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LP2989AILD-2.8 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP2989AILD-2.8
Description  Micropower/Low Noise, 500 mA Ultra Low-Dropout Regulator For Use with Ceramic Output Capacitors
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP2989AILD-2.8 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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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
seconds)
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
Sense Pin
−0.3V to +6V
Output Voltage
(Survival)
(Note 4)
−0.3V to +16V
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, COUT = 4.7 µF, CIN = 2.2 µF, VS/D = 2V.
Symbol
Parameter
Conditions
Typical
LP2989AI-X.X
(Note 6)
LP2989I-X.X
(Note 6)
Units
Min
Max
Min
Max
V
O
Output Voltage
Tolerance
−0.75
0.75
−1.25
1.25
%V
NOM
1mA < I
L < 500 mA
V
O(NOM) + 1V
≤ V
IN
16V
−1.5
1.5
−2.5
2.5
−4.0
2.5
−5.0
3.5
1mA < I
L < 500 mA
V
O(NOM) + 1V
≤ V
IN
16V
−25˚C
≤ T
J
≤ 125˚C
−3.5
2.5
−4.5
3.5
Output Voltage Line
Regulation
V
O(NOM) + 1V
≤ V
IN
16V
0.005
0.014
0.014
%/V
0.032
0.032
Load Regulation
1 mA < I
L < 500 mA
0.4
%V
NOM
V
IN–VO
Dropout Voltage
(Note 7)
I
L = 100 µA
1
33
mV
44
I
L = 200 mA
150
200
200
300
300
I
L = 500 mA
310
425
425
650
650
I
GND
Ground Pin Current
I
L = 100 µA
110
175
175
µA
200
200
I
L = 200 mA
1
22
mA
3.5
3.5
I
L = 500 mA
3
66
99
V
S/D < 0.18V
0.5
2
2
µA
V
S/D < 0.4V
0.05
0.8
0.8
I
O(PK)
Peak Output Current
V
OUT
≥ V
O(NOM) − 5%
800
600
600
mA
I
O(MAX)
Short Circuit Current
R
L = 0 (Steady State)
(Note 9)
1000
e
n
Output Noise Voltage
(RMS)
BW = 100 Hz to
100 kHz, C
OUT =10µF
C
BYPASS = .01 µF
V
OUT = 2.5V
18
µV(RMS)
www.national.com
6


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