Datasheet > LP3879

LP3879

更新时间： 2024-11-14 12:19:07

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
18页	1033K
描述
LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low

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LP3879 数据手册

LP3879

www.ti.com

SNVS396B –MAY 2006–REVISED APRIL 2013

LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low

Voltage Applications

Check for Samples: LP3879

FEATURES

DESCRIPTION

The LP3879 is a 800 mA fixed-output voltage

regulator designed to provide high performance and

low noise in applications requiring output voltages

between 1.0V and 1.2V.

•

Standard Output Voltage: 1.00V, 1.20V

•

Custom Voltages Available from 1.0V to 1.2V

(50 mV Increments)

•

Input Voltage: 2.5 to 6V

Using an optimized VIP (Vertically Integrated PNP)

process, the LP3879 delivers superior performance:

1% Initial Output Accuracy

Designed for Use with Low ESR Ceramic

Capacitors

Ground Pin Current: Typically 5.5 mA @ 800 mA

load, and 200 µA @ 100 µA load.

•

Very Low Output Noise

Low Power Shutdown: The LP3879 draws less than

10 μA quiescent current when shutdown pin is pulled

low.

Sense Option Improves Load Regulation

8-Lead SO PowerPad and WSON Surface

Mount Packages

Precision Output: Ensured output voltage accuracy

is 1% at room temperature.

•

<10 μA Quiescent Current in Shutdown

Low Ground Pin Current at all Loads

High Peak Current Capability

Low Noise: Broadband output noise is only 18 μV

(typical) with 10 nF bypass capacitor.

Over-Temperature/Over-Current Protection

-40°C to +125°C Junction Temperature Range

APPLICATIONS

•

ASIC Power Supplies In:

–

Desktops, Notebooks and Graphic Cards

Set Top Boxes, Printers and Copiers

•

DSP and FPGA Power Supplies

SMPS Post-Regulator

Medical Instrumentation

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

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LP3879 替代型号

型号	品牌	替代类型	描述	数据表
LP3878-ADJ	TI	功能相似	Micropower 800-mA Low-Noise

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LP38798	TI	获取价格	LP38798-ADJ High PSRR, Ultra Low Noise, 800 mA Linear Voltage Regulator for RF/Analog Circ
LP38798SD-ADJ/NOPB	TI	获取价格	LP38798-ADJ High PSRR, Ultra Low Noise, 800 mA Linear Voltage Regulator for RF/Analog Circ
LP38798SDE-ADJ/NOPB	TI	获取价格	LP38798-ADJ High PSRR, Ultra Low Noise, 800 mA Linear Voltage Regulator for RF/Analog Circ
LP38798SDX-ADJ/NOPB	TI	获取价格	LP38798-ADJ High PSRR, Ultra Low Noise, 800 mA Linear Voltage Regulator for RF/Analog Circ
LP3879MR-1.0	TI	获取价格	LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low
LP3879MR-1.0	NSC	获取价格	Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applications
LP3879MR-1.0/NOPB	TI	获取价格	LP3879 Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applica
LP3879MR-1.2	TI	获取价格	LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low
LP3879MR-1.2	NSC	获取价格	Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applications
LP3879MR-1.2/NOPB	TI	获取价格	LP3879 Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applica

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