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LP3961 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 LP3961
Giải thích chi tiết về linh kiện  800mA Fast Ultra Low Dropout Linear Regulators
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LP3961 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 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)
2.5V to 7.0V
Shutdown Input Voltage
(Operating)
−0.3V to V
IN+0.3V
Maximum Operating Current
(DC)
0.8A
Operating Junction Temp. Range
−40˚C to +125˚C
Electrical Characteristics
LP3961/LP3964
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 =VIN-0.3V.
Symbol
Parameter
Conditions
Typ(Note
4)
LP3961/4 (Note 5)
Units
Min
Max
V
O
Output Voltage
Tolerance
(Note 8)
V
OUT+1V<VIN<7.0V
10 mA < I
L < 800 mA
0
-1.5
-3.0
+1.5
+3.0
%
3.135
≤ V
IN ≤ 7.0 for
V
OUT = 2.5V
∆V
OL
Output Voltage Line
Regulation (Note 8)
V
OUT+1V<VIN<7.0V,
0.02
0.06
%
∆V
O/
∆I
OUT
Output Voltage Load
Regulation
(Note 8)
10 mA < I
L < 800 mA
0.02
0.08
%
V
IN -
V
OUT
Dropout Voltage
(Note 10)
I
L =80 mA
24
30
35
mV
I
L = 800 mA
240
300
350
I
GND
Ground Pin Current In
Normal Operation
Mode
I
L =80 mA
3
9
10
mA
I
L = 800 mA
4
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)
1.5
1.2
1.1
A
SHORT CIRCUIT PROTECTION
I
SC
Short Circuit Current
2.8
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
T
dOFF
Turn-off delay
I
L = 800 mA
20
µs
T
dON
Turn-on delay
I
L = 800 mA
25
µs
I
SD
SD Input Current
V
SD =VIN
1nA
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