參數(shù)資料
型號(hào): LP2957ISX
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
中文描述: 三端固定電壓調(diào)節(jié)器
文件頁數(shù): 4/21頁
文件大?。?/td> 640K
代理商: LP2957ISX
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Supply Voltage
SHUTDOWN Input Voltage,
Error Comparator Output
Voltage, (Note 9)
FEEDBACK Input Voltage
(Note 9) (Note 10)
Power Dissipation
Junction Temperature (T
J
)
Ambient Storage Temperature
0.3 to +30V
1.5 to +30V
Internally Limited
+150C
65 to +150C
Soldering Dwell Time, Temperature
Wave
Infrared
Vapor Phase
ESD
4 seconds, 260C
10 seconds, 240C
75 seconds, 219C
TBD
Operating Ratings
(Note 1)
Maximum Input Supply Voltage
Junction Temperature Range
(T
J
) (Note 8)
LP2951
LP2950AC-XX, LP2950C-XX,
LP2951AC-XX, LP2951C-XX
30V
55 to +150C
40 to +125C
Electrical Characteristics
(Note 2)
Parameter
Conditions
(Note 2)
LP2951
LP2950AC-XX
LP2951AC-XX
Tested
Limit
(Note 3)
LP2950C-XX
LP2951C-XX
Tested
Limit
(Note 3)
Units
Tested
Limit
(Notes 3, 16)
Design
Limit
(Note 4)
Design
Limit
(Note 4)
Typ
Typ
Typ
3V VERSIONS
(Note 17)
Output Voltage
T
J
= 25C
3.0
3.015
2.985
3.0
3.015
2.985
3.0
3.030
2.970
V max
V min
V max
V min
V max
V min
V max
V min
25C
T
J
85C
3.0
3.0
3.030
2.970
3.036
2.964
3.042
2.958
3.0
3.045
2.955
3.060
2.940
3.072
2.928
Full Operating
Temperature Range
100 μA
I
L
100 mA
T
J
T
JMAX
3.0
3.036
2.964
3.045
2.955
3.0
3.0
Output Voltage
3.0
3.0
3.0
3.3V VERSIONS
(Note 17)
Output Voltage
T
J
= 25C
3.3
3.317
3.284
3.3
3.317
3.284
3.3
3.333
3.267
V max
V min
V max
V min
V max
V min
V max
V min
25C
T
J
85C
3.3
3.3
3.333
3.267
3.340
3.260
3.346
3.254
3.3
3.350
3.251
3.366
3.234
3.379
3.221
Full Operating
Temperature Range
100 μA
I
L
100 mA
T
J
T
JMAX
3.3
3.340
3.260
3.350
3.251
3.3
3.3
Output Voltage
3.3
3.3
3.3
5V VERSIONS
(Note 17)
Output Voltage
T
J
= 25C
5.0
5.025
4.975
5.0
5.025
4.975
5.0
5.05
4.95
V max
V min
V max
V min
V max
V min
V max
V min
25C
T
J
85C
5.0
5.0
5.05
4.95
5.06
4.94
5.075
4.925
5.0
5.075
4.925
5.1
4.9
5.12
4.88
Full Operating
Temperature Range
100 μA
I
L
100 mA
T
J
T
JMAX
5.0
5.06
4.94
5.075
4.925
5.0
5.0
Output Voltage
5.0
5.0
5.0
ALL VOLTAGE OPTIONS
Output Voltage
Temperature Coefficient
Line Regulation
(Note 14)
(Note 12)
20
120
20
100
50
150
ppm/C
(V
NOM + 1)V
V
in
30V
(Note 15)
0.03
0.1
0.5
0.1
0.3
0.03
0.1
0.04
0.2
% max
% max
% max
% max
0.2
0.4
Load Regulation
(Note 14)
100 μA
I
L
100 mA
0.04
0.04
0.1
0.1
0.2
0.2
0.3
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