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LP3878 Scheda tecnica(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte LP3878
Spiegazioni elettronici  Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applications Designed for Use with Very Low ESR Output Capacitors
PDF  11 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3878 Scheda tecnica(HTML) 4 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)
2.2V to 6V
Sense Pin
−0.3V to 6V
Output Voltage
(Survival)
(Note 4)
−0.3V to 6V
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 junction temperature range of 0˚C to
125˚C. Unless otherwise specified: V
IN = 3.3V, IL = 1 mA, COUT = 10 µF, CIN = 4.7 µF, VS/D = 2V.
Symbol
Parameter
Conditions
Min
(Note 6)
Typical
(Note 7)
Max
(Note 6)
Units
V
O
Output Voltage
Tolerance
−1.0
1.0
%V
NOM
1mA < I
L < 800 mA
3.0V
≤ V
IN
≤ 6V
−2.0
2.0
−3.0
3.0
Output Voltage Line
Regulation
3.0V
≤ V
IN
≤ 6V
0.005
0.014
%/V
0.032
V
IN (min)
Minimum Input
Voltage Required To
Maintain Output
Regulation
I
L = 800 mA
V
OUT
≥ V
OUT(NOM) -1%
2.2
2.75
V
I
GND
Ground Pin Current
I
L = 100 µA
180
200
µA
225
I
L = 200 mA
1
2
mA
2.5
I
L = 800 mA
5
8
10
I
O(PK)
Peak Output Current
V
OUT
≥ V
O(NOM) − 5%
1200
mA
I
O(MAX)
Short Circuit Current
R
L = 0 (Steady State)
(Note 8)
1400
e
n
Output Noise Voltage
(RMS)
BW = 100 Hz to 100 kHz
C
BYPASS =10nF
C
BYPASS =0
18
85
µV(RMS)
Ripple Rejection
f=1kHz
70
dB
SHUTDOWN INPUT
V
S/D
S/D Input Voltage
V
H = O/P ON
1.4
1.6
V
V
L = O/P OFF
I
IN
≤ 2µA
0.1
0.50
I
S/D
S/D Input Current
V
S/D = 0
0.001
−1
µA
V
S/D =5V
5
15
www.national.com
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