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參數(shù)資料
| 型號： | LB1841V |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Low-Saturation Current-Controlled Forward/Reverse Motor Driver |
| 中文描述： | 低飽和電流控制前進(jìn)/后退電動機(jī)驅(qū)動器 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 55K |
| 代理商： | LB1841V |
LB1841V
No. 4384-2/7
Electrical Characteristics
at Ta = 25
°
C, V
CC
= 7.2V
Parameter
Symbol
Conditions
Ratings
typ
Unit
min
max
Power supply current
I
CC
0
I
CC
1
I
CC
2
Vsat 1
Vsat 2
Vref
I
limit
I
IN
I
PBC
V
S
V
RD
sat
In standby mode
Forward/reverse No load
In brake mode
I
O
= 200 mA (upper side + lower side)
I
O
= 400 mA (upper side + lower side)
I
Vref
= 1 mA
V
S
-V
M
resistance = 1
at LIR = 2V
V
IN
= 5V
0.1
10
13
18
μ
A
mA
mA
V
V
V
mA
μ
A
mA
V
V
9
12
Output saturation voltage
0.20
0.40
2.0
185
90
0.30
0.60
2.15
205
150
–10
Reference voltage
Current limiter characteristics
Input current
PBC drive current
Vs output voltage
RD saturation voltage
1.85
165
2.55
×
V
SVR
I
O
= 1 mA
0.3
Allowable Operating Ranges
at Ta = 25
°
C
Parameter
Power supply voltage
Input High voltage
Input Low voltage
SVR input voltage
LIR input voltage
Output current limiter
Symbol
V
CC
V
IH
V
IL
V
SVR
V
LIR
I
limit
Conditions
Ratings
Unit
V
V
V
V
V
mA
3.0 to 9.0
3.0 to 9.0
–0.3 to 0.7
1.0 to V
CC
–0.2
0.5 to V
CC
–1.0
50 to 350
Constant-voltage output V
S
is determined by the equation V
S
= 2.55
×
V
SVR
.
The input range of V
SVR
is 1.0 to 4 V. When V
S
≥
V
CC
, the output will be saturated.
The output current limiter value is determined according to the following equation (R
f
is a sensing resistor across V
S
and V
M
).
I limit = V
LIR
/10 R
f
(A)
V
LIR
input range is 0.5 to V
CC
–1.0 (V).
Block Diagram and Sample Application Circuit
V
CC
= 3 to 10.5V
10
μ
F
V
cc
SVR
LIR
PBC
V
S
V
M
OUT1
M
OUT2
P-G
RD
DEL
IN2
IN1
Thermal
shutdown
S-G
Vref
= 2.0V
0.001
μ
F
to 0.01
μ
F
V
S
= 5.1V
R
f
= 0.47 to 2
10
μ
F
DECODER
Limit
detection
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