參數(shù)資料
型號: LB1943N
廠商: Sanyo Electric Co.,Ltd.
英文描述: Monolithic Digital IC VCR Loading Motor Variable Output Forward/Reverse Motor Driver
中文描述: 單片數(shù)字集成電路錄像機(jī)加載電機(jī)變頻輸出前進(jìn)/后退電動機(jī)驅(qū)動器
文件頁數(shù): 4/6頁
文件大?。?/td> 104K
代理商: LB1943N
LB1945D
No.7101-4/6
Truth Table
Input
Output voltage
IN1
IN2
OUT1
OUT2
Operation
H
H
L
Full
Forward (reverse) mode
M
H
L
VC
×
2
Forward (reverse) mode
L
H
L
VC
×
2
Forward (reverse) mode
H
M
off
off
Break
M
M
off
off
Break
L
M
off
off
Break
H
L
Full
L
Reverse (forward) mode
M
L
VC
×
2
L
Reverse (forward) mode
L
L
VC
×
2
L
Reverse (forward) mode
H: high level, M: mid level, L: low level
Input levels
When IN1 or IN2 is open, that input will go to the 2.5V level. Operation is equivalent to that of the LB1641.
Pin Functions
Pin No.
Pin
Description
VH: 4.2V or higher
VM: 2.0V to 3.0V
VL: Under 1.0V
Equivalent Circuit
1
GND
Common ground for the power signal
systems
Output voltage switching input
When the input is open, VM will
become about 2.5V.
3
IN1
6.4V
75k
Ω
13k
Ω
19k
Ω
25
μ
A
GND
VCC1
3
4
IN2
Forward/reverse/brake switching
input
When the input is open, VM will
become about 2.5V.
6.4V
75k
Ω
13k
Ω
19k
Ω
25
μ
A
GND
VCC1
4
Continued on next page.
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