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LP2950 数据表(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LP2950
功能描述  Series of Adjustable Micropower Voltage Regulators
PDF  26 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP2950 数据表(HTML) 6 Page - National Semiconductor (TI)

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Electrical Characteristics (Note 2) (Continued)
Parameter
Conditions
(Note 2)
LP2951
LP2950AC-XX
LP2950C-XX
Units
LP2951AC-XX
LP2951C-XX
Tested
Tested
Design
Tested
Design
Typ
Limit
Typ
Limit
Limit
Typ
Limit
Limit
(Notes 3, 16)
(Note 3)
(Note 4)
(Note 3)
(Note 4)
Temperature
Range
4.94
4.94
4.9
V min
Output Voltage
100µA
≤ I
L
≤
100mA
5.0
5.075
5.0
5.075
5.0
5.12
V max
T
J
≤ T
JMAX
4.925
4.925
4.88
V min
All Voltage Options
Output Voltage
Temperature
Coefficient
(Note 12)
20
120
20
100
50
150
ppm/˚C
Line Regulation
(Note 14)
(V
ONOM + 1)V
≤
V
in
≤ 30V (Note
15)
0.03
0.1
0.03
0.1
0.04
0.2
% max
0.5
0.2
0.4
% max
Load Regulation
(Note 14)
100µA
≤ I
L
≤
100mA
0.04
0.1
0.04
0.1
0.1
0.2
% max
0.3
0.2
0.3
% max
Dropout Voltage
(Note 5)
I
L = 100µA
80
80
80
mV max
50
150
50
150
50
150
mV max
I
L = 100mA
450
450
450
mV max
380
600
380
600
380
600
mV max
Ground
I
L = 100µA
75
120
75
120
75
120
µA max
Current
140
140
140
µA max
I
L = 100mA
8
12
8
12
8
12
mA max
14
14
14
mA max
Dropout
V
in =(VONOM −
0.5)V
110
170
110
170
110
170
µA max
Ground Current
I
L = 100µA
200
200
200
µA max
Current Limit
V
out = 0
160
200
160
200
160
200
mA max
220
220
220
mA max
Thermal Regulation
(Note 13)
0.05
0.2
0.05
0.2
0.05
0.2
%/W
max
Output Noise,
C
L = 1µF (5V
Only)
430
430
430
µV rms
10 Hz to 100 kHz
C
L = 200µF
160
160
160
µV rms
C
L = 3.3µF
(Bypass = 0.01µF
100
100
100
µV rms
Pins7to1
(LP2951)
8-pin Versions Only
LP2951
LP2951AC-XX
LP2951C-XX
Reference
1.235
1.25
1.235
1.25
1.235
1.26
V max
Voltage
1.26
1.26
1.27
V max
1.22
1.22
1.21
V min
1.2
1.2
1.2
V min
Reference
(Note 7)
1.27
1.27
1.285
V max
Voltage
1.19
1.19
1.185
V min
Feedback Pin
20
40
20
40
20
40
nA max
Bias Current
60
60
60
nA max
Reference Voltage
(Note 12)
20
20
50
ppm/˚C
www.national.com
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