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參數(shù)資料
| 型號： | LM2926 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 404K |
| 代理商： | LM2926 |
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
Survival
t = 100 ms
t = 1 ms
Continuous
Reset Output Sink Current
ESD Susceptibility (Note 2)
80V
50V
18V to +26V
10 mA
2 kV
Power Dissipation (Note 3)
Junction Temperature (T
JMAX
)
Storage Temperature Range
Lead Temperature
(Soldering, 10 sec.)
Internally Limited
150C
40C to +150C
260C
Operating Ratings
(Note 1)
Junction Temperature Range (T
J
)
Maximum Input Voltage
40C to +125C
26V
Electrical Characteristics
V
IN
= 14.4V, C
O
= 10 μF, 40C
≤
T
J
≤
125C, unless otherwise specified.
Parameter
Conditions
Typ
Limit
(Note 5)
Units
(Limit)
(Note 4)
REGULATOR OUTPUT
Output Voltage
5 mA
≤
I
O
≤
500 mA,
T
J
= 25C
4.85
V (min)
V
V (max)
V (min)
V
V (max)
mV
mV (max)
mV
mV (max)
mV
mV (max)
mA
mA (max)
mA
mA (max)
mA
mA (max)
mA
mA (max)
mV
mV (max)
mV (max)
mV
mV (max)
mV (max)
mA (min)
A
A (max)
dB (min)
5
5.15
4.75
5 mA
≤
I
O
≤
500 mA
5
5.25
Line Regulation
I
O
= 5 mA, 9V
≤
V
IN
≤
16V
1
25
I
O
= 5 mA, 7V
≤
V
IN
≤
26V
3
50
Load Regulation
5 mA
≤
I
O
≤
500 mA
5
60
Quiescent Current
I
O
= 5 mA
2
3
I
O
= 500 mA
8
30
Quiescent Current at Low V
IN
I
O
= 5 mA, V
IN
= 5V
3
10
I
O
= 500 mA, V
IN
= 6V
25
60
Dropout Voltage (Note 6)
I
O
= 5 mA, T
J
= 25C
60
200
300
I
O
= 5 mA
I
O
= 500 mA, T
J
= 25C
350
600
700
800
I
O
= 500 mA
V
IN
= 8V, R
L
= 1
Short Circuit Current
2
3
60
Ripple Rejection
RIPPLE
= 120 Hz, V
RIPPLE
= 1 Vrms,
I
O
= 50 mA
I
O
= 50 mAdc and 10 mArms
@
1 kHz
10 Hz to 100 kHz, I
O
= 50 mA
Output Impedance
Output Noise
Long Term Stability
100
1
20
m
mVrms
mV/1000 Hr
www.national.com
2
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