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參數(shù)資料
| 型號： | LP2985IBLX-1.8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications |
| 中文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PBGA5 |
| 封裝： | MICRO, SMD-5 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 528K |
| 代理商： | LP2985IBLX-1.8 |
SLVS522C JULY 2004 REVISED OCTOBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Available in the Texas Instruments
NanoStar
and NanoFree
Wafer Chip
Scale Packages
Output Tolerance of:
1% (A Grade)
1.5% (Standard Grade)
Ultra-Low Dropout, Typically
280 mV at Full Load of 150 mA
7 mV at 1 mA
Wide V
IN
Range . . . 16 V Max
Low I
Q
. . . 850
μ
A at Full Load at 150 mA
Shutdown Current . . . 0.01
μ
A Typ
Low Noise . . . 30
μ
V
RMS
With 10-nF Bypass
Capacitor
Stable With Low-ESR Capacitors, Including
Ceramic
Over-Current and Thermal Protection
High Peak-Current Capability
For V
OUT
Options 2.3 V, See LP2985LV
Data Sheet
Portable Applications
Cellular Phones
Palmtop and Laptop Computers
Personal Digital Assistants (PDAs)
Digital Cameras and Camcorders
CD Players
MP3 Players
DBV (SOT-23) PACKAGE
(TOP VIEW)
1
2
3
5
4
V
IN
GND
ON/OFF
V
OUT
BYPASS
V
OUT
YEQ, YEU, YZQ, OR YZU (WCSP) PACKAGE
(TOP VIEW)
B2
C1
C3
A1
A3
V
IN
ON/OFF
BYPASS
GND
description/ordering information
The LP2985 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for
both portable and nonportable applications. Available in voltages of 2.5 V, 2.6 V, 2.7 V, 2.8 V, 2.85 V, 3 V,
3.1 V, 3.2 V, 3.3 V, and 5 V, the family has an output tolerance of 1% for the A version (1.5% for the non-A version)
and is capable of delivering 150-mA continuous load current. Standard regulator features, such as over-current
and over-temperature protection, are included.
The LP2985 has a host of features that makes the regulator an ideal candidate for a variety of portable
applications:
Low dropout: A PNP pass element allows a typical dropout of 280 mV at 150-mA load current and 7 mV
at 1-mA load.
Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are
considerably lower than those associated with traditional lateral PNP regulators.
Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01
μ
A
when the
ON/OFF pin is pulled low.
Low-ESR-capacitor friendly: The regulator is stable with low-ESR capacitors, allowing the use of small,
inexpensive, ceramic capacitors in cost-sensitive applications.
Low noise: A BYPASS pin allows for low-noise operation, with a typical output noise of 30
μ
V (RMS),
with the use of a 10-nF bypass capacitor.
Copyright
2004, Texas Instruments Incorporated
NanoStar and NanoFree are trademarks of Texas Instruments.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP2985AIBP-2.8 | Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors |
| LP2985IBP-2.8 | Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors |
| LP2985AIM5-2.0 | CONNECTOR ACCESSORY |
| LP2985IM5-2.0 | CONNECTOR ACCESSORY |
| LP2985AIM5-3.0 | Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP2985IBLX-285 | 制造商:Rochester Electronics LLC 功能描述:150MA LDO REG LOW-NOISE LOW ES - Bulk 制造商:Texas Instruments 功能描述: |
| LP2985IBLX-3.0 | 制造商:Rochester Electronics LLC 功能描述:150MA LDO REG LOW-NOISE LOW ES - Bulk 制造商:Texas Instruments 功能描述: |
| LP2985IBP-1.5 | 制造商:Texas Instruments 功能描述: |
| LP2985IBP-1.8 | 功能描述:IC REG LDO 1.8V .15A 5USMD RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品變化通告:Heatsink Pkg Change 09/Oct/2007 標(biāo)準(zhǔn)包裝:50 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:24V 輸入電壓:最高 40 V 電壓 - 壓降（標(biāo)準(zhǔn)）:2V @ 1A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:1A 電流 - 限制（最?。?- 工作溫度:0°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-220-3 供應(yīng)商設(shè)備封裝:TO-220-3 包裝:管件 |
| LP2985IBP-2.4/NOPB | 功能描述:IC REG LDO 2.4V .15A 5MICROSMD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品變化通告:Heatsink Pkg Change 09/Oct/2007 標(biāo)準(zhǔn)包裝:50 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:24V 輸入電壓:最高 40 V 電壓 - 壓降（標(biāo)準(zhǔn)）:2V @ 1A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:1A 電流 - 限制（最?。?- 工作溫度:0°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-220-3 供應(yīng)商設(shè)備封裝:TO-220-3 包裝:管件 |
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