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SG2012

400mA , Low Power, Low Dropout, Linear Regulators

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SG2012

400mA , Low Power, Low

Dropout, Linear Regulators

GENERAL DESCRIPTION

The SG2012 low-power, low-dropout, CMOS linear voltage

regulators operate from a 2.5V to 5.5V input and deliver up

to 400mA. They are perfect choice for low voltage, low

power applications. An ultra low ground current (120µA at

400mA output) makes them attractive for battery operated

power systems. The SG2012 series also offer ultra low

dropout voltage (280mV at 400mA output) to prolong

battery life in portable electronics.

The output voltage is preset to voltages in the range of 1.5V

to 4.5V. Other features include foldback current limit and

thermal shut-down protection.

SG2012 comes in 3-pin SOT223 package.

FEATURES

- Ultra-Low Dropout Voltage:

280mV at 400mA output

- Low 80µA No-Load Supply Current

- Low 120µA Operating Supply Current

at 400mA Output

- Thermal-Overload Protection

- Output Current Limit

- Preset Output Voltages (±1.8% Accuracy)

- Output Voltage:

Available in Fixed Outputs of 1.5V, 1.8V, 2.5V, 2.8V,

3.0V, and 3.3V

PIN CONFIGURATIONS（TOP VIEW）

APPLICATIONS

Cellular Telephones

Digital Cameras

MP3、MP4

USB 2.0

Modems

PC Cameras

Hand-Held Instruments

Electronic Dictionarys

Portable/Battery-Powered Equipment

GND

1

2

3

OUT GND IN

SOT223-3

OUT

TYPICAL OPERATION CIRCUIT

INPUT

CIN

1μF

IN

OUT

GND

OUTPUT

COUT

1μF

1

2

3

GND OUT IN

SOT223-3(R-Type)

SG Microelectronics Co, Ltd

Tel: 86/451/84348461

www.sg-micro.com

REV. B

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