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LD39080 PDF预览

LD39080

更新时间: 2024-01-20 13:16:22
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器信息通信管理
页数 文件大小 规格书
20页 501K
描述
Ultra low drop BICMOS voltage regulator

LD39080 数据手册

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LD39080  
Ultra low drop BICMOS voltage regulator  
Feature summary  
0.8A Guaranteed output current  
Ultra low dropout voltage (150mV typ. @ 0.8A  
load, 20mV typ. @150mA load)  
Very low quiescent current (1mA typ. @ 0.8A  
DPAK  
PPAK  
load, 1µA max @ 25°C in off mode)  
Logic-controlled electronic shutdown  
Current and thermal internal limit  
1.5% Output voltage tolerance @ 25°C  
Fixed and ADJ output voltages: 1.22V, 1.8V,  
DFN8 (4x4 mm)  
2.5V, 3.3V, ADJ. (*see order code)  
Temperature range: -40 to 125°C  
Fast dynamic response to line and load  
Description  
changes  
The LD39080 is a fast ultra low drop linear  
regulator which operates from 2.5V to 6V input  
supply.  
Stable with ceramic capacitor (see paragraph  
7.1, 7.2, 7.3)  
Available in PPAK, DPAK and DFN8 (4x4mm)  
A wide range of output options are available. The  
low drop voltage, low noise, and ultra low  
quiescent current make it suitable for low voltage  
microprocessor and memory applications. The  
device is developed on a BiCMOS process which  
allows low quiescent current operation  
Typical application  
Microprocessor power supply  
DSPs power supply  
Post regulators for switching suppliers  
High efficiency linear regulator  
independently of output load current.  
Order codes  
Part numbers  
Output voltage  
DFN (1)  
DPAK (T&R)  
PPAK (T&R)  
LD39080DT12-R  
LD39080DT18-R  
LD39080DT25-R  
LD39080DT33-R  
LD39080PU12R  
LD39080PU18R  
LD39080PU25R  
LD39080PU33R  
LD39080PU-R  
1.22V  
LD39080PT18-R  
LD39080PT25-R  
LD39080PT33-R  
LD39080PT-R  
1.8V  
2.5V  
3.3V  
ADJ From 1.22 to 5.0V  
1. Available on request  
January 2007  
Rev. 1  
1/20  
www.st.com  
20  

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