GENERAL DEscriptION

The SGM2031 is a low power and low dropout voltage RF linear regulator. It is capable of supplying 250mA output current with typical dropout voltage of only 230mV. The operating input voltage range is from 2.5V to 5.5V. The fixed output voltage range is from 1.2V to 3.3V.

Other features include logic-controlled shutdown mode, output current limit and thermal shutdown protection.

The SGM2031 is available in a Green UTDFN-1×1-4L package. It operates over an operating temperature range of -40℃ to +85℃.

FEATURES

• Operating Input Voltage Range: 2.5V to 5.5V

• Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 2.6V, 2.8V, 2.85V, 3.0V and 3.3V

• Output Voltage Accuracy: ±3% at +25℃

• Low Output Noise: 140μVRMS (TYP)

• Low Dropout Voltage: 230mV (TYP) at 250mA

• High PSRR: 72dB (TYP) at 1kHz

• Low No Load Supply Current: 95μA (TYP)

• Thermal Shutdown Protection

• Output Current Limit

• Shutdown Current: 0.01μA (TYP)

• -40℃ to +85℃ Operating Temperature Range

• Available in a Green UTDFN-1×1-4L Package

APPLICATIONS

Modems

MP3 Players

Cellular Telephones

PCMCIA Cards

Palmtop Computers

Portable Electronics