EM1109BV datasheet(1/16 Pages) EXCELLIANCE

Part #	EM1109BV

Description	1A Low Dropout and Adjustable Mode Regulator

PDF	16 Pages

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Manufacturer	EXCELLIANCE [Excelliance MOS Corp.]

Direct Link	http://www.excelliancemos.com/

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EM1109BV

2020/12/30

A.1

1

1A Low Dropout and Adjustable Mode Regulator

General Description

The EM1109BV performs ultra- low drop voltage,

high power supply rejection ratio (PSRR), fast

response, low noise linear regulator, and designed

to continuously deliver up to 1A output current.

The EM1109BV has wide adjustable output voltage

range and high output accuracy to 1.0%.

No by-pass capacitor is needed for this device and

only 4.7uF ceramic capacitor is required for stability

in any loading conditions. It reduces the amount of

board space necessary for power applications.

The other features include soft start, current limit

protection, Power-On-Reset function, and over

temperature protection. The EM1109BV is available

in DFN3X3-08L package.

Ordering Information

Part Number

Package

XX: Output

Voltage

EM1109BV-XX

DFN3X3-08L

AJ: Adjust

10: 1.00V

12: 1.20V

15: 1.50V

18: 1.80V

25: 2.50V

30: 3.00V

33: 3.30V

Features

 Wide VIN Range from 2.5V to 5.5V

 Adjustable Output Voltage from 1V to 4.5V

 Fixed Option: 1V,1.2V,1.5V,1.8V,2.5V to 3.3V

 Ultra Low Dropout Voltage: 450mV @1A

 Low Shutdown Current < 1uA

 Only 4.7uF Ceramic Capacitor required for

stability

 Over Temperature Protection

 Current Limit Protection

 RoHS Compliant and 100% Lead (Pb)-Free

Applications

 Cellular Handsets

 Battery-Powered Equipment

 Laptop, Palmtops, Notebook Computers

 Hand-Held Instruments

 PCMCIA Cards

 Portable Information Applications

Pin Configuration

DFN3X3-08

Typical Application Circuit

Fixed Version Output

Adjustable Output

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EM1109BV Datasheet(PDF) 1 Page - Excelliance MOS Corp.

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