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LP2951ACMM-3.3 参数 Datasheet PDF下载

LP2951ACMM-3.3图片预览
型号: LP2951ACMM-3.3
PDF下载: 下载PDF文件 查看货源
内容描述: 系列微功率可调稳压器 [Series of Adjustable Micropower Voltage Regulators]
分类和应用: 稳压器
文件页数/大小: 26 页 / 1200 K
品牌: NSC [ NATIONAL SEMICONDUCTOR ]
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LP2950/LP2951
Electrical Characteristics
Conditions
(Continued)
LP2950AC-XX
LP2951AC-XX
Tested
Tested
Typ
Limit
Design
Limit
4.94
5.075
4.925
20
100
50
Typ
LP2950C-XX
LP2951C-XX
Tested
Limit
Design
Limit
4.9
5.12
4.88
150
V min
V max
V min
ppm/˚C
Units
LP2951
Parameter
Typ
Limit
(Notes 3, 16)
4.94
5.075
4.925
Temperature
Range
Output Voltage
100µA
I
L
100mA
T
J
T
JMAX
All Voltage Options
Output Voltage
Temperature
Coefficient
Line Regulation
Load Regulation
Dropout Voltage
20
5.0
5.0
5.0
120
(V
O
NOM + 1)V
V
in
30V (Note
100µA
I
L
100mA
I
L
= 100µA
0.03
0.1
0.5
0.03
0.1
0.2
0.04
0.2
0.4
% max
% max
% max
0.3
% max
mV max
150
mV max
mV max
600
mV max
µA max
140
µA max
mA max
14
mA max
µA max
200
µA max
mA max
220
mA max
%/W
max
µV rms
µV rms
µV rms
0.04
0.1
0.3
80
0.04
0.1
0.2
80
0.1
0.2
80
50
I
L
= 100mA
380
150
450
600
120
140
12
14
170
200
50
450
380
75
8
110
120
150
600
140
12
14
170
200
50
450
380
75
8
110
120
12
170
Ground
Current
I
L
= 100µA
I
L
= 100mA
75
8
110
Dropout
Ground Current
Current Limit
Thermal Regulation
Output Noise,
10 Hz to 100 kHz
V
in
= (V
O
NOM −
0.5)V
I
L
= 100µA
V
out
= 0
C
L
= 1µF (5V
Only)
C
L
= 200µF
C
L
= 3.3µF
(Bypass = 0.01µF
Pins 7 to 1
(LP2951)
160
0.05
430
160
100
200
220
0.2
160
0.05
430
160
100
200
220
0.2
160
0.05
430
160
100
200
0.2
8-pin Versions Only
Reference
Voltage
1.235
LP2951
1.25
1.26
1.22
1.2
1.235
LP2951AC-XX
1.25
1.26
1.22
1.2
1.27
1.19
20
20
40
60
50
20
1.235
LP2951C-XX
1.26
1.27
1.21
1.2
1.285
1.185
40
60
V max
V max
V min
V min
V max
V min
nA max
nA max
ppm/˚C
Reference
Voltage
Feedback Pin
Bias Current
Reference Voltage
20
20
1.27
1.19
40
60
www.national.com
6