGS
0 to 8
V
IO1
7 V output
0 to –20
mA
Fixed-voltage output current
IO2
5 V output
0 to –20
mA
IO3
4 V output
0 to –15
mA
FG Schmitt output current
IFGS
0 to 5
mA
Lock detection output current
ILD
0 to 20
mA
Allowable Operating Ranges at Ta = 25°C
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