LP38513-ADJ

更新时间： 2024-11-14 11:38:55

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
12页	370K
描述
3A Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator

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LP38513-ADJ 数据手册

February 12, 2009

LP38513-ADJ

3A Fast-Transient Response Adjustable Low-Dropout

Linear Voltage Regulator

General Description

Features

The LP38513-ADJ Fast-Transient Response Low-Dropout

Voltage Regulator offers the highest-performance in meeting

AC and DC accuracy requirements for powering Digital

Cores. The LP38513-ADJ uses a proprietary control loop that

enables extremely fast response to change in line conditions

and load demands. Output Voltage DC accuracy is guaran-

teed at 2.5% over line, load and full temperature range from

-40°C to +125°C. The LP38513-ADJ is designed for inputs

from the 2.5V, 3.3V, and 5.0V rail, is stable with 10 μF ceramic

capacitors, and has an adjustable output voltage. The

LP38513-ADJ provides excellent transient performance to

meet the demand of high performance digital core ASICs,

DSPs, and FPGAs found in highly-intensive applications such

as servers, routers/switches, and base stations.

2.25V to 5.5V Input Voltage Range

■

Adjustable Output Voltage Range of 0.5V to 4.5V

3.0A Output Load Current

±2.0% Accuracy over Line, Load, and Full-Temperature

Range from -40°C to +125°C

Stable with tiny 10 µF ceramic capacitors

■

Enable pin

Typically less than 1uA of Ground pin current when Enable

pin is low

25dB of PSRR at 100 kHz

■

Over-Temperature and Over-Current Protection

TO263-5 THIN Surface Mount Package

Applications

Digital Core ASICs, FPGAs, and DSPs

■

Servers

Routers and Switches

Base Stations

Storage Area Networks

DDR2 Memory

Typical Application Circuit

30020701

300207

www.national.com

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