Datasheet > LDS3985M28R

LDS3985M28R

更新时间： 2024-09-27 03:50:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		输出元件信息通信管理
页数	文件大小	规格书
13页	341K
描述
ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR

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中文翻译

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数据手册
替代型号

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LDS3985M28R 数据手册

LDS3985

SERIES

ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG.

FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR

■

INPUT VOLTAGE FROM 2.5V TO 6V

STABLE WITH LOW ESR CERAMIC

CAPACITORS

■

ULTRA LOW DROPOUT VOLTAGE (150mV

TYP. AT 300mA LOAD, 0.4mV TYP. AT 1mA

LOAD)

VERY LOW QUIESCENT CURRENT (85µA

TYP. AT NO LOAD, 200µA TYP. AT 300mA

LOAD; MAX 1.5µA IN OFF MODE)

GUARANTEED OUTPUT CURRENT UP TO

300mA

WIDE RANGE OF OUTPUT VOLTAGE:

1.25V; 1.35; 1.5V; 1.8V; 2V; 2.1V; 2.2V; 2.5V;

2.6V; 2.7V; 2.8V; 2.85V; 2.9V; 3V; 3.1V; 3.2V;

3.3V; 4.7V

DFN6

SOT23-5L

■

It is stable with ceramic and high quality tantalum

capacitor. The ultra low drop-voltage, low

quiescent current and low noise makes it suitable

for low power applications and in battery powered

systems. Regulator ground current increases only

slightly in dropout, further prolonging the battery

life. Shutdown Logic Control function is available,

this means that when the device is used as local

regulator, it is possible to put a part of the board in

standby, decreasing the total power consumption.

Typical applications are in mobile phone and

similar battery powered wireless systems,

portable information appliances.

■

FAST TURN-ON TIME: TYP. 240µs

[C =2.2µF, C

= 33nF AND I =1mA]

BYP

LOGIC-CONTROLLED ELECTRONIC

SHUTDOWN

INTERNAL CURRENT AND THERMAL LIMIT

■

OUTPUT LOW NOISE VOLTAGE 30µV

OVER 10Hz to 100KHz

RMS

■

S.V.R. OF 55dB AT 1KHz, 50dB AT 10KHz

TEMPERATURE RANGE: -40°C TO 125°C

DESCRIPTION

The LDS3985 provides up to 300mA, from 2.5V to

6V input voltage.

Figure 1: Schematic Diagram

Rev. 1

1/13

December 2004

12 3 4 5 6 7...13

中文翻译

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LDS3985M28R 替代型号

型号	品牌	替代类型	描述	数据表
MIC5306-2.8YD5	MICROCHIP	功能相似	2.8V FIXED POSITIVE LDO REGULATOR, 0.2V DROPOUT, PDSO5

与LDS3985M28R相关器件

型号	品牌	获取价格	描述	数据表
LDS3985M29R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M30R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M31R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M32R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M33R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M47R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M48R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M49R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985M50R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR
LDS3985PM12R	STMICROELECTRONICS	获取价格	ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR

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