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參數(shù)資料
| 型號(hào)： | LP2989ILDX-2.8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Micropower/Low Noise, 500 mA Ultra Low-Dropout Regulator For Use with Ceramic Output Capacitors |
| 中文描述： | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.65 V DROPOUT, PDSO8 |
| 封裝： | LLP-8 |
| 文件頁(yè)數(shù)： | 6/19頁(yè) |
| 文件大?。?/td> | 616K |
| 代理商： | LP2989ILDX-2.8 |
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Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Storage Temperature Range
Operating Junction
Range
Lead Temperature
seconds)
ESD Rating (Note 2)
Power Dissipation (Note 3)
65C to +150C
Temperature
40C to +125C
(Soldering, 5
260C
2 kV
Internally Limited
Input Supply Voltage
Input Supply Voltage
(Operating)
Sense Pin
Output Voltage
(Note 4)
I
OUT
(Survival)
(Survival)
0.3V to +16V
2.1V to +16V
0.3V to +6V
(Survival)
0.3V to +16V
Short Circuit
Protected
Input-Output Voltage
(Note 5)
(Survival)
0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for T
J
= 25C, and limits in
boldface type
apply over the full operating temperature range. Un-
less otherwise specified: V
IN
= V
O
(NOM) + 1V, I
L
= 1 mA, C
OUT
= 4.7 μF, C
IN
= 2.2 μF, V
S/D
= 2V.
Symbol
Parameter
Conditions
Typical
LP2989AI-X.X
(Note 6)
Min
0.75
1.5
LP2989I-X.X
(Note 6)
Min
1.25
2.5
Units
Max
0.75
1.5
Max
1.25
2.5
V
O
Output Voltage
Tolerance
%V
NOM
1 mA
<
I
L
<
500 mA
V
O
(NOM) + 1V
≤
V
IN
≤
16V
1 mA
<
I
L
<
500 mA
V
O
(NOM) + 1V
≤
V
IN
≤
16V
25C
≤
T
J
≤
125C
V
O
(NOM) + 1V
≤
V
IN
≤
16V
4.0
2.5
5.0
3.5
3.5
2.5
4.5
3.5
Output Voltage Line
Regulation
0.005
0.014
0.014
%/V
0.032
0.032
Load Regulation
1 mA
<
I
L
<
500 mA
0.4
%V
NOM
V
IN
–V
O
Dropout Voltage
(Note 7)
I
L
= 100 μA
1
3
4
3
4
mV
I
L
= 200 mA
150
200
300
425
650
175
200
2
3.5
6
9
2
0.8
200
300
425
650
175
200
2
3.5
6
9
2
0.8
I
L
= 500 mA
310
I
GND
Ground Pin Current
I
L
= 100 μA
110
μA
I
L
= 200 mA
1
mA
I
L
= 500 mA
3
V
S/D
<
0.18V
V
S/D
<
0.4V
V
OUT
≥
V
O
(NOM) 5%
R
L
= 0 (Steady State)
(Note 9)
BW = 100 Hz to
100 kHz, C
OUT
= 10 μF
C
BYPASS
= .01 μF
V
OUT
= 2.5V
0.5
0.05
800
μA
I
O
(PK)
I
O
(MAX)
Peak Output Current
Short Circuit Current
600
600
mA
1000
e
n
Output Noise Voltage
(RMS)
18
μV(RMS)
L
www.national.com
6
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LP2989ILDX-3.0 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2989ILDX-3.0/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2989ILDX-3.3 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2989ILDX-3.3/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2989ILDX-5.0 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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