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参数资料
| 型号： | LB8109M |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 0.8 A, PQFP44 |
| 封装： | QFP-44 |
| 文件页数： | 2/9页 |
| 文件大小： | 640K |
| 代理商： | LB8109M |
LB8109M
No. 5233-2/9
Parameter
Symbol
Conditions
min
typ
max
Unit
[Power Supply Block]
Standby current drain
ICCO
S/S = [H], the total of VCC and VCD
20
mA
VCC no-signal current drain
ICC
S/S = [L], VCC line only
7.0
10.0
mA
VCD no-signal current drain
ICD
S/S = [L], with no driver input
5.0
8.0
mA
[Externally set step-up circuit]
ASP drive output current
IO ASPDRV
VASP = 1 V
2.2
2.8
3.4
mA
Reference voltage of step-up
circuit
Vref ASP
Determined at ASP drive pin
1.23
1.28
1.33
V
VASP pin input bias current
IBV ASP
VASP = 1.5 V
200
nA
UPBASE pin saturation
voltage
VO UPBASE
IO = 1 mA
0.2
V
Load regulation
RLD ASP
VASP = 3.5 V, L = 30 H, C = 220 F
1000 mV/A
Line regulation
RLN ASP
VASP = 3.5 V, L = 30 H, C = 220 F
100 mV/V
Minimum off duty
DminASP
20
%
[S/S Pin Function]
S/S start voltage
VSS ON
VCC –1.0
V
S/S off voltage
VSS OFF
VCC –0.5
V
[H Bridge Output Block, PWM Block]
Output saturation voltage
VH sat
IO = 200 mA, TOP + BOTTOM
0.30
0.45
V
VOUT pin maximum output
voltage
VOUT max
2.25
V
PWM applied offset voltage
VPWMOFF
At mute state (each output = 0)
0.23
0.26
0.29
V
DNB – 1,2 pins output current
IO DNB1,2
VOUT/600
A
Load regulation
RLD VOUT
VOUT = max, L = 30 H
1000 mV/A
Line regulation
RLNVOUT
VOUT = max, L = 30 H
100 mV/V
[Drive Control Block]
CH1 to 4 input voltage range
VIN1-4
0.5
VCD–0.5
V
ASP REF input voltage range
VASPR
1.2
VCD–1.3
V
Input bias current
IB IN
Each VIN = VASP REF = 2 V
2.0
A
Input offset voltage
VoffIN
VASP REF = 2 V
–30
+30
mV
CH1,2,4 transfer gain
G124IN
RL =10
7.1
8.3
9.5
dB
CH3 L side transfer gain
G3LIN
RL =10
7.1
8.3
9.5
dB
CH3 H side transfer gain
G3HIN
RL =10
13.6
14.8
16.0
dB
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
7
V
VCD pin input voltage
VCD max
10
V
H bridge output current
IOUT max
Maximum per channel is 400 mA.
800
mA
Allowable power dissipation
Pd max
Independant IC
700
mW
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–55 to +150
°C
Allowable Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VCC
1.6 to 5.0
V
VCD pin input voltage
VCD
3.6 to 9.0
V
VCC drop setting voltage when
external voltage input is applied
VCC (EXT)
3.0 to 5.0
V
Electrical Characteristics at Ta = 25
°C, VCC = 3 V, VCD = 4 V
Ratings
Continued on next page.
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