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LP2982 数据表(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LP2982
功能描述  Micropower 50 mA Ultra Low-Dropout Regulator
PDF  17 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP2982 数据表(HTML) 5 Page - National Semiconductor (TI)

  LP2982 Datasheet HTML 1Page - National Semiconductor (TI) LP2982 Datasheet HTML 2Page - National Semiconductor (TI) LP2982 Datasheet HTML 3Page - National Semiconductor (TI) LP2982 Datasheet HTML 4Page - National Semiconductor (TI) LP2982 Datasheet HTML 5Page - National Semiconductor (TI) LP2982 Datasheet HTML 6Page - National Semiconductor (TI) LP2982 Datasheet HTML 7Page - National Semiconductor (TI) LP2982 Datasheet HTML 8Page - National Semiconductor (TI) LP2982 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
−65˚C to +150˚C
Operating Junction Temperature Range
−40˚C to +125˚C
Lead Temperature (Soldering, 5 sec.)
260˚C
ESD Rating (Note 2)
2 kV
Power Dissipation (Note 3)
Internally Limited
Input Supply Voltage (Survival)
−0.3V to +16V
Input Supply Voltage (Operating)
2.1V to +16V
Shutdown Input Voltage (Survival)
−0.3V to +16V
Output Voltage (Survival, (Note 4))
−0.3V to +9V
I
OUT (Survival)
Short Circuit Protected
Input-Output Voltage (Survival, (Note 5))
−0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for T
J = 25˚C, and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: V
IN =VO(NOM) + 1V, IL = 1 mA, CIN = 1 µF, COUT = 4.7 µF, VON/OFF = 2V.
Symbol
Parameter
Conditions
Typ
LP2982AI-X.X
LP2982I-X.X
Units
(Note 6)
(Note 6)
Min
Max
Min
Max
∆V
O
Output Voltage
Tolerance
I
L = 1 mA
−1.0
+1.0
−1.5
+1.5
%V
NOM
1mA < I
L < 50 mA
−1.5
+1.5
−2.0
+2.0
−2.0
+2.0
−3.5
+3.5
Output Voltage Line
Regulation
V
O(NOM) +1V ≤ VIN ≤ 16V
0.007
0.014
0.014
%/V
0.032
0.032
V
IN–VO
Dropout Voltage
I
L = 0
133
mV
(Note 7)
55
I
L = 1 mA
7
10
10
15
15
I
L = 10 mA
406060
90
90
I
L = 50 mA
120
150
150
225
225
I
GND
Ground Pin Current
I
L = 0
65
95
95
µA
125
125
I
L = 1 mA
80
110
110
170
170
I
L = 10 mA
140
220
220
460
460
I
L = 50 mA
375
600
600
1200
1200
V
ON/OFF < 0.3V
0.01
0.8
0.8
V
ON/OFF < 0.15V
0.10
2.0
2.0
V
ON/OFF
ON/OFF Input Voltage
High = O/P ON
1.4
1.6
1.6
V
(Note 8)
Low = O/P OFF
0.55
0.15
0.15
I
ON/OFF
ON/OFF Input Current
V
ON/OFF = 0
0.01
−2
−2
µA
V
ON/OFF =5V
5
15
15
I
O(PK)
Peak Output Current
V
OUT ≥ VO(NOM) − 5%
150
100
100
mA
V
IN–VO
Dropout Voltage
I
L = 80 mA
180
225
225
mV
325
325
I
GND
Ground Pin Current
I
L = 80 mA
525
750
750
µA
1400
1400
e
n
Output Noise Voltage
(RMS)
BW = 300 Hz–50 kHz,
C
OUT =10 µF
C
BYPASS = 0.01 µF
30
µV
www.national.com
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