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LP3872 bảng dữ liệu(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LP3872
Giải thích chi tiết về linh kiện  1.5A Fast Ultra Low Dropout Linear Regulators
PDF  18 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LP3872 bảng dữ liệu(HTML) 7 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
Lead Temperature
(Soldering, 5 sec.)
260˚C
ESD Rating (Note 3)
2 kV
Power Dissipation (Note 2)
Internally Limited
Input Supply Voltage (Survival)
−0.3V to +7.5V
Shutdown Input Voltage
(Survival)
−0.3V to +7.5V
Output Voltage (Survival), (Note
6), (Note 7)
−0.3V to +6.0V
I
OUT (Survival)
Short Circuit Protected
Maximum Voltage for ERROR
Pin
V
IN
Maximum Voltage for SENSE Pin
V
OUT
Operating Ratings
Input Supply Voltage (Note 11)
2.5V to 7.0V
Shutdown Input Voltage
−0.3V to 7.0V
Maximum Operating Current (DC)
1.5A
Junction Temperature
−40˚C to +125˚C
Electrical Characteristics
LP3872/LP3875
Limits in standard typeface are for T
J = 25˚C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: V
IN =VO(NOM) + 1V, IL = 10 mA, COUT = 10µF, VSD = 2V.
Symbol
Parameter
Conditions
Typ
(Note 4)
LP3872/5 (Note 5)
Units
Min
Max
V
O
Output Voltage
Tolerance
(Note 8)
V
OUT +1V
≤ V
IN
≤ 7.0V
10 mA
≤ I
L
≤ 1.5A
0
-1.5
-3.0
+1.5
+3.0
%
∆V
OL
Output Voltage Line
Regulation (Note 8)
V
OUT +1V
≤ V
IN
≤ 7.0V
0.02
0.06
%
∆V
O/
∆I
OUT
Output Voltage Load
Regulation
(Note 8)
10 mA
≤ I
L
≤ 1.5A
0.06
0.12
%
V
IN -VOUT
Dropout Voltage
(Note 10)
I
L = 150 mA
38
50
60
mV
I
L = 1.5A
380
450
550
I
GND
Ground Pin Current In
Normal Operation Mode
I
L = 150 mA
5
9
10
mA
I
L = 1.5A
6
14
15
I
GND
Ground Pin Current In
Shutdown Mode
V
SD
≤ 0.3V
0.01
10
µA
-40˚C
≤ T
J
≤ 85˚C
50
I
O(PK)
Peak Output Current
V
O
≥ V
O(NOM) - 4%
1.8
A
Short Circuit Protection
I
SC
Short Circuit Current
3.2
A
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