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参数资料
| 型号： | LB1998 |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.3 A, PDSO28 |
| 封装： | 0.375 INCH, HSOP-28 |
| 文件页数： | 2/7页 |
| 文件大小： | 120K |
| 代理商： | LB1998 |
LB1998
No.5979-2/7
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1
4 to 6
V
Power supply voltage
VCC2
≥ VCC1
4 to 13.6
V
Sample Application at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1
Regulated voltage
4 to 6
V
12V type
VCC2
Unregulated voltage
4 to 13.6
V
Electrical Characteristics at Ta
= 25°C, VCC1 = 5V, VCC2 = 12V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Power supply current
ICC1
VCIN = VCREF
8
mA
Power supply current
ICC2
VCIN = VCREF
250
300
mA
ICC1OQ
VS/S = 0V
200
A
Output idle current
ICC2OQ
VS/S = 0V
60
A
Output
Saturation voltage, upper side
VOU
IO = -0.5A
1.0
V
Saturation voltage, lower side
VOD
IO = 0.5A
0.3
V
Current limiter setting voltage
VCL
RRF = 0.25
0.25
V
Hall amplifier
Common mode input voltage range
VHCOM
1.2
VCC1-1.0
V
Input bias current
IHIB
1
A
Minimum Hall input
VHIN
60
mVp-p
S/S pin
High level voltage
VS/SH
2.0
VCC1V
Low level voltage
VS/SL
0.7
V
Input current
IS/SI
VS/S = 5V
200
A
Leak current
IS/SL
VS/S = 0V
-30
A
Control
VCIN pin input current
IVC
VCIN = VCREF = 1.65V
1
A
VCREF pin input current
IVCREF
VCIN = VCREF = 1.65V
1
A
Voltage gain
GVCO
VRF/ VC *
0.25
Times
Startup voltage
VCTH
VCREF = 1.65V *Note
1.55
1.85
V
Startup voltage
VCTH
VCREF = 1.65V *Note
100
200
mV
Gain switching amplifier
Input offset voltage
VGCOFFSET
Design target value *Note
-8
+8
mV
OPEN LOOP voltage gain
GVGC
f = 10kHz, Design target value *Note
43
dB
Same-phase input voltage range
VGCOM
0
3.5
V
Hall power supply
Hall power supply voltage
VH
IH = 5mA
0.8
V
Allowable current
IH
20
mA
Thermal shutdown
Operating temperature
TSD
Design target value *Note
150
180
210
°C
Hysterisis
TSD
Design target value *Note
15
°C
Short braking
BRAKE pin at High level
VBRH
4
5
V
BRAKE pin at Low level
VBRL
0
1
V
1 Hall FG/3 Hall FG switching
FGSEL pin at Low level
VFSH
4
5
V
FGSEL pin at High level
VFSL
0
1
V
Gain switching analog switch
Analog switch at High level
RINH
VCC1-0.5
VCC1V
Analog switch at Low level
RINL
0
0.2
V
*Note:
During S/S OFF (standby), the Hall comparator is at High.
Gain switching amplifier operated at a factor of 1.
Design target values are not measured.
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