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參數(shù)資料
| 型號： | LP2988AILD-5 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset Delay; Low Noise Version Available (LP2988) |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO8 |
| 封裝： | LLP-8 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 1033K |
| 代理商： | LP2988AILD-5 |
LP2987/LP2988
Micropower, 200 mA Ultra Low-Dropout Voltage
Regulator with Programmable Power-On Reset Delay;
Low Noise Version Available (LP2988)
General Description
The LP2987/8 are fixed-output 200 mA precision LDO volt-
age regulators with power-ON reset delay which can be
implemented using a single external capacitor.
The LP2988 is specifically designed for noise-critical appli-
cations. A single external capacitor connected to the Bypass
pin reduces regulator output noise.
Using an optimized VIP (Vertically Integrated PNP) pro-
cess, these regulators deliver superior performance:
Dropout Voltage: 180 mV @ 200 mA load, and 1 mV @ 1mA
load (typical).
Ground Pin Current: 1mA @ 200 mA load, and 200 A @
10 mA load (typical).
Sleep Mode: The LP2987/8 draws less than 2 A quiescent
current when shutdown pin is held low.
Error Flag/Reset: The error flag goes low when the output
drops approximately 5% below nominal. This pin also pro-
vides a power-ON reset signal if a capacitor is connected to
the DELAY pin.
Precision Output: Standard product versions of the LP2987
and LP2988 are available with output voltages of 5.0V, 3.8V,
3.3V, 3.2V, 3.0V, or 2.8V, with guaranteed accuracy of 0.5%
(“A” grade) and 1% (standard grade) at room temperature.
Features
n
Ultra low dropout voltage
n
Power-ON reset delay requires only one component
n
Bypass pin for reduced output noise (LP2988)
n
Guaranteed continuous output current 200 mA
n
Guaranteed peak output current > 250 mA
n
SO-8 and mini SO-8 surface mount packages
n <
2 A quiescent current when shutdown
n
Low ground pin current at all loads
n
0.5% output voltage accuracy (“A” grade)
n
Wide supply voltage range (16V max)
n
Overtemperature/overcurrent protection
n
40C to +125C junction temperature range
Applications
n
Cellular Phone
n
Palmtop/Laptop Computer
n
Camcorder, Personal Stereo, Camera
Block Diagrams
10001701
10001702
VIP is a trademark of National Semiconductor Corporation.
March 2005
LP2987/LP2988
Micropower
,
200
mA
Ultra
Low-Dropout
V
oltage
Regulator
with
Programmable
Power-On
Reset
Delay
2005 National Semiconductor Corporation
DS100017
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP2988AILD-5.0 | 功能描述:IC REG LDO 5V .2A 8LLP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP2988AILDX-3.8 | 功能描述:IC REG LDO 3.8V .2A 8-LLP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最小）:420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR) |
| LP2988AIM-2.5 | 制造商:Rochester Electronics LLC 功能描述:200MA POWER LDO - Bulk 制造商:Texas Instruments 功能描述: |
| LP2988AIM-2.5/NOPB | 功能描述:IC REG LDO 2.5V .2A 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP2988AIM-2.8/NOPB | 功能描述:IC REG LDO 2.8V .2A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
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