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參數(shù)資料
| 型號： | LP2982AIM5-5.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Micropower 50 mA Ultra Low-Dropout Regulator |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.225 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 411K |
| 代理商： | LP2982AIM5-5.0 |
LP2982
Micropower 50 mA Ultra Low-Dropout Regulator
General Description
The LP2982 is a 50 mA, fixed-output voltage regulator de-
signed to provide ultra low dropout and lower noise in battery
powered applications.
Using an optimized VIP
(Vertically Integrated PNP) pro-
cess, the LP2982 delivers unequaled performance in all
specifications critical to battery-powered designs:
Dropout Voltage:
Typically 120 mV
@
50 mAload, and 7 mV
@
1 mA load.
Ground Pin Current:
Typically 375 μA
@
50 mA load, and
80 μA
@
1 mA load.
Sleep Mode:
Less than 1 μA quiescent current when on/off
pin is pulled low.
Smallest Possible Size:
SOT-23 and micro SMD packages
use absolute minimum board space.
Precision Output:
1.0% tolerance output voltages available
(A grade).
Low Noise:
By adding an external bypass capacitor, output
noise can be reduced to 30 μV (typical).
Ten output voltage versions, from 2.5V to 5.0V, are available
as standard products.
Features
n
Ultra low dropout voltage
n
Guaranteed 50 mA output current
n
Typical dropout voltage 180 mV
@
80 mA
n
Smallest possible size (SOT-23, micro SMD package)
n
Requires minimum external components
n
<
1 μA quiescent current when shutdown
n
Low ground pin current at all loads
n
Output voltage accuracy 1.0% (A Grade)
n
High peak current capability (150 mA typical)
n
Wide supply voltage range (16V max)
n
Low Z
OUT
0.3
typical (10 Hz to 1 MHz)
n
Overtemperature/overcurrent protection
n
40C to +125C junction temperature range
n
Custom voltages available
Applications
n
Cellular Phone
n
Palmtop/Laptop Computer
n
Personal Digital Assistant (PDA)
n
Camcorder, Personal Stereo, Camera
Block Diagram
VIP
is a trademark of National Semiconductor Corporation.
DS012679-1
March 2000
L
2000 National Semiconductor Corporation
DS012679
www.national.com
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP2982AIM5X-2.5/NOPB | 制造商:Texas Instruments 功能描述:LDO Regulator Pos 2.5V 0.05A 5-Pin SOT-23 T/R |
| LP2982AIM5X-2.8 | 制造商:Rochester Electronics LLC 功能描述:50MA LDO REGULATOR, LOW NOISE - Bulk |
| LP2982AIM5X-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 |
| LP2982AIM5X-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 |
| LP2982AIM5X-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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