Datasheet > LP38511-1.8

LP38511-1.8

更新时间： 2024-01-30 08:00:02

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
14页	339K
描述
800 mA Fast-Transient Response Low-Dropout Linear Voltage Regulator with Error Flag

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LP38511-1.8 数据手册

May 14, 2008

LP38511-1.8

800 mA Fast-Transient Response Low-Dropout Linear

Voltage Regulator with Error Flag

General Description

Features

The LP38511-1.8 Fast-Transient Response Low-Dropout

Voltage Regulator offers the highest-performance in meeting

AC and DC accuracy requirements for powering Digital

Cores. The LP38511-1.8 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 LP38511-1.8 is designed for inputs

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

capacitors, and has a fixed 1.8V output. An Error Flag feature

monitors the output voltage and notifies the system processor

when the output voltage falls more than 15% below the nom-

inal value. The LP38511-1.8 provides excellent transient per-

formance to meet the demand of high performance digital

core ASICs, DSPs, and FPGAs found in highly-intensive ap-

plications such as servers, routers/switches, and base sta-

tions.

2.25V to 5.5V Input Voltage Range

■

1.8V Fixed Output Voltage

800 mA Output Load Current

+/- 2.5% V_OUTAccuracy over Line, Load, and Full-

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

Stable with tiny 10 µF ceramic capacitors

■

0.20% Output Voltage Load Regulation from 10 mA to 800

Enable pin

■

Error Flag Indicates Status of Output Voltage

■

1 µA of Quiescent current in Shutdown

40dB of PSRR at 100 kHz

Over-Temperature and Over-Current Protection

TO263 and TO-263 THIN Surface Mount Packages

■

Applications

Digital Core ASICs, FPGAs, and DSPs

■

Servers

Routers and Switches

Base Stations

Storage Area Networks

DDR2 Memory

Typical Application Circuit

20182901

201829

www.national.com

12 3 4 5 6 7...14

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与LP38511-1.8相关器件

型号	品牌	获取价格	描述	数据表
LP38511-ADJ	TI	获取价格	LP38511-ADJ 800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38511-ADJ	NSC	获取价格	800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38511MR-ADJ	TI	获取价格	LP38511-ADJ 800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38511MR-ADJ	NSC	获取价格	800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38511MR-ADJ/NOPB	TI	获取价格	800-mA, adjustable low-dropout voltage regulator with enable 8-SO PowerPAD -40 to 125
LP38511MRX-ADJ	TI	获取价格	LP38511-ADJ 800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38511MRX-ADJ	NSC	获取价格	800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator
LP38511MRX-ADJ/NOPB	TI	获取价格	800-mA, adjustable low-dropout voltage regulator with enable 8-SO PowerPAD -40 to 125
LP38511TJ	NSC	获取价格	800 mA Fast-Transient Response Low-Dropout Linear Voltage Regulator with Error Flag
LP38511TJ-1.8	TI	获取价格	800 mA Fast-Transient Response Low-Dropout Linear Voltage Regulator with Error Flag

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