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SGM2028
500mA, Low Dropout, Low Power, RF Linear Regulator
500mA, Low Dropout, Low Power, RF Linear Regulator
GENERAL DESCRIPTION

The SGM2028 is a low power and low dropout voltage linear regulator. It is capable of supplying 500mA output current with typical dropout voltage of only 270mV. The operating input voltage range is from 2.5V to 5.5V. The fixed output voltages are 1.8V, 2.8V, 3.0V and 3.3V.

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

The SGM2028 is available in a Green SOT-23-5 package. It operates over an operating temperature range of -40 to +85.

PIN CONFIGURATIONS

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FEATURES
  • Operating Input Voltage Range: 2.5V to 5.5V

  • Fixed Outputs of 1.8V, 2.8V, 3.0V, 3.3V

  • Adjustable Output from 1.2V to 5.0V

  • 500mA Output Current

  • High PSRR: 73dB (TYP) at 1kHz

  • Low Dropout Voltage: 270mV (TYP) at 500mA

  • Low Output Noise: 30μVRMS (TYP)

  • Current Limiting and Thermal Protection

  • SGM2028-1.8, SGM2028-2.8, SGM2028-3.0 and SGM2028-ADJ: 110kΩ Pull Down Resistor at EN Pin

  • SGM2028-3.3: No Pull Down Resistor at EN Pin

  • -40 to +85 Operating Temperature Range

  • Available in a Green SOT-23-5 Package

APPLICATIONS

Modems

MP3 Players

Cellular Telephones

PCMCIA Cards

Palmtop Computers

Portable Electronics

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM2028-1.8YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-2.8YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-3.0YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-3.3YN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2028-ADJYN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
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