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参数资料
| 型号： | LB11885 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.2 A, PDSO48 |
| 封装： | 0.375 INCH, HSSOP-48 |
| 文件页数： | 12/18页 |
| 文件大小： | 155K |
| 代理商： | LB11885 |
LB11885
No.7884-3/18
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
C_CNT input current
ICCTL
C_CNT = 3V
2.0
A
C_CNT control start voltage
VCCNTST
C_RF = 0.5
2.4
2.5
2.6
V
C_CNT gain
GCCNT
C_RF = 0.5
0.49
0.53
0.57
V/V
C_CNT pin short brake release voltage
BROFF2
1.1
1.4
V
F/R forward voltage
VFW
1.5
VREG
V
F/R reverse voltage
VRW
0
1
V
F/R input current
IFR
C_FR = 3V
100
200
A
FG amplifier reference voltage
VFGR
2.40
2.50
2.60
V
Linear amplifier gain DC
GDC
47
50
53
fold
Hysteresis amplifier output voltage
VHO
IHO = 4mA
0.2
0.4
V
Hysteresis of hysteresis amplifier
VHS
Both hysteresis
60
75
90
mV
Hysteresis amplifier output duty ratio
FGDT
360Hz Fgin = 40mVp-p
49
50
51
%
PWM carrier frequency
FOSC
C_PWM = 680pF
18.5
21.7
25.0
kHz
Internal current limiter setup voltage
CLIM
RF = 100
0.60
0.675
0.75
V
Drum Motor Unit at Ta = 25
°C, VREG = 5V, DVCC = 12V
Output saturation voltage 2
DVSAT2
0.6A, Source+Sink
1.8
2.6
V
D_CNT input voltage range
VD_CNT
0
VREG
V
D_CNT input current
IC_CNT
D_CNT = 3V
0.5
A
D_CNT control start voltage
D_CNTST
2.40
2.50
2.60
V
D_CNT gain
GD_CNT
0.40
0.50
0.60
V/V
PCOUT output current 1
IPCOU
Source side
20
45
A
PCOUT output current 2
IPCOD
Sink side
20
45
A
VCOIN input current
IVCOIN
VCOIN = 3V, sink current
1
A
Minimum VCO frequency
FVCO min
CX = 0.022
F, VCOINN = Open
330
410
500
Hz
Maximum VCO frequency
FVCO max
CX = 0.022
F, VCOIN = 5V
18.3
22.8
27.4
kHz
C1/C2 source current ratio
RSOURCE
1-(IC1SOURCE/IC2SOURCE)
-12
0
12
%
C1/C2 sink current ratio
RSINK
1-(IC1SINK/IC2SINK)
-12
0
12
%
C1 source/sink current ratio
RC1
IC1SOURCE/IC1SINK
40
50
60
%
C2 source/sink current ratio
RC2
IC2SOURCE/IC2SINK
40
50
60
%
FGO output high level voltage
VFGH
4.7
V
FGO output low level voltage
VFGL
0.4
V
PG amplifier reference voltage
VPGREF
2.8
3.0
3.2
V
PG amplifier input offset
OPG
-5
+5
mV
PG amplifier input bias
IPG
PG- = 2.5V, source current
0.25
A
Linear amplifier gain
GAMP
Freq = 1kHz
50
dB
Hysteresis amplifier threshold level 1
VHYS1
70
100
130
mV
Hysteresis amplifier threshold level 2
VHYS2
140
200
260
mV
PG output high level voltage
VPH
4.7
V
PG output low level voltage
VPL
0.2
V
FG/PG mix MID voltage
Vmid
2.4
2.5
2.6
V
Internal current limiter setup voltage
DLIM
RF = 100
0.30
0.33
0.36
V
Loading Unit at Ta = 25
°C, VREG = 5V, LVCC = 12V
1 (HIGH)
VINH
4
5
2 (Middle)
VINM
2
3
Input voltage
3 (LOW)
VINL
0
1
Continued on next page.
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