參數資料
型號： LM2941WG-QMLV
英文描述： Positive Adjustable Voltage Regulator
中文描述： 積極可調電壓穩(wěn)壓器
文件頁數： 4/17頁
文件大?。?/td> 409K
代理商： LM2941WG-QMLV
Electrical Characteristics
(Continued)
V
= V
+ 5V, I
= 1A, C
= 22 μF, unless otherwise specified.
Boldface limits apply over the entire operating tempera-
ture range of the indicated device.
All other specifications apply for T
A
= T
J
= 25C.
Output Voltage (V
O
)
5V
LM2940
Parameter
Conditions
Typ
Limit
(Note 4)
Maximum Line
R
O
= 100
Transient
LM2940, T
≤
100 ms
75
60/
60
LM2940/883, T
≤
20 ms
LM2940C, T
≤
1 ms
55
45
Reverse Polarity
R
O
= 100
DC Input Voltage
LM2940, LM2940/883
30
15/
15
LM2940C
30
15
Reverse Polarity
R
O
= 100
Transient Input
LM2940, T
≤
100 ms
75
50/
50
Voltage
LM2940/883, T
≤
20 ms
LM2940C, T
≤
1 ms
55
45/
45
8V
Units
LM2940/883
Limit
(Note 5)
LM2940
Limit
(Note 4)
LM2940/883
Limit
(Note 5)
Typ
V
MIN
75
60/
60
40/
40
40/
40
55
45
15/
15
30
30
15/
15
15
15/
15
V
MIN
75
50/
50
V
MIN
45/
45
45/
45
Electrical Characteristics
V
= V
+ 5V, I
= 1A, C
= 22 μF, unless otherwise specified.
Boldface limits apply over the entire operating tempera-
ture range of the indicated device.
All other specifications apply for T
A
= T
J
= 25C.
Output Voltage (V
O
)
9V
10V
Units
Parameter
Conditions
Typ
LM2940
Limit
(Note 4)
Typ
LM2940
Limit
(Note 4)
10.5V
≤
V
IN
≤
26V
9.00
11.5V
≤
V
IN
≤
26V
10.00
Output Voltage
5 mA
≤
I
O
≤
1A
8.73/
8.55
9.27/
9.45
90
9.70/
9.50
10.30/
10.50
100
V
MIN
V
MAX
mV
MAX
Line Regulation
V
O
+ 2V
≤
V
IN
≤
26V,
I
O
= 5 mA
50 mA
≤
I
O
≤
1A
LM2940
LM2940C
100 mADC and
20 mArms,
f
O
= 120 Hz
V
O
+2V
≤
V
IN
<
26V,
I
O
= 5 mA
LM2940
LM2940C
V
IN
= V
O
+ 5V, I
O
= 1A
10 Hz 100 kHz,
I
O
= 5 mA
f
O
= 120 Hz, 1 V
rms
,
I
O
= 100 mA
LM2940
LM2940C
20
20
Load Regulation
60
60
90/
150
90
65
100/
165
mV
MAX
Output Impedance
60
65
m
Quiescent
Current
10
10
30
270
15/
20
15
45/
60
10
15/
20
mA
MAX
30
300
45/
60
mA
MAX
μV
rms
Output Noise
Voltage
Ripple Rejection
64
64
34
52/
46
52
63
51/
45
dB
MIN
Long Term
Stability
36
mV/
1000 Hr
V
MAX
mV
MAX
Dropout Voltage
I
O
= 1A
I
O
= 100 mA
0.5
110
0.8/
1.0
150/
200
0.5
110
0.8/
1.0
150/
200
L
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