SGM2019 datasheet(1/16 Pages) SGMICRO

Part #	SGM2019

Description	Low Power Low Dropout RF-Linear Regulators

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Manufacturer	SGMICRO [SG Micro Corp]

Direct Link	http://www.sg-micro.com

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SGM2019

Low Power, Low Dropout,

RF-Linear Regulators

GENERAL DESCRIPTION

The SGM2019 series low-power, low-noise, low-dropout,

CMOS linear voltage regulators operate from a 2.5V to

5.5V input voltage. They are the perfect choice for low

voltage, low power applications. A low ground current

makes this part attractive for battery operated power

systems. The SGM2019 series also offer ultra low

dropout voltage to prolong battery life in portable

electronics. Systems requiring a quiet voltage source,

such as RF applications, will benefit from the SGM2019

series’ ultra low output noise (30µVRMS) and high PSRR.

An external noise bypass capacitor connected to the

device’s BP pin can further reduce the noise level.

The output voltage is preset to voltages in the range of

1.2V to 5.0V. Other features include a 10nA logic-

controlled shutdown mode, foldback current limit and

thermal shutdown protection.

The SGM2019 is available in Green SOT-23-5 and

SC70-5 packages. It operates over an ambient

temperature range of -40

℃ to +85℃.

APPLICATIONS

Cellular Telephones

Cordless Telephones

PCMCIA Cards

Modems

MP3 Player

Hand-Held Instruments

Palmtop Computers

Electronic Planners

Portable/Battery-Powered Equipment

FEATURES



Low Output Noise



Low Dropout Voltage



Thermal-Overload Protection



Output Current Limit



High PSRR (74dB at 1kHz)



10nA Logic-Controlled Shutdown



Available in Multiple Output Voltage Versions



Fixed Outputs of 1.2V, 1.5V, 1.8V, 2.5V, 2.6V, 2.8V,

2.85V, 3.0V and 3.3V



Adjustable Output from 1.2V to 5.0V



-40

℃ to +85℃ Operating Temperature Range



Available in Green SC70-5 and SOT-23-5 Packages

PRODUCT NAME STRUCTURE

SGM2019 - X X X G / TR

Operating Temperature Range

Output Voltages

Package Type

Green Product

Tape and Reel

C5

SC70-5

N5

SOT-23-5

Y

-40

℃ to +85℃

1.2

1.2V

1.5

1.5V

1.8

1.8V

2.5

2.5V

2.6

2.6V

2.8

2.8V

2.85

2.85V

3.0

3.0V

3.3

3.3V

ADJ

Adjustable

REV. C

SG Micro Corp

www.sg-micro.com

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