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參數(shù)資料
| 型號： | LB1998 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive |
| 中文描述： | 三相無刷電機驅(qū)動器為CD - ROM驅(qū)動器主軸 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 91K |
| 代理商： | LB1998 |
LB1998
No. 5979-3/9
Electrical Characteristics
at Ta = 25
°
C, V
CC
1
= 5V, V
CC
2
= 12V
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.
I
CC
1
I
CC
2
I
CC
1OQ
I
CC
2OQ
V
CIN
= V
CREF
V
CIN
= V
CREF
V
S/S
= 0V
V
S/S
= 0V
V
OU
1
V
OD
1
V
CL
I
O
= –0.5A, V
CC
1 = 5V, V
CC
2 = 12V
I
O
= 0.5A, V
CC
1 = 5V, V
CC
2 = 12V
R
RF
= 0.25
V
HCOM
I
HIB
V
HIN
V
CC
1–1.0
mV
P-P
V
S/SH
V
S/SL
I
S/SI
I
S/SL
V
S/S
= 5V
V
S/S
= 0V
V
CIN
pin input current
V
CREF
pin input current
Voltage gain
I
VC
I
VCREF
GV
CO
V
CTH
V
CTH
V
CIN
= V
CREF
= 1.65V
V
CIN
= V
CREF
= 1.65V
V
RF
/
V
C
, Note 1
V
CREF
= 1.65V, Note 1
V
CREF
= 1.65V, Note 1
V
GCOFFSET
G
VGC
V
GCOM
R
INL
FG
SEL
pin at Low level
R
INH
FG
SEL
pin at High level
I
H
V
H
T
TSD
T
TSD
V
BRH
V
BRL
V
FSH
V
FSL
V
CC
1
V
CC
–0.5
V
CC
1
I
H
= 5 mA
min
typ
max
[Power supply current]
Power supply current
8
mA
250
300
mA
Output idle current
200
μ
A
60
μ
A
[Output]
Saturation voltage, upper side 1
V
Saturation voltage, lower side 1
0.3
V
Current limiter setting voltage
0.25
V
[Hall amplifier]
Common mode input voltage range
1.2
V
Input bias current
1
μ
A
Minimum Hall input level
60
[S/S pin]
High level voltage
2.0
V
Low level voltage
0.7
V
Input current
200
μ
A
Leak current
–30
μ
A
[Control]
1
μ
A
1
μ
A
0.25
times
Startup voltage
1.55
1.85
V
Startup voltage width
100
200
mV
[Gain switching amplifier]
Input offset voltage
Design target value
–8
+8
mV
OPEN LOOP voltage gain
f = 10 kHz, Design target value
43
dB
Same-phase input voltage range
0
3.5
V
[Hall power supply]
Hall power supply voltage
0.8
V
Allowable current
20
mA
[Thermal shutdown]
Operating temperature
Design target value
150
180
210
°
C
Hysterisis
Design target value
15
°
C
[Short braking]
Brake pin at High level
4
5
V
Brake pin at Low level
0
1
V
[1 Hall FG/3 Hall FG switching]
4
5
0
1
[Gain switching analog switch]
Analog switch at High level
Analog switch at Low level
0
0.2
Ratings
Parameter
Symbol
Conditions
Unit
1.0
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