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參數(shù)資料
| 型號： | LB1821M |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.03 A, PQFP44 |
| 封裝： | 10 X 10 MM, QFP-44 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 279K |
| 代理商： | LB1821M |
No. 5686-3/16
LB1821M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Output low-level voltage
VOL(RK)1
0.8
1.1
1.4
V
VOL(RK)2VCC = 5 V
0.6
0.9
1.2
V
External capacitor charge current
ICHG1
–17
–13
–9
μA
External capacitor discharge current
ICHG2
9
13
17
μA
Oscillator frequency
f (RK)
C = 0.068 μF35
Hz
Amplitude
V(RK)1
2.2
2.4
2.6
Vp-p
V(RK)2VCC = 5 V
1.7
1.9
2.1
Vp-p
[VCO Oscillator]
Pin C output high-level voltage
VOH(C)1
4.1
4.3
4.6
V
VOH(C)2VCC = 5 V
3.2
3.4
3.6
V
Pin C output low-level voltage
VOL(C)1
3.6
3.9
4.1
V
VOL(C)2VCC = 5 V
2.8
3.0
3.2
V
Oscillator frequency
f (C)
1.0
MHz
Amplitude
V(C)
0.2
0.4
0.6
Vp-p
[Current Limiter Operation]
Limiter
VRF
0.47
0.52
0.57
V
[Thermal Shutdown Operation]
Thermal shutdown operating temperature
TSD
Design target value
150
180
°C
Hysteresis
ΔTSD
Design target value
30
°C
VREG pin voltage
VREG
6.6
7.0
7.3
V
[FG Amplifier]
Input offset voltage
VIO(FG)
–10
+10
mV
Input bias current
IB(FG)
–1
+1
μA
Output high-level voltage
VOH(FG)
VCC – 1.5
VCC – 1
V
Output low-level voltage
VOL(FG)
11.5
V
FG input sensitivity
Gain: 100×
3mV
Schmitt amplitude for the next stage
100
180
250
mV
Operating frequency range
16
kHz
Open-loop gain
f (FG) = 2 kHz
45
51
dB
[FGS Output]
Output saturation voltage
VO(FGS)
IO(FGS) = 2 mA
0.1
0.5
V
Output leakage current
IL(FGS)
VO = VCC
10
μA
[Speed Discriminator Output]
Output high-level voltage
VOH(D)
VCC – 1.0
VCC – 0.7
V
Output low-level voltage
VOL(D)
0.4
1.1
V
[Speed Control PLL Output]
Output high-level voltage
VOH(P)1
4.05
4.35
4.65
V
VOH(P)2VCC = 5 V
3.25
3.55
3.83
V
Output low-level voltage
VOL(P)1
1.85
2.15
2.45
V
VOL(P)2VCC = 5 V
1.25
1.55
1.85
V
[VCO PLL Output]
Output high-level voltage
VOH(VCO)
5.3
5.6
V
Output low-level voltage
VOL(VCO)
0.4
11
V
[Lock Detection]
Output saturation voltage
VOL(LD)
ILD = 10 mA
0.1
0.5
V
Output leakage current
IL(LD)
VO = VCC
10
μA
Lock range
–6.25
+6.25
%
[Integrator]
Input offset voltage
VIO(INT)
–10
+10
mV
Input bias current
IB(INT)
–0.4
+0.4
μA
Output high-level voltage
VOH(INT)
VCC – 1.2
VCC – 0.8
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
VB(INT)
–5%
VCC/2
5%
V
Continued from preceding page.
Continued on next page.
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