LP3879SD-1.2

更新时间： 2024-11-14 03:15:35

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
11页	707K
描述
Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applications

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LP3879SD-1.2 数据手册

June 2006

LP3879

Micropower 800mA Low Noise "Ceramic Stable" Voltage

Regulator for Low Voltage Applications

General Description

Features

n Standard output voltage: 1.00V, 1.20V

n Custom voltages available from 1.0V to 1.2V (50 mV

increments)

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.

n Input voltage: 2.5 to 6V

™

Using an optimized VIP (Vertically Integrated PNP) pro-

n 1% initial output accuracy

cess, the LP3879 delivers superior performance:

n Designed for use with low ESR ceramic capacitors

n Very low output noise

Ground Pin Current: Typically 5.5 mA 800 mA load, and

200 µA 100 µA load.

n Sense option improves load regulation

n 8 Lead PSOP and LLP surface mount packages

Low Power Shutdown: The LP3879 draws less than 10 µA

quiescent current when shutdown pin is pulled low.

10 µA quiescent current in shutdown

Precision Output: Guaranteed output voltage accuracy is

1% at room temperature.

n Low ground pin current at all loads

n High peak current capability

Low Noise: Broadband output noise is only 18 µV (typical)

with 10 nF bypass capacitor.

n Over-temperature/over-current protection

n -40˚C to +125˚C junction temperature range

Applications

n ASIC Power Supplies In:

- Desktops, Notebooks and Graphic Cards

- Set Top Boxes, Printers and Copiers

n DSP and FPGA Power Supplies

n SMPS Post-Regulator

n Medical Instrumentation

Basic Application Circuit

20161303

*Capacitance values shown are minimum required to assure stability. Larger output capacitor provides improved dynamic response. Output capacitor must

meet ESR requirements (see Application Information).

**The Shutdown pin must be actively terminated (see Application Information). Tie to INPUT (Pin 4) if not used.

™

VIP is a trademark of National Semiconductor Corporation.

DS201613

www.national.com

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与LP3879SD-1.2相关器件

型号	品牌	获取价格	描述	数据表
LP3879SD-1.2/NOPB	TI	获取价格	LP3879 Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applica
LP3879SDX-1.0	TI	获取价格	LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low
LP3879SDX-1.0	NSC	获取价格	Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applications
LP3879SDX-1.0/NOPB	TI	获取价格	LP3879 Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applica
LP3879SDX-1.2	TI	获取价格	LP3879 Micropower 800mA Low Noise "Ceramic Stable" Voltage Regulator for Low
LP3879SDX-1.2	NSC	获取价格	Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applications
LP3879SDX-1.2/NOPB	TI	获取价格	LP3879 Micropower 800mA Low Noise Ceramic Stable Voltage Regulator for Low Voltage Applica
LP387FX1CFT	CTS	获取价格	Parallel - Fundamental Quartz Crystal, 38.707MHz Nom,
LP387FXXCST	CTS	获取价格	Series - Fundamental Quartz Crystal, 38.707MHz Nom,
LP3881	NSC	获取价格	0.8A Fast-Response Ultra Low Dropout Linear

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