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LM2931 bảng dữ liệu(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện LM2931
Giải thích chi tiết về linh kiện  Series Low Dropout 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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LM2931 bảng dữ liệu(HTML) 5 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.
Input Voltage
Operating Range
26V
Overvoltage Protection
LM2931A, LM2931C
(Adjustable)
60V
LM2931
50V
Internal Power Dissipation
(Note 2) (Note 4)
Internally Limited
Operating Ambient Temperature
Range
−40˚C to +85˚C
Maximum Junction Temperature
125˚C
Storage Temperature Range
−65˚C to +150˚C
Lead Temp. (Soldering, 10 seconds)
230˚C
ESD Tolerance (Note 5)
2000V
Electrical Characteristics for Fixed 3.3V Version
V
IN = 14V, IO = 10mA, TJ = 25˚C, C2 = 100µF (unless otherwise specified) (Note 2)
Parameter
Conditions
LM2931-3.3
Units
Typ
Limit
(Note 3)
Output Voltage
3.3
3.465
3.135
V
MAX
V
MIN
4V
≤ V
IN ≤ 26V, IO = 100 mA
−40˚C
≤ T
J ≤ 125˚C
3.630
2.970
V
MAX
V
MIN
Line Regulation
4V
≤ V
IN ≤ 26V
4
33
mV
MAX
Load Regulation
5mA
≤ I
O ≤ 100mA
10
50
mV
MAX
Output Impedance
100mA
DC and 10mArms,
100Hz - 10kHz
200
m
Ω
Quiescent Current
I
O ≤ 10mA, 4V ≤ VIN ≤ 26V
0.4
1.0
mA
MAX
−40˚C
≤ T
J ≤ 125˚C
I
O = 100mA, VIN = 14V, TJ = 25˚C
15
mA
Output Noise Voltage
10Hz -100kHz, C
OUT = 100µF
330
µV
rms
Long Term Stability
13
mV/1000 hr
Ripple Rejection
f
O = 120Hz
80
dB
Dropout Voltage
I
O = 10mA
I
O = 100mA
0.05
0.30
0.2
0.6
V
MAX
Maximum Operational Input
Voltage
33
26
V
MIN
Maximum Line Transient
R
L = 500Ω,VO ≤ 5.5V,
T = 1ms,
τ≤ 100ms
70
50
V
MIN
Reverse Polarity Input
Voltage, DC
V
O ≥ −0.3V, RL = 500Ω
−30
−15
V
MIN
Reverse Polarity Input
Voltage, Transient
T = 1ms,
τ≤ 100ms, R
L = 500Ω
−80
−50
V
MIN
Electrical Characteristics for Fixed 5V Version
V
IN = 14V, IO = 10mA, TJ = 25˚C, C2 = 100 µF (unless otherwise specified) (Note 2)
Parameter
Conditions
LM2931A-5.0
LM2931-5.0
Units
Typ
Limit
(Note 3)
Typ
Limit
(Note 3)
Output Voltage
5
5.19
4.81
5
5.25
4.75
V
MAX
V
MIN
6.0V
≤ V
IN ≤ 26V, IO = 100mA
−40˚C
≤ T
J ≤ 125˚C
5.25
4.75
5.5
4.5
V
MAX
V
MIN
Line Regulation
9V
≤ V
IN ≤ 16V
6V
≤ V
IN ≤ 26V
2
4
10
30
2
4
10
30
mV
MAX
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