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參數(shù)資料
| 型號(hào)： | LP8345 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Dropout, Low IQ, 500mA CMOS Linear Regulator |
| 中文描述： | 低壓差，低IQ，500mA的CMOS線性穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 5/13頁(yè) |
| 文件大?。?/td> | 283K |
| 代理商： | LP8345 |
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LP8345C Electrical Characteristics
(Continued)
Unless otherwise specified all limits guaranteed for V
= V
O
+ 1V, C
IN
= C
OUT
= 10μF, T
J
= 25C.
Boldface
limits apply over
the full operating temperature range of T
J
= 0C to 125C
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
450
1200
55
Max
(Note 5)
Units
I
LIMIT
Foldback Current Limit
V
IN
V
OUT
>
5V
V
IN
V
OUT
<
4V
V
IN
(dc) = V
OUT
+ 2V
V
IN
(ac) = 1V
P-P
@
120Hz
mA
Ripple Rejection Ratio
48
dB
T
SD
Thermal Shutdown
Temp.
Thermal Shutdown Hyst.
ADJ Input Leakage
Current
V
OUT
Leakage Current
160
10
±
0.01
C
V
ADJ
= 1.5V or 0V
±
100
nA
LP8345-ADJ
ADJ = OUT, V
OUT
= 2V, V
IN
= 10V
LP8345-1.8, V
OUT
= 2.5V, V
IN
= 10V
LP8345-2.5, V
OUT
= 3.5V, V
IN
= 10V
LP8345-3.3, V
OUT
= 4V, V
IN
= 10V
LP8345-5.0, V
OUT
= 6V, V
IN
= 10V
10Hz to 10kHz, R
L
= 1k
, C
OUT
= 10μF
10
10
10
10
10
μA
e
n
Output Noise
250
μVrms
LP8345I Electrical Characteristics
Unless otherwise specified all limits guaranteed for V
IN
= V
O
+ 1V, C
IN
= C
OUT
= 10μF, T
J
= 25C.
Boldface
limits apply over
the full operating temperature range of T
J
= 40C to 125C
Symbol
Parameter
Conditions
Min
(Note 5)
2.7
Typ
(Note 4)
Max
(Note 5)
10
10
Units
V
IN
Input Voltage
LP8345-ADJ,1.8, 2.5
LP8345-3.3, 5.0
LP8345-ADJ, ADJ = OUT
I
OUT
= 10mA, V
IN
= 2.7V, T
J
= 25C
100μA
≤
I
OUT
≤
500mA, 2.7V
≤
V
IN
≤
V
OUT
+4V
LP8345-1.8
I
OUT
= 10mA, V
IN
= 2.8V, T
J
= 25C
100μA
≤
I
OUT
≤
500mA, 2.8V
≤
V
IN
≤
6V
LP8345-2.5
I
OUT
= 10mA, V
IN
= 3.5V, T
J
= 25C
100μA
≤
I
OUT
≤
500mA, 3.5V
≤
V
IN
≤
6.5V
LP8345-3.3
I
OUT
= 10mA, V
IN
= 4.3V T
J
= 25C
100μA
≤
I
OUT
≤
500mA, 4.3V
≤
V
IN
≤
7.5V
LP8345-5.0
I
OUT
= 10mA, V
IN
= 6V, T
J
= 25C
100μA
≤
I
OUT
≤
500mA, 6V
≤
V
IN
≤
9V
LP8345-ADJ, ADJ=OUT
I
OUT
= 1mA to 500mA, V
IN
= 2.7V
LP8345-1.8
I
OUT
= 1mA to 500mA, V
IN
= 2.8V
LP8345-2.5
I
OUT
= 1mA to 500mA, V
IN
= 3.5V
LP8345-3.3
I
OUT
= 1mA to 500mA, V
IN
= 4.3V
LP8345-5.0
I
OUT
= 1mA to 500mA, V
IN
= 6V
V
V
OUT
Output Voltage
1.231
1.213
1.250
1.269
1.288
V
1.773
1.746
1.800
1.827
1.854
V
2.463
2.425
2.500
2.538
2.575
V
3.250
3.201
3.300
3.350
3.399
V
4.925
4.850
5.000
5.075
5.150
V
V
O
Load Regulation
6
20
mV
7
20
9
30
12
35
14
40
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP8345A-1.8 E WAF | 制造商:Texas Instruments 功能描述: |
| LP8345A-2.5 E WAF | 制造商:Texas Instruments 功能描述: |
| LP8345A-3.3 E WAF | 制造商:Texas Instruments 功能描述: |
| LP8345A-5.0 E WAF | 制造商:Texas Instruments 功能描述: |
| LP8345CDT-1.8 | 制造商:Texas Instruments 功能描述:V REG LDO 0.5A 1.8V 8345 TO-252-3 |
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