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参数资料
| 型号： | LB1620 |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PDIP20 |
| 封装： | DIP-20 |
| 文件页数： | 2/6页 |
| 文件大小： | 264K |
| 代理商： | LB1620 |
Electrical Characteristics at Ta=25°C, VCC1=12V, VCC2=9V
Parameter
Symbol
Conditions
Ratings
min
typ
max
Unit
Current drain
ICC off
Vc=0V, Vstop=2V, ICC1+ICC212
18
mA
ICC dri
Vc=7V, Vstop=2V, ICC1+ICC222
40
mA
Saturation voltage
VO(sat)1
IO=0.58A, VCC1=9.6V,
2.1
V
VOsink+VOsource
VO(sat)2
IO=1A, VCC1=18V,
5.0
V
VOsink+VOsource
In-phase voltage range
2.0
VCC2–2.5
V
Motor forward rotation
2.0
VCC2V
input voltage range
Motor reverse rotation
0
0.3
V
input voltage range
Interphase current variation
Driver stage
–25
0
+25
%
Output stage
–25
0
+25
%
Speed control voltage (off)
Vc1
Rf=0Ω, Rs=0Ω,4.0
V
FC pin
→GND current=5μA
Speed control voltage (on)
Vc2
Rf=0Ω, Rs=0Ω,4.5
V
FC pin
→GND current=0.5mA
Vc3
Rf=1Ω, Rs=100Ω, VRf=100mV
4.6
V
Closed loop voltage gain
Rf=1Ω, Rs=100Ω, IL=100mA
0.44
A/V
Input sensitivity
20
mV
LB1620 Truth Table
LB1620
No.1210-2/6
W phase
→ V phase
V phase
→ W phase
L
H
1
Source
Sink
Forward/Reverse
Control (FRC)
Input
U
H
L
W phase
→ U phase
U phase
→ W phase
L
H
2
H
L
V phase
→ W phase
W phase
→ V phase
L
H
3
L
H
U phase
→ V phase
V phase
→ U phase
L
H
4
L
H
L
V phase
→ U phase
U phase
→ V phase
L
H
5
H
L
H
U phase
→ W phase
W phase
→ U phase
L
H
6
L
H
V
W
Input : "H" : Each phase input (1) is more than 0.2V higher than each phase input (2).
"L" : Each phase input (1) is more than 0.2V lower than each phase input (2).
Forward/reverse control : "H" : 2.0 to VCC2
: "L" : 0 to 0.3V
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