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LM2984 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện LM2984
Giải thích chi tiết về linh kiện  Microprocessor Power Supply System
PDF  16 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM2984 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
Survival Voltage (<100 ms)
60V
Operational Voltage
26V
Internal Power Dissipation
Internally Limited
Operating Temperature Range (T
A)
−40˚C to +125˚C
Maximum Junction Temperature
(Note 3)
150˚C
Storage Temperature Range
−65˚C to +150˚C
Lead Temperature
(Soldering, 10 sec.)
230˚C
ESD Susceptability (Note 5)
2000V
Electrical Characteristics
V
IN = 14V, IOUT = 5 mA, COUT = 10 µF, unless otherwise indicated. Boldface type refers to limits over the entire operating
temperature range, −40˚C
≤ T
A ≤ +125˚C, all other limits are for TA = Tj = 25˚C (Note 8) .
Parameter
Conditions
Typical
Limit
Units
(Note 4)
V
OUT (Pin 11)
Output Voltage
5 mA
≤ I
O ≤ 500 mA
5.00
4.85/4.75
V
min
6V
≤ V
IN ≤ 26V
5.15/5.25
V
max
Line Regulation
9V
≤ V
IN ≤ 16V
2
25/25
mV
max
7V
≤ V
IN ≤ 26V
5
50/50
mV
max
Load Regulation
5 mA
≤ I
OUT ≤ 500 mA
12
50/50
mV
max
Output Impedance
250 mA
dc and 10 mArms,24
m
Ω
f
o = 120 Hz
Quiescent Current
I
OUT = 500 mA
38
100/100
mA
max
I
OUT = 250 mA
14
50/50
mA
max
Output Noise Voltage
10 Hz–100 kHz, I
OUT = 100 mA
100
µV
Long Term Stability
20
mV/1000 hr
Ripple Rejection
f
o = 120 Hz
70
60/50
dB
min
Dropout Voltage
I
OUT = 500 mA
0.53
0.80/1.1
V
max
I
OUT = 250 mA
0.28
0.50/0.70
V
max
Current Limit
0.92
0.75/0.60
A
min
Maximum Operational
Continuous DC
32
26/26
V
min
Input Voltage
Maximum Line Transient
V
OUT ≤ 6V, ROUT = 100Ω,T ≤ 100 ms
65
60/60
V
min
Reverse Polarity
V
OUT ≥ −0.6V, ROUT = 100Ω
−30
−15/−15
V
min
Input Voltage DC
Reverse Polarity Input
T
≤ 100 ms, R
OUT = 100Ω
−55
−35/−35
V
min
Voltage Transient
Electrical Characteristics
V
IN = 14V, Ibuf = 5 mA, Cbuf = 10 µF, unless otherwise indicated. Boldface type refers to limits over the entire operating tem-
perature range, −40˚C
≤ T
A ≤ +125˚C, all other limits are for TA = Tj = 25˚C (Note 8) .
Parameter
Conditions
Typical
Limit
Units
(Note 4)
V
buffer (Pin 10)
Output Voltage
5 mA
≤ I
O ≤ 100 mA
5.00
4.85/4.75
V
min
6V
≤ V
IN ≤ 26V
5.15/5.25
V
max
Line Regulation
9V
≤ V
IN ≤ 16V
2
25/25
mV
max
7V
≤ V
IN ≤ 26V
5
50/50
mV
max
Load Regulation
5 mA
≤ I
buf ≤ 100 mA
15
50/50
mV
max
Output Impedance
50 mA
dc and 10 mArms,
200
m
Ω
f
O = 120 Hz
Quiescent Current
I
buf = 100 mA
8.0
15/15
mA
max
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