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LP3852 数据表(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LP3852
功能描述  1.5A Fast Response Ultra Low Dropout Linear Regulators
PDF  19 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP3852 数据表(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
LP3852/LP3855
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)
LP3852/5 (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
TO-263 and TO-220
(Note 10)
I
L = 150 mA
24
35
45
mV
I
L = 1.5A
240
280
380
Dropout Voltage
SOT 223
(Note 10), (Note 12)
I
L = 150mA
26
35
45
I
L = 1.5A
260
320
435
I
GND
Ground Pin Current In
Normal Operation Mode
I
L = 150 mA
3
9
10
mA
I
L = 1.5A
3
9
10
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
www.national.com
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