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參數(shù)資料
| 型號： | LB1943 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Forward/Reverse Motor Driver with Braking Function |
| 中文描述： | 正轉(zhuǎn)/反轉(zhuǎn)與制動功能的電機驅(qū)動器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 62K |
| 代理商： | LB1943 |
No. 58062/5
LB1943
Continued from preceding page.
Note: Items marked with an asterisk (
*
) are design target values, and are not tested.
Input levels: V
H
: Over 4.2 V
V
M
: 2.0 to 3.0 V
V
L
: Under 1.0 V
IN1 and IN2 go to 2.5 V when left open.
LB1943 operation is equivalent to that of the LB1641.
Pin Assignment
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
V
OUT
1
R
L
= 60
, V
C
= 2.5 V
V
IN
1 = 2.5 V, V
IN
2 = 0 V
R
L
= 60
, V
C
= 2.5 V
V
IN
1 = 2.5 V, V
IN
2 = 5.0 V
R
L
=
∞
V
CC
= 12V, I
OUT
= 300 mA
V
CC
= 12V, I
OUT
= 500 mA
V
CC
= 12V, I
OUT
= 300 mA
V
CC
= 12V, I
OUT
= 500 mA
4.4
4.95
5.4
V
Output voltage
V
OUT
2
4.4
4.95
5.4
V
Output leakage current
I
OL
0.01
1.0
mA
Saturation voltage (upper)
V (sat)11
1.9
2.2
V
V (sat)12
1.9
2.3
V
Saturation voltage (lower)
V (sat)21
0.25
0.5
V
V (sat)22
0.4
0.65
V
Reference power supply
V
REF
6.0
6.35
6.8
V
Reference voltage load characteristics
V
REF
/
I
REF
I
REF
= 0 to –2.0 mA
V
OUT
/V
C
, V
C
= 2.5 V, R
L
= 60
*
0.05
0.1
V/mA
×
°C
Control-to-output gain
1.5
1.9
2.4
TSD operating temperature
T
STD
150
180
-25
0
0.4
0.6
0.8
1.0
1.2
1.4
0
Ambient temperature, Ta –
°
C
25
50
75
100
Pd max – Ta
A
0.6
Tj = 125
°
C
Truth Table
Input
Output voltage
Operation
IN1
IN2
OUT1
OUT2
H
H
L
FULL
V
C
×
2
V
C
×
2
OFF
Forward (reverse) operation
M
H
L
Forward (reverse) operation
L
H
L
Forward (reverse) operation
H
M
OFF
Braking
M
M
OFF
OFF
Braking
L
M
OFF
OFF
Braking
H
L
FULL
V
C
×
2
V
C
×
2
L
Reverse (forward) operation
M
L
L
Reverse (forward) operation
L
L
L
Reverse (forward) operation
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