Datasheet > EC49509

EC49509

更新时间： 2024-02-28 17:14:44

品牌	Logo	应用领域
飞虹 - E-CMOS		/
页数	文件大小	规格书
8页	319K
描述
300mA Low Power Low Noise LDO CMOS Voltage Regulator

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EC49509 数据手册

EC49509

300mA Low Power Low Noise

LDO CMOS Voltage Regulator

Description

Features

Typical 200mV Dropout Voltage at 150mA

Fast Enable Turn-On Time of 20μs (Typ.)

The EC49509 series of fixed output low dropout

linear regulators are designed for portable battery

powered applications, which require low power

consumption, low noise environment, and low dropout

voltage. Each device contains a bandgap voltage

reference, an error amplifier, a PMOS power transistor,

and resistors for setting output voltage, and current limit

and temperature limit protection circuits.

Excellent Line and Load Regulation

High Accuracy Output Voltage of 2%

Ultra-Low Ground Current at 20μA (Typ.)

Disable Current Less than 0.1μA (Typ.)

Over Current and thermal Protection

No Reverse Current

Standard SOT-23-5L Package

The EC49509 has been designed to be used with

low cost capacitors and requires a minimum output

capacitor of 1.0μF. The output voltages range from 1.3V

to 4.4V in 100mV increments. Standard voltage

versions are 1.5, 1.8, 2.5, 2.8, 3.0, and 3.3V.

Applications

USB removable devices

MPEG4 devices

Wireless LAN’s

Hand-Held Instrumentation

Portable DVD players

Digital camera

Block Diagram

E-CMOS Corp. (www.ecmos.com.tw)

Page 1 of 8

2007/11/05

12 3 4 5 6 7 8

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