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LP3962 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 LP3962
功能描述  1.5A Fast Ultra Low Dropout Linear Regulators
PDF  22 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP3962 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 V
IN+0.3V
Output Voltage (Survival), (Note
6), (Note 7)
−0.3V to +7.5V
I
OUT (Survival)
Short Circuit Protected
Maximum Voltage for ERROR
Pin
V
IN+0.3V
Maximum Voltage for SENSE Pin
V
OUT+0.3V
Operating Ratings
Input Supply Voltage (Operating),
(Note 12)
2.5V to 7.0V
Shutdown Input Voltage
(Operating)
−0.3V to V
IN+0.3V
Maximum Operating Current (DC)
1.5A
Operating Junction Temp. Range
−40˚C to +125˚C
Electrical Characteristics
LP3962/LP3965
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 = 33µF, VSD =VIN-0.3V.
Symbol
Parameter
Conditions
Typ
(Note 4)
LP3962/5 (Note 5)
Units
Min
Max
V
O
Output Voltage
Tolerance
(Note 8)
10 mA
≤ I
L ≤ 1.5A
V
OUT +1 ≤ VIN≤ 7.0V
0
-1.5
-3.0
+1.5
+3.0
%
V
ADJ
Adjust Pin Voltage (ADJ
version)
10 mA
≤ I
L ≤ 1.5A
V
OUT +1.5V ≤ VIN≤ 7.0V
1.216
1.198
1.180
1.234
1.253
V
∆V
OL
Output Voltage Line
Regulation (Note 8)
V
OUT+1V<VIN<7.0V,
0.02
0.06
%
∆V
O/ ∆IOUT
Output Voltage Load
Regulation
(Note 8)
10 mA < I
L < 1.5 A
0.04
0.09
%
V
IN -VOUT
Dropout Voltage
(Note 10)
I
L = 150 mA
38
45
55
mV
I
L = 1.5 A
380
450
550
I
GND
Ground Pin Current In
Normal Operation Mode
I
L = 150 mA
4
9
10
mA
I
L = 1.5 A
5
14
15
I
GND
Ground Pin Current In
Shutdown Mode
(Note 11)
V
SD ≤ 0.2V
15
25
75
µA
I
O(PK)
Peak Output Current
(Note 2)
2.5
2.0
1.7
A
SHORT CIRCUIT PROTECTION
I
SC
Short Circuit Current
4.5
A
OVER TEMPERATURE PROTECTION
Tsh(t)
Shutdown Threshold
165
˚C
Tsh(h)
Thermal Shutdown
Hysteresis
10
˚C
SHUTDOWN INPUT
V
SDT
Shutdown Threshold
Output = High
V
IN
V
IN–0.3
V
Output = Low
0
0.2
www.national.com
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